SUR-RON Light Bee QL3000DY User manual

The actual product appearance and function may not be consistent with the contents of the
manual due to technical upgrades and firmware updates. Please refer to the actual product to
get the latest features and safety guidelines. You may also visit the company's official website
to review the latest electronic brochures.
Please read the manual carefully before using this product. Do not use this product until
you understand the features of this bike. Please keep this manual properly.
Off-road electric motorcycle is used in restricted area ONLY.
Light Bee Off-road
Motorcycle Owner’s Manual
Light Bee Off-road
Motorcycle Owner’s Manual
Surron official website:
www.sur-ron.com
Scan the QR
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Owner’s Manual
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Scan the QR
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Owner’s Manual
and other
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materials.

·
Do not ride bike into the water, otherwise it will damage
the battery and motor, and even cause personal injury.
·
When riding, please wear a safety helmet and obey the
local traffic law and regulations.
·
Do not ride when the battery compartment cap is not
fully secure.
·
Please take out the battery before washing the bike. Do
not apply the high-pressure washer direct on the battery or
other electrical parts.
WARNING

Welcome..............................................................1
VIN Number .........................................................1
Label Position.......................................................2
Safety Instructions ................................................3
Requirements For Riding Conditions........................................... 4
Pre-riding Inspection................................................................. 5
Riding Instructions .................................................................... 5
Usage Instructions..................................................................... 6
Function Diagram .................................................7
Installation Instructions.........................................9
Install Handlebars..................................................................... 9
Install Headlight........................................................................ 9
Install Front Brake and Throttle..................................................10
Install Throttle Cables................................................................11
Install Front Wheel ....................................................................12
Install Number Plate..................................................................14
Install Front Fender...................................................................14
How to Ride..........................................................15
Braking ..................................................................................... 15
Install Battery ...........................................................................16
Parking .....................................................................................17
Well Prepared Before Riding..................................18
Check Tires................................................................................18
Check Instrument, Horn, and Brakes...........................................18
Check Handlebars .....................................................................18
Adjust Shock Absorbers............................................................. ..18
General Operation .................................................18
How to Charge .................................................................... 20
Charging..................................................................................... 20
Portable Charger......................................................................... 20
Precautions for Charging ............................................................. 21
Specifications ........................................................ 22
Other Statements................................................... 23
Circuit Diagram ........................................................................... 24
Troubleshooting.................................................. 25
Maintenance Guidance .......................................... 26
Check Parts ................................................................................. 26
Check Operational Unit................................................................ 26
Check the Battery........................................................................ 28
Charging and Charger Usage....................................................... 28
Motor and Controller Usage and Maintenance.............................. 29
Replace Fuse............................................................................... 29
CONDITION OF WARRANTY..................................... 30
Table of Contents
Table of Contents

Welcome Label Position
01
Thank you for choosing the Surron Light Bee electric off-road motorcycle. This product
conforms with quality standard of Chongqing Qiulong Technology Co.,Ltd.
For your safety, please read this manual carefully before riding the bike. Please keep this
manual properly. Do not ride until you fully understand this bike. Do not use the bike until you
are familiar with its performance, operation, and maintenance. All pictures in this manual are
for reference only. This manual contains the word WARNING to indicate something that could
hurt you or others. It also contains the word CAUTION to indicate things that could damage
your bike.
02
The pictures in this manual are for reference only. Please refer to the actual
appearance and functions of the bike.
Riding Warning Label
High Voltage Warning
Battery Warning Label
Controller Label Location
Designed by SUR-RON in China
MODEL:XXXXXXXXXXX
PN:xxxxx-xxxx-xxxx
SN:XXXXXXXXXXX
H/W:XXXXXXXXXXX
S/W:XXXXXXXXXXX
Frame Plate Location
VIN Label
XXXXXXXXXXXXXXX
Bike Vehicle Identification Number (VIN) Label

03 04
Safety Instructions
Requirements For Riders: (the following persons shall not ride the product)
Ⅰ.Persons under the age of 18.
Ⅱ.Pregnant women or persons unable to engage in vigorous physical activity due to illness.
Ⅲ.Persons under the influence of alcohol or drugs.
Ⅳ.Persons whose weight exceeds prescribed limits (see P26 "Model Parameters").
Pre-riding Inspection
●Check if tires have no cracks, no abnormal abrasion, no nails, stones, glass and other
foreign bodies embedded in.
●Tire pressure of 32.6 psi (225 kPa) is required for normal riding.
●Check if axle screws are tightened.
●Check if the handlebars and the front and rear wheels are fixed: to ensure that the handle-
bars are fixed, the front and rear wheels are stable without shaking, and can work normally.
●Check if the reflector is broken or contaminated.
●Check the status of power circuit and lighting circuit to ensure operate normally
●Check if the front and rear brake system can work normally.
●Make sure the battery capacity meets the riding requirements.
●Check the torque of spokes: tighten it immediately if loose (1.5N·m-2.5N·m)
●Check if the throttle is smooth without stuck and if it can return to idle position normally.
●Check the chain condition: the chain has its floating space under normal conditions. If it
gets stuck, please clean and lubricate the chain.
●Check the belt condition: Belt silencer can be used to eliminate the abnormal sound. Please
clean the belt if there are any obstacles.
●Check if the inner tube of the front fork is clean.
●Check the back shock absorption inner tube is clean.
●Check if the front and rear brakes can brake normally and ensure there is no damage to the
brake cable.
Riding Instructions:
●When riding, do not use mobile phone, camera, earphones, earplugs, etc, to avoid distrac-
tion.
supposed to ensure your safety. Do not wear slippers or high heels when riding.
●This product contains many electrical parts, so please do not leave it in the rain for too
long.
●Precautions for bike washing: please remove the battery before washing. It is prohibited to
use high-pressure washer to directly wash the battery or other electrical parts.
●Do not immerse the battery in water. (With damaged appearance, the waterproof perfor-
mance of the battery will be damaged.) The wading depth cannot exceed the center of the
wheel, otherwise it may damage the battery and cause severe injury. It is forbidden to
charge the battery under the circumstances above, otherwise it will cause fire, burning or
even explosion.
●Modifications to the Light Bee may render the vehicle unsafe and may cause severe
personal injury. For your safety, please do not modify this product without the manufactur-
er's permission.Surron will not take liability for non-approved modifications. If your parts on
the bike need to be replaced, please contact your local authorized dealer.
●If alarm or warning code is triggered, please stop using the bike immediately and contact
your local authorized dealer for professional guidance or maintenance service.
Requirements For Riding Conditions:
●Do not ride in extreme weather or if the rider is not in good health condition. When riding
in the rain or in the snow, braking distance will be extended, so please avoid riding in heavy
rain and other extreme weather conditions.
●Ride slowly and be careful under the complicated road conditions. When riding this bike at
high speed over obstacles including uneven, wet, loose ground, steep slope or sharp bend,
you may lose control of riding resulting in collision, fall or injury.
●Please avoid riding in heavy rain or ponding area. When the depth of the water on the road
exceeds the wheel center, it may affect the function of the motor and the brake. This bike may
be used in the rain and snow, but not for long time deep wading. The recommended wading
depth is within 20cm.
●The working temperature of this product is -10~45℃ (-50°F~113°F) and storage tempera-
ture is -10~50℃ (-50°F~122°F). The recommended storage temperature is 10℃ to 30℃
(50°F~86°F). Please store or ride under the temperature within the range above.
●According to the local laws and regulations, it is prohibited to ride in public road and bike
lanes.
●This is a performance motorcycle and should be treated with extreme caution. You are
obligated to know the laws in your area and to comply with related laws and traffic rules.
● User under 18 years old is not allowed to use this product.
●Before using this product, you must have motorcycle riding license and are recommended
to have the necessary proper motorcycle riding skills after professional training.
●Read all additional warnings and product instructions in this Owner’s Manual, as well as
safety labels, before operating your electric motorcycle. Please find an open and safe place
to practice in order to fully understand the bike and get the basic riding skills of the bike and
know its structure, which is the premise of safe riding.
●Never permit a guest to ride your electric motorcycle without proper instruction. Do not
lend this bike to people who are unfamiliar with it, so as to avoid injury. Please make sure
that the rider (you or others) has read the instructions and watched the instructional video
before riding alone. Persons unwilling or unable to take responsibility for their actions
should not use this motorcycle. You assume all responsibility while operating your bike.
●Proper safety gear, including a regionally approved helmet, goggles, riding boots,
gloves, and protections should be worn while riding to reduce the risk of potential injury.
●Do not park inside the building, evacuation staircases, walkways and emergency exits.
●Follow the local fire hazard regulations and laws. Do not charge or park in residential
buildings. Charging should be kept away from combustibles and never over charging.
●This product is ridden by one person only, please do not take any passenger or carrying
other items.
●When riding, please wear loose, cuff-tightened clothes in bright colors which are
●Read all additional warnings and product instructions in this Owner’s Manual as well as
safety labels before operating your electric motorcycle. Please find an open and safe place to
practice in order to fully understand the bike and get the basic riding skills and be familiar
with its structure, which is the premise of safe riding. Proper safety gear, including a region-
ally approved helmet, goggles, riding boots, gloves, and protections should be worn while
riding to reduce the risk of potential injury. According to the local laws and regulations, it is
prohibited to ride in public road and bike lanes.
●During normal riding, do not use sudden acceleration and hard brake in order to save
battery power, protect parts on the bike, improve range and bike’s service life.
●If any abnormality occurs while riding, please stop riding immediately. Do not use this
product until the cause of the abnormality is identified and repaired. Please contact your
local authorized dealer immediately.
Usage Instructions:
●Place the product on a flat road and do not forget to turn off the key switch. Otherwise, it
could cause the bike slip which would cause injury to you and others. Do not place the bike
on a slope or on soft ground to prevent the bike from falling over!
●Please be sure to use the manufacturer’s lithium-ion battery charger. The charger input
voltage is 110V. Store the product safely before charging. Do not charge the bike if the
charger and charging port are damaged. Do not charge or park in the non-parking area.
Make sure the bike stays away from combustibles when charging and disconnect the power
supply after fully charged.
●Do not charge the battery below 0℃ (32°F), otherwise the battery cells will be damaged.
Please charge the battery when the temperature is appropriate for charging .

05 06
Requirements For Riders: (the following persons shall not ride the product)
Ⅰ.Persons under the age of 18.
Ⅱ.Pregnant women or persons unable to engage in vigorous physical activity due to illness.
Ⅲ.Persons under the influence of alcohol or drugs.
Ⅳ.Persons whose weight exceeds prescribed limits (see P26 "Model Parameters").
Pre-riding Inspection
●Check if tires have no cracks, no abnormal abrasion, no nails, stones, glass and other
foreign bodies embedded in.
●Tire pressure of 32.6 psi (225 kPa) is required for normal riding.
●Check if axle screws are tightened.
●Check if the handlebars and the front and rear wheels are fixed: to ensure that the handle-
bars are fixed, the front and rear wheels are stable without shaking, and can work normally.
●Check if the reflector is broken or contaminated.
●Check the status of power circuit and lighting circuit to ensure operate normally
●Check if the front and rear brake system can work normally.
●Make sure the battery capacity meets the riding requirements.
●Check the torque of spokes: tighten it immediately if loose (1.5N·m-2.5N·m)
●Check if the throttle is smooth without stuck and if it can return to idle position normally.
●Check the chain condition: the chain has its floating space under normal conditions. If it
gets stuck, please clean and lubricate the chain.
●Check the belt condition: Belt silencer can be used to eliminate the abnormal sound. Please
clean the belt if there are any obstacles.
●Check if the inner tube of the front fork is clean.
●Check the back shock absorption inner tube is clean.
●Check if the front and rear brakes can brake normally and ensure there is no damage to the
brake cable.
Riding Instructions:
●When riding, do not use mobile phone, camera, earphones, earplugs, etc, to avoid distrac-
tion.
supposed to ensure your safety. Do not wear slippers or high heels when riding.
●This product contains many electrical parts, so please do not leave it in the rain for too
long.
●Precautions for bike washing: please remove the battery before washing. It is prohibited to
use high-pressure washer to directly wash the battery or other electrical parts.
●Do not immerse the battery in water. (With damaged appearance, the waterproof perfor-
mance of the battery will be damaged.) The wading depth cannot exceed the center of the
wheel, otherwise it may damage the battery and cause severe injury. It is forbidden to
charge the battery under the circumstances above, otherwise it will cause fire, burning or
even explosion.
●Modifications to the Light Bee may render the vehicle unsafe and may cause severe
personal injury. For your safety, please do not modify this product without the manufactur-
er's permission.Surron will not take liability for non-approved modifications. If your parts on
the bike need to be replaced, please contact your local authorized dealer.
●If alarm or warning code is triggered, please stop using the bike immediately and contact
your local authorized dealer for professional guidance or maintenance service.
Requirements For Riding Conditions:
●Do not ride in extreme weather or if the rider is not in good health condition. When riding
in the rain or in the snow, braking distance will be extended, so please avoid riding in heavy
rain and other extreme weather conditions.
●Ride slowly and be careful under the complicated road conditions. When riding this bike at
high speed over obstacles including uneven, wet, loose ground, steep slope or sharp bend,
you may lose control of riding resulting in collision, fall or injury.
●Please avoid riding in heavy rain or ponding area. When the depth of the water on the road
exceeds the wheel center, it may affect the function of the motor and the brake. This bike may
be used in the rain and snow, but not for long time deep wading. The recommended wading
depth is within 20cm.
●The working temperature of this product is -10~45℃ (-50°F~113°F) and storage tempera-
ture is -10~50℃ (-50°F~122°F). The recommended storage temperature is 10℃ to 30℃
(50°F~86°F). Please store or ride under the temperature within the range above.
●According to the local laws and regulations, it is prohibited to ride in public road and bike
lanes.
●This is a performance motorcycle and should be treated with extreme caution. You are
obligated to know the laws in your area and to comply with related laws and traffic rules.
● User under 18 years old is not allowed to use this product.
●Before using this product, you must have motorcycle riding license and are recommended
to have the necessary proper motorcycle riding skills after professional training.
●Read all additional warnings and product instructions in this Owner’s Manual, as well as
safety labels, before operating your electric motorcycle. Please find an open and safe place
to practice in order to fully understand the bike and get the basic riding skills of the bike and
know its structure, which is the premise of safe riding.
●Never permit a guest to ride your electric motorcycle without proper instruction. Do not
lend this bike to people who are unfamiliar with it, so as to avoid injury. Please make sure
that the rider (you or others) has read the instructions and watched the instructional video
before riding alone. Persons unwilling or unable to take responsibility for their actions
should not use this motorcycle. You assume all responsibility while operating your bike.
●Proper safety gear, including a regionally approved helmet, goggles, riding boots,
gloves, and protections should be worn while riding to reduce the risk of potential injury.
●Do not park inside the building, evacuation staircases, walkways and emergency exits.
●Follow the local fire hazard regulations and laws. Do not charge or park in residential
buildings. Charging should be kept away from combustibles and never over charging.
●This product is ridden by one person only, please do not take any passenger or carrying
other items.
●When riding, please wear loose, cuff-tightened clothes in bright colors which are
●Read all additional warnings and product instructions in this Owner’s Manual as well as
safety labels before operating your electric motorcycle. Please find an open and safe place to
practice in order to fully understand the bike and get the basic riding skills and be familiar
with its structure, which is the premise of safe riding. Proper safety gear, including a region-
ally approved helmet, goggles, riding boots, gloves, and protections should be worn while
riding to reduce the risk of potential injury. According to the local laws and regulations, it is
prohibited to ride in public road and bike lanes.
●During normal riding, do not use sudden acceleration and hard brake in order to save
battery power, protect parts on the bike, improve range and bike’s service life.
●If any abnormality occurs while riding, please stop riding immediately. Do not use this
product until the cause of the abnormality is identified and repaired. Please contact your
local authorized dealer immediately.
Usage Instructions:
●Place the product on a flat road and do not forget to turn off the key switch. Otherwise, it
could cause the bike slip which would cause injury to you and others. Do not place the bike
on a slope or on soft ground to prevent the bike from falling over!
●Please be sure to use the manufacturer’s lithium-ion battery charger. The charger input
voltage is 110V. Store the product safely before charging. Do not charge the bike if the
charger and charging port are damaged. Do not charge or park in the non-parking area.
Make sure the bike stays away from combustibles when charging and disconnect the power
supply after fully charged.
●Do not charge the battery below 0℃ (32°F), otherwise the battery cells will be damaged.
Please charge the battery when the temperature is appropriate for charging .

EP MODE
Limit the bike's power and maximum speed, suitable for beginners and situations requir-
ing long range
Note: If the temperature of the motor or controller is too high, or the battery power is too
low, the bike will automatically reduce the power to protect the bike.
Function Diagram
07 08
EP
SPORT
Front Number Plate
Horn Button
Speedometer Switch
Milage Display
Brand Logo
Speed Indicator
Connect to charge
the battery
There are side stand
sensors. Normally when
side stand is down, there
will be no power output.
Front Brake Lever
Throttle Control
Rear Brake Lever
Handlebar
USB Port
Battery C apacity Indicator Key Switch/Steering Lock
Seat
Combination Switch & Speedometer
Check the remaining energy Turn the key switch
clockwise to turn on the bike
Headlight
Charging port
Battery Compartment
Cap
Frame
Rear Mudguard
Charging port
Rear Wheel
Front Disk
Brake Caliper
Front fork
Controller
Side Stand
Front Fender
Rear Disk Brake
Caliper
Note: For the purpose of maintenance and service, each bike has its unique VIN
number and motor number, please keep these numbers properly. The VIN number is
place on the steering tube andthe motor serial number is engraved on the body of the
motor.
Rear Reflector
Shock Absorber
Battery Compartment Lock
Horn
Lithium-ion Battery Pack
Swingarm Motor
Skid Plate
Chain Guard
Rear Wheeler
Front Fender
Please identify the parts of the bike according to the labels in the picture and familiarize
yourself with the bike.
SPORT MODE
Full power output, suitable for trail and off-road riding.
Speedometer Switch:
● Momentarily press the switch will display between current speed and total mileage to
current maximum speed and current mileage.
● Long press to clear the maximum speed and mileage.
● Keep pressing the switch and turn on the key switch. After the bike turned ON, still
press the switch for another 4 seconds, and then the speedometer display will switch
from kilometer per hour to miles per hour.

Install Handlebars
3.Install handlebars, fix the stem cap,
adjust the angle and position of handle-
bars according to personal riding habits.
1.Use a 4# inner hexagon wrench, loose
and remove the four screws and then take
off the stem cover.
2.Fix the front brake and throttle on the
handlebar.
4.Tighten the four screws with a torque of 6
to 8 Nm.
Installation Instructions
Install Headlight
1.As shown in the picture, after installing the throttle, roll it back 2mm.
09 10
2.Adjust the position and tighten the
screws on both sides.
1.Fix the headlight to the mounting bracket
of the connecting plate on the front fork.
Install Front Brake and Throttle
2.As shown in the figure above, the gap between the front brake cylinder and the throttle
grip is no less than 12mm. (It can be adjusted according to personal riding habits).
Not less than 12mm
3.When installing front brake, the distance between brake and throttle should not closer
than 12mm. (It can be adjusted according to personal riding habits.)
And to avoid interference between the front brake lever and the throttle case, the front
brake lever should be perpendicular to the flat side of the throttle case.(It can be adjust-
ed according to personal riding habits.)
90°
35°
2mm
②① Turn Back
If do not turn back 2mm, it will probably
cause sluggish when rotating the throttle
control

Note: use rubber tie to fix the rear
brake hose and combination switch
cable.
4.Use a 4#, 5# ihexwrenches respectively to tighten the throttle and the front brake;
tighten the throttle and then release it to ensure that it can naturally return to the
original position.
(If it gets stuck, check the position of the throttle position and its cable position.)
11 12
Install Throttle Cables
1.As shown in the picture, fix the cable tie of the throttle, the left combination switch and the
cables of the speedometer cable on the handlebars respectively, and cut the extra tie.
2.Organize the cables to make sure
there is no bending around the
tube.
Note: There is no need in tying up the
brake hose and brake signal line.
CAUTION: Do not tie the cable together when installing the headlight, front brake and
throttler.
1.Loose the 4 front axle lock bolts at the low-
er end of the front fork with a 4# hexwrench
2.Use an 8# hexwrench to remove the front
axle lock nuts on both sides. Tap it gently
with a rubber hammer to remove the front
axle.
Install Front Wheel
Note:After the cables fixed, rotate the handlebars to test and ensure that all wiring harness is
loose and not strained.

13 14
1.将 4 根 200mm 扎带依次按照图示装到
前号码牌上
2.Fix the number plate on the front fork.
* You can hide the wire harness behind the
number plate
1.Install four 200mm cable ties on the front
number plate, as shown in the picture.
1.Remove three bolts and T-shaped
gaskets as shown in the figure.
WARNING
Install Number Plate
Install Front Fender
Do not twist the throttle before sitting firmly to prevent accidents.
The side stand is only used to support the bike. Do not lift the side
stand before sitting on the bike.
4.Remove the brake caliper clamping block
and place the front wheels at the front wheel
mounting point on the front fork
*Please pay extra attention to the position of
brake disc and brake caliper
5.Install the front axle through the front fork
and then through the front wheel
*(It can be adjusted according to personal
riding habits.)
6.Secure the left and right lock nuts with an 8#
inner hexagon wrench
*Pre-tightened four screws in case of slipping.
7.Tighten the four bolts at the bottom of the
front fork with a 4# inner hexagon wrench
2.After removing, pre-install the T-shaped
gaskets on the three bolts respectively, and
pay attention to the direction of the
T-shaped gaskets as shown in the figure.
3.Install front fender. Tighten the screws with 5mm hexwrench with torque of 5 N.m.
3.Install the front wheel bushings on both sides gentaly, make sure the bushing is proper
installed and all the seal are well placed, the bushing can move freely.
* Do not damaged the seal ring
The Sealing Ring The Sealing Ring
After Installation
The sealing ring needs to be fully snapped into the mounting position
WARNING
For your safety, please wear full-cover off road protective helmets
and protective gears. Please take all safety precautions. Do not
lend the bike or allow persons who are unfamiliar with the bike and
uncapable to ride. It is dangerous to ride with one hand only or two
hands off the handlebars and ride after drinking.

15 16
加速
WARNING
Acceleration must be done smoothly and gently. Do not
operate violently in case causing damage to bike parts, or
even accidents. For the first time of your ride, you are
advised to use EP mode. SPORT mode can be used when you
are fully familiar with the bike.
How to Ride
1.Insert the key into the key
switch and turn on the
switch.
2.Check if each switch, in-
strument, horn, brake, elec-
tricity instrument function
well.
3.Before starting the motor:
fold up the side stand, sit
firmly and turn inward slow-
ly to control speed.
EP
SPORT
Speed up and reduce acceleration by controlling the throttle. Backward rotation means
acceleration; forward rotation means deceleration.
Stop Acceleration
Speed-up
Release the throttle and pull the brake lever to reduce the speed and stop the
bike.
Braking
WARNING
To avoid damages or dangers, do not disassemble the battery and
please make sure that the key switch is OFF
Install Battery
WARNING
Please control the grip strength of the brake lever according to the
actual situation and gradually increase the force. Do not excessive
braking in case the wheel is locked and cause serious damage.
Prejudge the road condition in advance carefully and avoid sudden
excessive braking, steering and other operations which may cause
the sliding and falling, especially in rainy days when the road is
slippery and extremely dangerous.
1.Open the battery box and take out the battery. Insert the key to the battery compartment
lock and rotate counterclockwise to unlock; Open the battery compartment cap and check
the air circuit switch to make sure it switches OFF.
2.Put the battery into the battery compartment cap.The charging port on the left side of the
bike, facing out.
3.Connect the main power plug and communication plug.
4.Turn ON the air circuit switch, close the battery compartment cap and remove the key.
Battery Lock Battery Cap
Communication
Plug
Output Plug
Air Switch

17 18
WARNING
It is normal to trigger tilt switch of the power system if bike tip-over
occur when riding (power output is cut off, and it can be recovered
after righting the bike again). For your safety, please ensure to turn
off the key switch before lifting the bike to avoid accidentally twist the
throttle and cause serious injury.
WARNING
Please make sure to turn off the key switch when parking, to avoid
accidentally twist the throttle and cause serious injury. Turn off the
key switch and remove the key before leaving the bike.
Be cautious and ride slow in complex road conditions.
It is prohibited to carry people or items on the bike.
Do not ride when you are tired or in extreme weather.
Do not ride in the water, otherwise it may damage the battery or even cause personal
injury.
Please hold the handlebars with both hands and do not ride overspeed.
Slow down before turning.
Do not use mobile phone, camera, earphone, earplug, etc during riding.
●When riding, sudden excessive braking of the right front brake lever may lead to roll over.
●When riding, sudden excessive braking of the left rear brake lever may lead to skid.
Pay attention to the road condition, slow down the bike while approaching the parking
spot. When the bike stops, turn off the key switch and remove the key. Flip down the side
stand to support the bike.
Parking
Well Prepared Before Riding
Please make sure that you have fully read all the details in p03
Chapter 1 Safety Tips and check the following items carefully.
Check Tires
Make sure both tires are in good conditions.
Normal tire pressure is 32.6 psi (225 kPa). Low tire pressure will lead to abnormal wear,
poor steering, lower speed, and shorten the range.
Extreme high tire pressure will lead to abnormal wear, poor riding experience, and even tire
explosion.
Check Instrument, Horn, and Brakes
Check if all functions of the instrument are displayed normally.
Check if the horn works properly.
Hold the left and right brake levers respectively to check if the front and rear brakes work
normally.
Check Handlebars
Handlebars need to be fixed tighten and turn freely.
Adjust Shock Absorbers
Please adjust the front and rear shock absorbers according to the actual situations.
The bike’s power is cut off (When the power is on but motor not running)
● Side stand switch (with the side stand is down, there will be no power output when
turning the throttle.)
●tilt switch (1-2 seconds after the bike falls over, tilt switch will cut the power output)
● Motor overheating
● Battery overheating
● Low Battery capacity
● Controller overheating
General Operation

2. When inspection is needed, it should be carried out in a safe place and pay close attention
to the surrounding environment.
3.If there is any abnormality during the inspection, please rectify the abnormality before
riding. If the problem is difficult for you to solve, please contact Surron or the local authorized
dealer.
CAUTION
1. The front and rear brakes are disc brakes. When the brake pads are worn severely, please
replace them as soon as possible.
2. Keep the disc brake system clean in daily basis use and avoid long-term adhesion of
sediment, especially oil pollution.
Check Operational Unit
1. Check if the suspension is bent, deformed, or damaged.
Check if the front fork is damaged, loose or oil leakage and other faults. Shake the handlebars
up and down to check whether there is any abnormal sound caused by the front fork fault. If
the front fork is malfunctioned, please contact Surron or the local authorized dealer.
2. Check Brakes
Check if the free space of the brake lever is within the specified range (15-30mm). Adjust If it
does not meet the requirements after measurement.
3.Check if the brakes function well. Please ride at low speed on dry flat road for inspection,
and use the front and rear brakes respectively to check their braking effective.
4. Check Tires
The tires will be damaged by glass, stones and other matter on the ground. Please pay
attention to the road condition when riding. Avoid riding in places where tires may be easily
damaged. In addition, you should often check if the tires have distinct cracks and other
damages.
1)Check the tire pressure with the tire pressure gauge when in the cooling condition.
2)Check if there are cracks, damages or abnormal wear.
3)Check if the spokes of the wheel are loose.
4)Check the tightness of the chain. Up and down 10-20mm.
5)Check the depth of tire grooves.
Check tire wear, groove depth. If wear reached 2/3 of the convex block, the tire should be
replaced. When there is abnormal sound or swing in the tire, please contact your local
authorized dealer for inspection and maintenance.
The pivot shaft nut locking torque should be 30 N·m, and the rear axle nut locking torque
should be 40 N·m, The front axle screw locking torque depend on the front fork.
CAUTION
1.The belt tension has been adjusted before delivery. Please do not adjust it without permis-
sion.
2.Hold the brake lever tightly. If the braking performance is still not good, check the
cleanness of the disc.
If the problem cannot be solved, please contact your local authorized dealer for inspection.
Check the Battery
1. Check the Power
The bike is powered by a sealed lithium-ion battery. The battery should be fully charged
before the inspection. Use a multimeter to test the positive and negative voltage of the
discharge port, the normal full voltage should be between 67-67.2V.
2. Check Battery Appearance
Check if the battery’s upper and lower sealing caps and the lcd screen are damaged. It will
cause water get into the power pack if the sealing is damaged. fai Contact the local
authorized dealer if the battery case or cap is damaged.
CAUTION
1. Before installing or removing the battery, please close the key switch and turn off the air
circuit switch, and close the sealant cap of charging port.
2. If the battery cannot be put into the battery compartment, please take out the battery and
check if the battery is stuck by other objects such as cable harness.
3. It is recommended that in winter the indoor temperature for battery storage should be
above 0℃ (32°F) and the battery remaining capacity should be checked regularly.
Charging and Charger Usage
1.When charging, you are required to use the OEM charger. Do not use third-party charger, it
might damage the battery and cause serious injury.
2. Check if the input voltage of the charger is same with the voltage of the power supply.
3.When the battery is fully charged, the charger will automatically stop charging. Avoid
19 20
In principle, the first inspection (also known as the first maintenance) can be done at
10-30km if ride normally.
Check Parts
1. The tightness of the spokes on the rear wheel
2. If there is a gap in the headset
3. Check the tightness of chain
4.Belt tightness inspection. (There may be some friction on the new belt, which can be waxed
on both sides of the belt.)
5. Suspension adjustment. Check if there is oil leakage, and if the compression and rebound
damping is in the correct position.(Note: During adjustment, do not turn the adjusting knob
to the extreme position.)
6.Check the tightness of all screws on the handlebars.
WARNING:During the whole maintenance process, the bike
cannot be powered on, which means you cannot do mainte-
nance with the bike is powered on.
Extra attention should be paid to your safety during the inspection.
1. Choose a wide, flat area to park your bike.
connecting the charger to the power supply for a long time.
4. Users are prohibited to disassemble the battery, disassemble battery without permission
may cause serious injury.
5. When the battery is under over-discharge protection, it needs to be re-activated. Please
refer to P25 < Troubleshooting > for activation method.
Motor and Controller Usage and Maintenance
1. Check tightness of the motor screws regularly.
2. Check the motor and controller insulation condition regularly.
3. Check the fuse condition regularly.
4. Do not wade in deep water, it might affect the motor operation.
CAUTION
When the temperature of the motor and the controller is too high or the battery capacity is too
low, the bike will automatically reduce the power to protect the powertrain.
Replace Fuse
If the speedometer, horn, and headlight do not work after the air circuit switch and key switch
are turned ON, the fuse may be melted. If the fuse needs to be replaced, please turn off the
air circuit switch first. The operation method is as follows:
1. Open the battery compartment cap, turn off the air circuit switch, take out the battery, the
fuse box can be seen in front of the air circuit switch, and open the fuse box. (the fuse box is
wrapped with black insulation tape)
2.Replace the broken fuse with the auxiliary one.Close the fuse box,install the battery,and
close the cover of the battery compartment.
Low Power Mode
① When the battery capacity is less than 15%, the controller will reduce the output to
protect the battery, and then the SPORT mode can no longer be used.
* The battery percentage display may be inaccurate because of the battery condition.
② When the battery capacity is less than 5%, a heavy load (such as sudden acceleration or
climb steep slope, etc.) will make the controller get into the low voltage protection, and
then the bike will stop running. If it doesn’tget charged in time, the battery may get into the
over-discharge protection mode at any time (the over-discharge protection can effectively
protect the cell, and needs to be reactivated by the charging).
③ Controller overheating (when the working temperature exceeds 85℃ (185°F), the bike
will reduce the power and get into the EP mode. If the overheating continues and exceeds
100℃ (212°F), it will cut off the output.)
④ Motor overheating (when the working temperature exceeds 130℃ (266°F), the bike will
reduce the power and get into the EP mode. If the overheating exceeds 150℃ (302°F), it will
cut off the output.)
Working Conditions
● When the temperature is below 0℃ (32°F), the battery capacity may correspond to 80%
of its normal capacity, and to ride in the SPORT mode is not recommended.
● When the temperature is higher than 40℃ (104°F), it is recommended not to ride at full
power for a long time.
Riding In The Water
Electrical parts of Light Bee off-road motorcycle are all designed to have basic waterproof-
ing ability. The wading depth is no more than 20cm, and it cannot be under water for a long
time, especially when the motor is in high temperature. When the bike is under water, its
internal air will contract, leading to damage while water absorption from the oil seal and
cable position into the interior. The followings are the IP level of each component:
How to Charge
WARNING
Do not charge the battery below 0°C (32°F), otherwise the battery will
be damaged. Wait until the temperature is appropriate to charge.
Battery recycling and utilization instructions: damaged or used
battery cannot be dismantled without permission and it should be
handed over to the manufacturer or designated after-sales service
centers for recycling or maintenance. Do not throw away the battery.
* When the bike is not used for more than a month, be sure to turn off
the air circuit switch or remove the power plug, and store the bike
when it is fully charged.
* Close the battery compartment cap on the charging port when not
charging.
● Battery, motor: IP65
● Controller: IP67
● Connector: IP55
Charging
Connect the charger to the charging port and connect the charger to the proper power supply.
Portable Charger
1.Make sure the key switch is OFF. Insert the key to the battery compartment lock, press the
battery compartment cap, turn the key counterclockwise, open the battery compartment cap,
and turn off the air circuit switch.
Note: The foam under the new battery compartment has a large adhesive force with the
battery, you may be unable to open the battery compartment with just the key. When it
happens you need to press the battery compartment cap before opening.

2. When inspection is needed, it should be carried out in a safe place and pay close attention
to the surrounding environment.
3.If there is any abnormality during the inspection, please rectify the abnormality before
riding. If the problem is difficult for you to solve, please contact Surron or the local authorized
dealer.
CAUTION
1. The front and rear brakes are disc brakes. When the brake pads are worn severely, please
replace them as soon as possible.
2. Keep the disc brake system clean in daily basis use and avoid long-term adhesion of
sediment, especially oil pollution.
Check Operational Unit
1. Check if the suspension is bent, deformed, or damaged.
Check if the front fork is damaged, loose or oil leakage and other faults. Shake the handlebars
up and down to check whether there is any abnormal sound caused by the front fork fault. If
the front fork is malfunctioned, please contact Surron or the local authorized dealer.
2. Check Brakes
Check if the free space of the brake lever is within the specified range (15-30mm). Adjust If it
does not meet the requirements after measurement.
3.Check if the brakes function well. Please ride at low speed on dry flat road for inspection,
and use the front and rear brakes respectively to check their braking effective.
4. Check Tires
The tires will be damaged by glass, stones and other matter on the ground. Please pay
attention to the road condition when riding. Avoid riding in places where tires may be easily
damaged. In addition, you should often check if the tires have distinct cracks and other
damages.
1)Check the tire pressure with the tire pressure gauge when in the cooling condition.
2)Check if there are cracks, damages or abnormal wear.
3)Check if the spokes of the wheel are loose.
4)Check the tightness of the chain. Up and down 10-20mm.
5)Check the depth of tire grooves.
Check tire wear, groove depth. If wear reached 2/3 of the convex block, the tire should be
replaced. When there is abnormal sound or swing in the tire, please contact your local
authorized dealer for inspection and maintenance.
The pivot shaft nut locking torque should be 30 N·m, and the rear axle nut locking torque
should be 40 N·m, The front axle screw locking torque depend on the front fork.
CAUTION
1.The belt tension has been adjusted before delivery. Please do not adjust it without permis-
sion.
2.Hold the brake lever tightly. If the braking performance is still not good, check the
cleanness of the disc.
If the problem cannot be solved, please contact your local authorized dealer for inspection.
Check the Battery
1. Check the Power
The bike is powered by a sealed lithium-ion battery. The battery should be fully charged
before the inspection. Use a multimeter to test the positive and negative voltage of the
discharge port, the normal full voltage should be between 67-67.2V.
2. Check Battery Appearance
Check if the battery’s upper and lower sealing caps and the lcd screen are damaged. It will
cause water get into the power pack if the sealing is damaged. fai Contact the local
authorized dealer if the battery case or cap is damaged.
CAUTION
1. Before installing or removing the battery, please close the key switch and turn off the air
circuit switch, and close the sealant cap of charging port.
2. If the battery cannot be put into the battery compartment, please take out the battery and
check if the battery is stuck by other objects such as cable harness.
3. It is recommended that in winter the indoor temperature for battery storage should be
above 0℃ (32°F) and the battery remaining capacity should be checked regularly.
Charging and Charger Usage
1.When charging, you are required to use the OEM charger. Do not use third-party charger, it
might damage the battery and cause serious injury.
2. Check if the input voltage of the charger is same with the voltage of the power supply.
3.When the battery is fully charged, the charger will automatically stop charging. Avoid
WARNING
Please make sure to use the manufacturer’s lithium-ion battery
charger. When replacing the charger, it should match the model of
our storage battery. Turn off the air circuit switch before installing or
removing the battery from the bike. Disconnect or connect the plug
while power cable connected may shorten the battery service life. It
is risky to connect the power cable while the air circuit switch is on,
it might cause spark and damaged the plug, it may even damage
the battery. The charger will be automatically turned off when the
battery is fully charged, however, please avoid leaving the charger
connected to the power supply for too long.
2.Pull up and remove the discharge plug
and communication plug from the battery
vertically.
3.Take out the battery pack and close the
battery compartment cap.
4.Connect the charger to the charging port first and then connect to the power
supply at the other side.
*The charger indicator blinking red indicates that the charger is being charging. When the
battery is fully charged, the green light is stay on. Remember to cut off power when fully
charged. Please turn on the air circuit switch after the battery is connected to the bike.
Precautions for Charging
●When charging, keep the battery in a safe place where children can't reach.
●Do not cover the charger when charging. This charger is for indoor use, please make sure
to use it in a dry, well-ventilated environment.
●When you smell something peculiar or find that the temperature of the charger or battery
pack is too high, or fully charged indicator never show up after a few hours, please stop
charging immediately and send your battery to the local authorized dealer for inspection
and maintenance.
Specifications
Power System
Mid-drive BLDC motor
FOC sine wave controller
Maximum Power
Range
Battery Type
Maximum Torque
Top speed
6000W
70km(at35-40km/h)
60V/34Ah _18650 lithium-ion removable
battery pack
250N.m
Seat Height
Dry/Curb weight
Maximum Load
Wheel Base
Rear Shock/Wheel Travel
Rated Power
45kg/56kg
75kg
200mm
85/210mm
75km/h
3000W
Wheel Base 1255mm
830mm
Brand
Dimension
Ground Clearance
Light Bee Off-road Electric motorcycle
1885mmX780mmX1050mm
270mm
Items QL3000DY
21 22
In principle, the first inspection (also known as the first maintenance) can be done at
10-30km if ride normally.
Check Parts
1. The tightness of the spokes on the rear wheel
2. If there is a gap in the headset
3. Check the tightness of chain
4.Belt tightness inspection. (There may be some friction on the new belt, which can be waxed
on both sides of the belt.)
5. Suspension adjustment. Check if there is oil leakage, and if the compression and rebound
damping is in the correct position.(Note: During adjustment, do not turn the adjusting knob
to the extreme position.)
6.Check the tightness of all screws on the handlebars.
WARNING:During the whole maintenance process, the bike
cannot be powered on, which means you cannot do mainte-
nance with the bike is powered on.
Extra attention should be paid to your safety during the inspection.
1. Choose a wide, flat area to park your bike.
connecting the charger to the power supply for a long time.
4. Users are prohibited to disassemble the battery, disassemble battery without permission
may cause serious injury.
5. When the battery is under over-discharge protection, it needs to be re-activated. Please
refer to P25 < Troubleshooting > for activation method.
Motor and Controller Usage and Maintenance
1. Check tightness of the motor screws regularly.
2. Check the motor and controller insulation condition regularly.
3. Check the fuse condition regularly.
4. Do not wade in deep water, it might affect the motor operation.
CAUTION
When the temperature of the motor and the controller is too high or the battery capacity is too
low, the bike will automatically reduce the power to protect the powertrain.
Replace Fuse
If the speedometer, horn, and headlight do not work after the air circuit switch and key switch
are turned ON, the fuse may be melted. If the fuse needs to be replaced, please turn off the
air circuit switch first. The operation method is as follows:
1. Open the battery compartment cap, turn off the air circuit switch, take out the battery, the
fuse box can be seen in front of the air circuit switch, and open the fuse box. (the fuse box is
wrapped with black insulation tape)
2.Replace the broken fuse with the auxiliary one.Close the fuse box,install the battery,and
close the cover of the battery compartment.
After using the battery for a while, if there is a space between the bottom of the battery and
the bottom battery compartment, you may pick up the auxiliary foam pad and stick at the
bottom of the battery compartment to keep the battery stable. (the auxiliary foam pad is in
the accessory tool box in the original bike package)

2. When inspection is needed, it should be carried out in a safe place and pay close attention
to the surrounding environment.
3.If there is any abnormality during the inspection, please rectify the abnormality before
riding. If the problem is difficult for you to solve, please contact Surron or the local authorized
dealer.
CAUTION
1. The front and rear brakes are disc brakes. When the brake pads are worn severely, please
replace them as soon as possible.
2. Keep the disc brake system clean in daily basis use and avoid long-term adhesion of
sediment, especially oil pollution.
Check Operational Unit
1. Check if the suspension is bent, deformed, or damaged.
Check if the front fork is damaged, loose or oil leakage and other faults. Shake the handlebars
up and down to check whether there is any abnormal sound caused by the front fork fault. If
the front fork is malfunctioned, please contact Surron or the local authorized dealer.
2. Check Brakes
Check if the free space of the brake lever is within the specified range (15-30mm). Adjust If it
does not meet the requirements after measurement.
3.Check if the brakes function well. Please ride at low speed on dry flat road for inspection,
and use the front and rear brakes respectively to check their braking effective.
4. Check Tires
The tires will be damaged by glass, stones and other matter on the ground. Please pay
attention to the road condition when riding. Avoid riding in places where tires may be easily
damaged. In addition, you should often check if the tires have distinct cracks and other
damages.
1)Check the tire pressure with the tire pressure gauge when in the cooling condition.
2)Check if there are cracks, damages or abnormal wear.
3)Check if the spokes of the wheel are loose.
4)Check the tightness of the chain. Up and down 10-20mm.
5)Check the depth of tire grooves.
Check tire wear, groove depth. If wear reached 2/3 of the convex block, the tire should be
replaced. When there is abnormal sound or swing in the tire, please contact your local
authorized dealer for inspection and maintenance.
The pivot shaft nut locking torque should be 30 N·m, and the rear axle nut locking torque
should be 40 N·m, The front axle screw locking torque depend on the front fork.
CAUTION
1.The belt tension has been adjusted before delivery. Please do not adjust it without permis-
sion.
2.Hold the brake lever tightly. If the braking performance is still not good, check the
cleanness of the disc.
If the problem cannot be solved, please contact your local authorized dealer for inspection.
Check the Battery
1. Check the Power
The bike is powered by a sealed lithium-ion battery. The battery should be fully charged
before the inspection. Use a multimeter to test the positive and negative voltage of the
discharge port, the normal full voltage should be between 67-67.2V.
2. Check Battery Appearance
Check if the battery’s upper and lower sealing caps and the lcd screen are damaged. It will
cause water get into the power pack if the sealing is damaged. fai Contact the local
authorized dealer if the battery case or cap is damaged.
CAUTION
1. Before installing or removing the battery, please close the key switch and turn off the air
circuit switch, and close the sealant cap of charging port.
2. If the battery cannot be put into the battery compartment, please take out the battery and
check if the battery is stuck by other objects such as cable harness.
3. It is recommended that in winter the indoor temperature for battery storage should be
above 0℃ (32°F) and the battery remaining capacity should be checked regularly.
Charging and Charger Usage
1.When charging, you are required to use the OEM charger. Do not use third-party charger, it
might damage the battery and cause serious injury.
2. Check if the input voltage of the charger is same with the voltage of the power supply.
3.When the battery is fully charged, the charger will automatically stop charging. Avoid
Waterproof Rate
Bike System Type
Tire
IP65
Aluminum Alloy
Front Wheel:70/100-19
Rear Wheel:70/100-19
Charging Time 4h
Riding Mode
Assistance Functions
USB Charger
SPORTS + ECO mode
Regen(on SPORTS mode)
USB 5V2.4A
DC-60V(10A)
Front and Rear Brakes
Secondary Transmission System
Charger Type
Chain 420- 106links
230mm Hydraulic Disc Brake
Other Statements
The range varies greatly depending on the test environment. The range is
measured under conditions of 75kg rider, ambient temperature 28-35℃, and
constant speed 35-40km/h.
1.Chongqing Qiulong Technology Co.,Ltd., continuously improves the product quality and
performance. Therefore, this manual contains the most latest available product information
at the time of printing. Because of this, it is possible that your motorcycle may differ from the
information supplied in this Owner’s Manual. If there is any difference between the logo or
picture in the manual and the actual product, please refer to the actual product.
2.To the extent permitted by law, Chongqing Qiulong Technology Co.,Ltd., reserves rights to
interpret and explain this statement.
3.This Declaration shall be governed by the laws of the People's Republic of China (except the
laws of Hong Kong and Macao Special Administrative Regions and Taiwan Region of China).
Chongqing Qiulong Technology Co.,Ltd., is not liable for all claims, liabilities and losses
caused or likely to be resulted from consumers' violation of the terms above. Riders should be
responsible for unforeseeable or unavoidable risks while riding.
4.If you want to resell or give away your Surron Light Bee off-road motorcycle, please do not
forget to pass along this manual as it is part of the product. If you have any questions, please
contact Chongqing Qiulong Technology Co.,Ltd., Thank you again for your choice and trust in
us.
Circuit Diagram
Horn
Switch
Horn
USB 5V
2.4A
light
green
light
green
green
yellow
grren
blue
red
write
red
write
red
black
Brake Switch
+12V
Tilt Switch (-)
Sidestand
Switch (-)
Converter
red
black
Electric
Control Lock
red
Fuse 5A
red
Power Pack
Air Switch
MCU
green
yellow
pink
green
green
green
blue
green
Motor Controller
Mode
Selection Throttle
contro BLDC Motor
Dashboard
Assembly
black
black
black
Headlight
Taillight
Hall blue
Hall yellow
Hall green
Phase wire
yellow
Phase wire
green
Phase wire
blue
red
DZ47-125/100A
Charger
Charging Circuit Protection Diagram
Lithium-ion
Battery
220V
10A
+
_
~
23
24
In principle, the first inspection (also known as the first maintenance) can be done at
10-30km if ride normally.
Check Parts
1. The tightness of the spokes on the rear wheel
2. If there is a gap in the headset
3. Check the tightness of chain
4.Belt tightness inspection. (There may be some friction on the new belt, which can be waxed
on both sides of the belt.)
5. Suspension adjustment. Check if there is oil leakage, and if the compression and rebound
damping is in the correct position.(Note: During adjustment, do not turn the adjusting knob
to the extreme position.)
6.Check the tightness of all screws on the handlebars.
WARNING:During the whole maintenance process, the bike
cannot be powered on, which means you cannot do mainte-
nance with the bike is powered on.
Extra attention should be paid to your safety during the inspection.
1. Choose a wide, flat area to park your bike.
connecting the charger to the power supply for a long time.
4. Users are prohibited to disassemble the battery, disassemble battery without permission
may cause serious injury.
5. When the battery is under over-discharge protection, it needs to be re-activated. Please
refer to P25 < Troubleshooting > for activation method.
Motor and Controller Usage and Maintenance
1. Check tightness of the motor screws regularly.
2. Check the motor and controller insulation condition regularly.
3. Check the fuse condition regularly.
4. Do not wade in deep water, it might affect the motor operation.
CAUTION
When the temperature of the motor and the controller is too high or the battery capacity is too
low, the bike will automatically reduce the power to protect the powertrain.
Replace Fuse
If the speedometer, horn, and headlight do not work after the air circuit switch and key switch
are turned ON, the fuse may be melted. If the fuse needs to be replaced, please turn off the
air circuit switch first. The operation method is as follows:
1. Open the battery compartment cap, turn off the air circuit switch, take out the battery, the
fuse box can be seen in front of the air circuit switch, and open the fuse box. (the fuse box is
wrapped with black insulation tape)
2.Replace the broken fuse with the auxiliary one.Close the fuse box,install the battery,and
close the cover of the battery compartment.
Items QL3000DY
yellow
pink
green
write
green
black
green
green
green
green
green
black
black
black
black
black
black white
green
yellow
black
brown
black
write
green
write
red
write
black
brown

2. When inspection is needed, it should be carried out in a safe place and pay close attention
to the surrounding environment.
3.If there is any abnormality during the inspection, please rectify the abnormality before
riding. If the problem is difficult for you to solve, please contact Surron or the local authorized
dealer.
CAUTION
1. The front and rear brakes are disc brakes. When the brake pads are worn severely, please
replace them as soon as possible.
2. Keep the disc brake system clean in daily basis use and avoid long-term adhesion of
sediment, especially oil pollution.
Check Operational Unit
1. Check if the suspension is bent, deformed, or damaged.
Check if the front fork is damaged, loose or oil leakage and other faults. Shake the handlebars
up and down to check whether there is any abnormal sound caused by the front fork fault. If
the front fork is malfunctioned, please contact Surron or the local authorized dealer.
2. Check Brakes
Check if the free space of the brake lever is within the specified range (15-30mm). Adjust If it
does not meet the requirements after measurement.
3.Check if the brakes function well. Please ride at low speed on dry flat road for inspection,
and use the front and rear brakes respectively to check their braking effective.
4. Check Tires
The tires will be damaged by glass, stones and other matter on the ground. Please pay
attention to the road condition when riding. Avoid riding in places where tires may be easily
damaged. In addition, you should often check if the tires have distinct cracks and other
damages.
1)Check the tire pressure with the tire pressure gauge when in the cooling condition.
2)Check if there are cracks, damages or abnormal wear.
3)Check if the spokes of the wheel are loose.
4)Check the tightness of the chain. Up and down 10-20mm.
5)Check the depth of tire grooves.
Check tire wear, groove depth. If wear reached 2/3 of the convex block, the tire should be
replaced. When there is abnormal sound or swing in the tire, please contact your local
authorized dealer for inspection and maintenance.
The pivot shaft nut locking torque should be 30 N·m, and the rear axle nut locking torque
should be 40 N·m, The front axle screw locking torque depend on the front fork.
CAUTION
1.The belt tension has been adjusted before delivery. Please do not adjust it without permis-
sion.
2.Hold the brake lever tightly. If the braking performance is still not good, check the
cleanness of the disc.
If the problem cannot be solved, please contact your local authorized dealer for inspection.
Check the Battery
1. Check the Power
The bike is powered by a sealed lithium-ion battery. The battery should be fully charged
before the inspection. Use a multimeter to test the positive and negative voltage of the
discharge port, the normal full voltage should be between 67-67.2V.
2. Check Battery Appearance
Check if the battery’s upper and lower sealing caps and the lcd screen are damaged. It will
cause water get into the power pack if the sealing is damaged. fai Contact the local
authorized dealer if the battery case or cap is damaged.
CAUTION
1. Before installing or removing the battery, please close the key switch and turn off the air
circuit switch, and close the sealant cap of charging port.
2. If the battery cannot be put into the battery compartment, please take out the battery and
check if the battery is stuck by other objects such as cable harness.
3. It is recommended that in winter the indoor temperature for battery storage should be
above 0℃ (32°F) and the battery remaining capacity should be checked regularly.
Charging and Charger Usage
1.When charging, you are required to use the OEM charger. Do not use third-party charger, it
might damage the battery and cause serious injury.
2. Check if the input voltage of the charger is same with the voltage of the power supply.
3.When the battery is fully charged, the charger will automatically stop charging. Avoid
25 26
Troubleshooting
Item
1.The battery cable is loose
2.Throttle is loose or fall off
1.bike dash out protection
2.Temperature protection
3.power-off protection
4.The throttle is malfunctioned
Fault Cause Troubleshooting Methods
Power On
Motor not
working
Speed fail-
ure or low
maximum
speed
In principle, the first inspection (also known as the first maintenance) can be done at
10-30km if ride normally.
Check Parts
1. The tightness of the spokes on the rear wheel
2. If there is a gap in the headset
3. Check the tightness of chain
4.Belt tightness inspection. (There may be some friction on the new belt, which can be waxed
on both sides of the belt.)
5. Suspension adjustment. Check if there is oil leakage, and if the compression and rebound
damping is in the correct position.(Note: During adjustment, do not turn the adjusting knob
to the extreme position.)
6.Check the tightness of all screws on the handlebars.
WARNING:During the whole maintenance process, the bike
cannot be powered on, which means you cannot do mainte-
nance with the bike is powered on.
Extra attention should be paid to your safety during the inspection.
1. Choose a wide, flat area to park your bike.
Maintenance Guidance
connecting the charger to the power supply for a long time.
4. Users are prohibited to disassemble the battery, disassemble battery without permission
may cause serious injury.
5. When the battery is under over-discharge protection, it needs to be re-activated. Please
refer to P25 < Troubleshooting > for activation method.
Motor and Controller Usage and Maintenance
1. Check tightness of the motor screws regularly.
2. Check the motor and controller insulation condition regularly.
3. Check the fuse condition regularly.
4. Do not wade in deep water, it might affect the motor operation.
CAUTION
When the temperature of the motor and the controller is too high or the battery capacity is too
low, the bike will automatically reduce the power to protect the powertrain.
Replace Fuse
If the speedometer, horn, and headlight do not work after the air circuit switch and key switch
are turned ON, the fuse may be melted. If the fuse needs to be replaced, please turn off the
air circuit switch first. The operation method is as follows:
1. Open the battery compartment cap, turn off the air circuit switch, take out the battery, the
fuse box can be seen in front of the air circuit switch, and open the fuse box. (the fuse box is
wrapped with black insulation tape)
2.Replace the broken fuse with the auxiliary one.Close the fuse box,install the battery,and
close the cover of the battery compartment.
1. Check whether the cable is securely
connected
2. The plug connection is stable
3. Reconnect and secure the terminal
4. Check the brake lever and brake switch
1. Restart the bike
2. Wait for the bike temperature to return
to normal
3. Check whether the cables and plugs of
the brake, tilt switch, and side stand
switch are securely connected
4. Check whether the cable of the throttle
is properly connected to the plug
1. Low tires pressure
2.The charger is malfunctioned
Insufficient
range for
one charge
After con-
necting the
power sup-
ply, the
charger
did not
work nor-
mally, and
the battery
capacity
no display
1. The battery over discharge
protection occurs because the
battery has not been charged
for a long time or improperly
stored
1. Restart the bike
2. Wait for the bike temperature to return
to normal
3. Check whether the cables and plugs of
the brake, tilt switch, and side stand
switch are securely connected
4. Check whether the cable of the throttle
is properly connected to the plug
3.The motor cable is loose or
disconnected
3.Improper brake pads adjust-
ment
4. The battery is overuse or
damaged
5. More uphill, frequent accel-
eration and deceleration,
heavy load
4.Brake lever cannot return to
idle or malfunctioned
Charger not
working
1. Insert the plug or connector firmly to
open the battery compartment cap
2. Open the battery compartment cap
and connect the plug firmly
3. Activate the battery
1. Connect the plug to the charging port
on battery first and then connect to the
power supply, the indicator light of the
charger blinks alternately red and green
2. unplug and re-connect the connector
of the charger and the power supply
once; The indicator of the charger rapidly
blinks red for 20 seconds at a frequency
of 0.5S
3. After 20 seconds, the red indicator
light keeps on for 10 seconds. Within 10
seconds, unplug and re-connector
between the charger power supply once
4. The enforcement charging function of
the charger starts, and the charger
enters the normal charging process
Note: a. Do not remove or insert the AC
plug for 20 seconds in Step 2. Otherwise,
you need to start all over from Step 1. B.
unplug and re-connect to the power
supply process in Step 3 need to be done
within 10 seconds after the red light is
on. If not, restart from Step 1
2.The connector of the battery
power cable is loose
3. The battery over discharge
and need to be Reactivate
1.The connector of the charger
is loose or disconnected
Item Fault Cause Troubleshooting Methods
Abnormal
sound when
riding
1. Adjust the tightness of the secondary
chain
2. Adjust the tightness of the primary belt
3. dust in brake disc and brake pads,
need to be cleaned; The brake calipers
are loose or improperly installed
2.Belt tightness is inappropri-
ate
3. The braking system is not
properly installed
1.The tightness of the chain is
inappropriate
Other Fault
In case of the above situation, please
contact the local authorized dealer, do
not dissemble the above parts without
authorization, otherwise it might void
your warranty.
2.The motor, controller, char-
ger, and battery are damaged
1. When you encounter a fault
that cannot be solved or iden-
tified by yourself according to
the instructions above

2. When inspection is needed, it should be carried out in a safe place and pay close attention
to the surrounding environment.
3.If there is any abnormality during the inspection, please rectify the abnormality before
riding. If the problem is difficult for you to solve, please contact Surron or the local authorized
dealer.
CAUTION
1. The front and rear brakes are disc brakes. When the brake pads are worn severely, please
replace them as soon as possible.
2. Keep the disc brake system clean in daily basis use and avoid long-term adhesion of
sediment, especially oil pollution.
Check Operational Unit
1. Check if the suspension is bent, deformed, or damaged.
Check if the front fork is damaged, loose or oil leakage and other faults. Shake the handlebars
up and down to check whether there is any abnormal sound caused by the front fork fault. If
the front fork is malfunctioned, please contact Surron or the local authorized dealer.
2. Check Brakes
Check if the free space of the brake lever is within the specified range (15-30mm). Adjust If it
does not meet the requirements after measurement.
3.Check if the brakes function well. Please ride at low speed on dry flat road for inspection,
and use the front and rear brakes respectively to check their braking effective.
4. Check Tires
The tires will be damaged by glass, stones and other matter on the ground. Please pay
attention to the road condition when riding. Avoid riding in places where tires may be easily
damaged. In addition, you should often check if the tires have distinct cracks and other
damages.
1)Check the tire pressure with the tire pressure gauge when in the cooling condition.
2)Check if there are cracks, damages or abnormal wear.
3)Check if the spokes of the wheel are loose.
4)Check the tightness of the chain. Up and down 10-20mm.
5)Check the depth of tire grooves.
Check tire wear, groove depth. If wear reached 2/3 of the convex block, the tire should be
replaced. When there is abnormal sound or swing in the tire, please contact your local
authorized dealer for inspection and maintenance.
The pivot shaft nut locking torque should be 30 N·m, and the rear axle nut locking torque
should be 40 N·m, The front axle screw locking torque depend on the front fork.
CAUTION
1.The belt tension has been adjusted before delivery. Please do not adjust it without permis-
sion.
2.Hold the brake lever tightly. If the braking performance is still not good, check the
cleanness of the disc.
If the problem cannot be solved, please contact your local authorized dealer for inspection.
Check the Battery
1. Check the Power
The bike is powered by a sealed lithium-ion battery. The battery should be fully charged
before the inspection. Use a multimeter to test the positive and negative voltage of the
discharge port, the normal full voltage should be between 67-67.2V.
2. Check Battery Appearance
Check if the battery’s upper and lower sealing caps and the lcd screen are damaged. It will
cause water get into the power pack if the sealing is damaged. fai Contact the local
authorized dealer if the battery case or cap is damaged.
CAUTION
1. Before installing or removing the battery, please close the key switch and turn off the air
circuit switch, and close the sealant cap of charging port.
2. If the battery cannot be put into the battery compartment, please take out the battery and
check if the battery is stuck by other objects such as cable harness.
3. It is recommended that in winter the indoor temperature for battery storage should be
above 0℃ (32°F) and the battery remaining capacity should be checked regularly.
Charging and Charger Usage
1.When charging, you are required to use the OEM charger. Do not use third-party charger, it
might damage the battery and cause serious injury.
2. Check if the input voltage of the charger is same with the voltage of the power supply.
3.When the battery is fully charged, the charger will automatically stop charging. Avoid
27 28
In principle, the first inspection (also known as the first maintenance) can be done at
10-30km if ride normally.
Check Parts
1. The tightness of the spokes on the rear wheel
2. If there is a gap in the headset
3. Check the tightness of chain
4.Belt tightness inspection. (There may be some friction on the new belt, which can be waxed
on both sides of the belt.)
5. Suspension adjustment. Check if there is oil leakage, and if the compression and rebound
damping is in the correct position.(Note: During adjustment, do not turn the adjusting knob
to the extreme position.)
6.Check the tightness of all screws on the handlebars.
WARNING:During the whole maintenance process, the bike
cannot be powered on, which means you cannot do mainte-
nance with the bike is powered on.
Extra attention should be paid to your safety during the inspection.
1. Choose a wide, flat area to park your bike.
connecting the charger to the power supply for a long time.
4. Users are prohibited to disassemble the battery, disassemble battery without permission
may cause serious injury.
5. When the battery is under over-discharge protection, it needs to be re-activated. Please
refer to P25 < Troubleshooting > for activation method.
Motor and Controller Usage and Maintenance
1. Check tightness of the motor screws regularly.
2. Check the motor and controller insulation condition regularly.
3. Check the fuse condition regularly.
4. Do not wade in deep water, it might affect the motor operation.
CAUTION
When the temperature of the motor and the controller is too high or the battery capacity is too
low, the bike will automatically reduce the power to protect the powertrain.
Replace Fuse
If the speedometer, horn, and headlight do not work after the air circuit switch and key switch
are turned ON, the fuse may be melted. If the fuse needs to be replaced, please turn off the
air circuit switch first. The operation method is as follows:
1. Open the battery compartment cap, turn off the air circuit switch, take out the battery, the
fuse box can be seen in front of the air circuit switch, and open the fuse box. (the fuse box is
wrapped with black insulation tape)
2.Replace the broken fuse with the auxiliary one.Close the fuse box,install the battery,and
close the cover of the battery compartment.

2. When inspection is needed, it should be carried out in a safe place and pay close attention
to the surrounding environment.
3.If there is any abnormality during the inspection, please rectify the abnormality before
riding. If the problem is difficult for you to solve, please contact Surron or the local authorized
dealer.
CAUTION
1. The front and rear brakes are disc brakes. When the brake pads are worn severely, please
replace them as soon as possible.
2. Keep the disc brake system clean in daily basis use and avoid long-term adhesion of
sediment, especially oil pollution.
Check Operational Unit
1. Check if the suspension is bent, deformed, or damaged.
Check if the front fork is damaged, loose or oil leakage and other faults. Shake the handlebars
up and down to check whether there is any abnormal sound caused by the front fork fault. If
the front fork is malfunctioned, please contact Surron or the local authorized dealer.
2. Check Brakes
Check if the free space of the brake lever is within the specified range (15-30mm). Adjust If it
does not meet the requirements after measurement.
3.Check if the brakes function well. Please ride at low speed on dry flat road for inspection,
and use the front and rear brakes respectively to check their braking effective.
4. Check Tires
The tires will be damaged by glass, stones and other matter on the ground. Please pay
attention to the road condition when riding. Avoid riding in places where tires may be easily
damaged. In addition, you should often check if the tires have distinct cracks and other
damages.
1)Check the tire pressure with the tire pressure gauge when in the cooling condition.
2)Check if there are cracks, damages or abnormal wear.
3)Check if the spokes of the wheel are loose.
4)Check the tightness of the chain. Up and down 10-20mm.
5)Check the depth of tire grooves.
Check tire wear, groove depth. If wear reached 2/3 of the convex block, the tire should be
replaced. When there is abnormal sound or swing in the tire, please contact your local
authorized dealer for inspection and maintenance.
The pivot shaft nut locking torque should be 30 N·m, and the rear axle nut locking torque
should be 40 N·m, The front axle screw locking torque depend on the front fork.
CAUTION
1.The belt tension has been adjusted before delivery. Please do not adjust it without permis-
sion.
2.Hold the brake lever tightly. If the braking performance is still not good, check the
cleanness of the disc.
If the problem cannot be solved, please contact your local authorized dealer for inspection.
Check the Battery
1. Check the Power
The bike is powered by a sealed lithium-ion battery. The battery should be fully charged
before the inspection. Use a multimeter to test the positive and negative voltage of the
discharge port, the normal full voltage should be between 67-67.2V.
2. Check Battery Appearance
Check if the battery’s upper and lower sealing caps and the lcd screen are damaged. It will
cause water get into the power pack if the sealing is damaged. fai Contact the local
authorized dealer if the battery case or cap is damaged.
CAUTION
1. Before installing or removing the battery, please close the key switch and turn off the air
circuit switch, and close the sealant cap of charging port.
2. If the battery cannot be put into the battery compartment, please take out the battery and
check if the battery is stuck by other objects such as cable harness.
3. It is recommended that in winter the indoor temperature for battery storage should be
above 0℃ (32°F) and the battery remaining capacity should be checked regularly.
Charging and Charger Usage
1.When charging, you are required to use the OEM charger. Do not use third-party charger, it
might damage the battery and cause serious injury.
2. Check if the input voltage of the charger is same with the voltage of the power supply.
3.When the battery is fully charged, the charger will automatically stop charging. Avoid
29 30
In principle, the first inspection (also known as the first maintenance) can be done at
10-30km if ride normally.
Check Parts
1. The tightness of the spokes on the rear wheel
2. If there is a gap in the headset
3. Check the tightness of chain
4.Belt tightness inspection. (There may be some friction on the new belt, which can be waxed
on both sides of the belt.)
5. Suspension adjustment. Check if there is oil leakage, and if the compression and rebound
damping is in the correct position.(Note: During adjustment, do not turn the adjusting knob
to the extreme position.)
6.Check the tightness of all screws on the handlebars.
WARNING:During the whole maintenance process, the bike
cannot be powered on, which means you cannot do mainte-
nance with the bike is powered on.
Extra attention should be paid to your safety during the inspection.
1. Choose a wide, flat area to park your bike.
connecting the charger to the power supply for a long time.
4. Users are prohibited to disassemble the battery, disassemble battery without permission
may cause serious injury.
5. When the battery is under over-discharge protection, it needs to be re-activated. Please
refer to P25 < Troubleshooting > for activation method.
Motor and Controller Usage and Maintenance
1. Check tightness of the motor screws regularly.
2. Check the motor and controller insulation condition regularly.
3. Check the fuse condition regularly.
4. Do not wade in deep water, it might affect the motor operation.
CAUTION
When the temperature of the motor and the controller is too high or the battery capacity is too
low, the bike will automatically reduce the power to protect the powertrain.
Replace Fuse
If the speedometer, horn, and headlight do not work after the air circuit switch and key switch
are turned ON, the fuse may be melted. If the fuse needs to be replaced, please turn off the
air circuit switch first. The operation method is as follows:
1. Open the battery compartment cap, turn off the air circuit switch, take out the battery, the
fuse box can be seen in front of the air circuit switch, and open the fuse box. (the fuse box is
wrapped with black insulation tape)
2.Replace the broken fuse with the auxiliary one.Close the fuse box,install the battery,and
close the cover of the battery compartment.
WARNING
When the temperature of the motor and the controller is too high or
the battery capacity is too low, the bike will automatically reduce the
power to protect the powertrain.
Turn off the Air Circuit Breaker Find the fuse box Replace it with auxiliary fuse
CAUTION
1. The fuse should be firmly fixed on the fuse stand. If the fuse connecting part is
loose, it may cause the fuse to heat up rapidly and then cause other faults and
dangers.
2. Replace the fuse with the correct specification. If the fuse doesn’t match the
requirement, it may fail to protect the system.
3.If the fuse is melted again after replacement, you should check all the related
cables to see if there are still other short circuits.
4. Avoiding high press washer direct use on the fuse.
CONDITION OF WARRANTY
SURRON hereby warrants the new SURRON bike purchased from an authorized SURRON
dealer to be free from defect in materials and workmanship for the period of time stated
herein, subject to certain limitations stated herein. This warranty applies only if the bike has
been properly set-up and serviced for pre-delivery by an authorized SURRON dealer. The
warranty applies only if the motorcycle has been operated and maintained in accordance
with the owner’s manual or other SURRON literature delivered with the bike. This warranty is
void if the ONLINE OWNER’S REGISTRATION/ DEALER PRE-DELIVERY INSPECTION has not been
completed in full and entered into SURRON Distributor website within 7 days of purchase by
the original selling dealer.
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