MYATU 4143 User manual

User Manual
CAUTION READ THIS MANUAL BEFORE USING YOUR EQUIPMENT

CONTANTS
Safety Instruction .......................................................................................................... 1
General Information ...................................................................................................... 2
Meter operation ............................................................................................................. 4
Battery: Further Information and Maintenance .......................................................... 5
Charging......................................................................................................................... 6
Installation Instruction................................................................................................... 7
Warranty....................................................................................................................... 12
Attachment: technical parameters............................................................................. 13
Quality Assurance ....................................................................................................... 14

1
Safety Instruction
Thank you for purchasing the MYATU E-BIKE. The E-BIKE features the most recent
innovation in technology. For Safety reasons, it is most important that you read this
user’s manual before you operate the bike. Improper handling can reduce its riding
performance and most importantly, cause danger to your safe and healthy .For
handling and maintenance of the bicycle, please refer to the E-BIKE user’s manual
which is an integral part of this e-bike user’s manual !
IMPORTANT:
●Check the tires for proper inflation and cracks of the tires. Keeping the tires properly
inflated and maintained will help prevent flats and damage.
●Check all cables and cable housings for fraying, breaks, rust, or corrosion and
replace if necessary.
●Check the brakes to make sure that both are working properly. Additionally, check
the brake pads for any damage as they will be worn over time and eventually need
replacement.
●Check all nuts and bolts are taut and properly fastened to prevent injury and
unnecessary wear and tear on your e-bike.
●Do not at any time dismantle or assemble any of the above e-bike components!
●Comply with local laws and regulations when riding this product. Do not ride where
prohibited by local laws.
●To reduce risk of injury, you must read and follow all “CAUTION” and “WARNING”
notices in this document. Do not ride at an unsafe speed. Under no circumstance
should you ride on roads with motor vehicles.
●Anyone whose weight is outside the stated limits (see Specifications) is prohibited
from riding.
●Use only MYATU approved parts and accessories. Do not modify your E-bike.
Modifications to your E-bike could interfere with the operation of the E-bike, could
result in serious injury.
●E-bike cannot be used as off-road vehicles or extreme cycling sports.
●Don't change the default speed setting of the E-bike for your safety concern. Wear
a helmet and protective gear when riding.
This manual is intended as a general guide to your new ACNHEER e-bike and not a
comprehensive reference guide. For technical support, including service,
maintenance, and repair information, please contact us for more information about
our e-bike.

2
General Information
1. About the MYATU Electric Bike
MYATU electric bike is a leading icon of e-bikes. For years, MYATU has been not
only dedicating to innovation, cutting-edge technology and high-quality materials, but
also providing cost effective e-bikes, to satisfy riders' various needs of transportation
and even desire of exploring sports & outdoors life. Just ride freely with MYATU!
2. What’s In the Box (Parts List)
Description
Quantity
MYATU Electric Bike
1
Quick Release Skewer
1
User Manual
1
Key
2
Charging Adapter
1
Battery
1
Pedal
2
Reflector
1
Saddle
1
Saddle Tube
1
Kickstand
1
Stem
1
Front & Rear Fender
2
Tools Bag
1
Note:We will decide whether to include throttle accessories in your product
package in accordance with local laws and regulations.

3
General Information
3. Bike Components

4
Meter operation
1. Meter instruction
2. Meter Operation
3. Operation Cautions
Be careful of the safety use. Don’t attempt to release the connector when charging
the battery.
●Avoid the risk of collision.
●Don’t modify system parameters to avoid parameters disorder.
Operating instructions
To switch on/off
the E-Bike
system, hold the
“M” button for 2s.
The default value
is “low” pedal
assist level.
Press “+” to
crease into pedal
assist level
“Mid”.
Press “+”
again to move
into pedal
assist level
“High”. “High”
is the
maximum
power of PAS.
Full Electric
Function (Pure
electric mode):
Press“-”, until all
the three
“low”,“Mid”,
“High” indicators
are off.

5
Battery: Further Information and Maintenance
●How far full charge battery can go? That depends on the loading weight, road
condition and battery capacity. But in the same condition, average speeds can
continuous longer travel range.
●When storing the battery for a longer time, (during winter time) it is important to
place the fully charged battery in a dry place.
●Attention: The battery should be re-charged once every 2-3 month when it is not
used.
WARNING:
●Keep the battery out of reach for children.
●Never try to open the battery.
●Only use the MYATU supplied battery. Do not use a battery from any other different
product models.
●If the battery is damaged because it has been dropped somewhere or biking
accident, there may be a risk of electrolytes leakage. Beware of chemical burns!
And immediately stop using the damaged battery.
●Do not touch the battery without a cloth or gloves and make sure no acid touches
your eyes.
●Do not store the battery in temperatures above 95°F or below 23°F.
●Do not allow the battery to run down completely before charging. Charge the
battery before storing the product. If the battery is completely empty, it may cause
the battery to no longer charge.
●Charge a new battery for at least 4-6 hours before you use it in your product for the
first time. Never charge the battery too long per time. Overheating or
undercharging the battery may shorten battery life and decrease product run time.
IMPORTANT: BATTERY DISPOSAL
●Battery must be recycled or disposed of in an environmentally sound manner.
●Do not dispose of the battery in a fire. The battery may explode or leak.
●Do not dispose of a battery in your regular household trash.

6
Charging
●When charging the bicycle, just plug the charger into the bicycle battery. Note: The
plug hole is located in the left of the battery.
●You can charge the bike directly, or you can remove the battery for charging.
●The RED light indicates it is in charging and GREEN light indicates the battery is
fully charged. (Please put off plug from wall) Usually the charging time is 4-6 hours
depends on the battery capacity remain.
WARNING:
●Charging time over 10 hours is prohibited please kept it away from high
temperature environment and stores it in a cool place.
●Please make sure that the battery charger and charging plug are always kept dray
and never get wet.
●The charger should only be cleaned with a dry cloth. Never use a wet cloth, oil or
any other liquid.
●Do not connect positive and negative terminals.
●Stop the charging procedure immediately if you notice anything unusual.
●It is strictly forbidden to cut the battery charging and discharging lines.
●It is strictly forbidden to disassemble the battery box or modify the internal structure
and protection board of the lithium battery.
●Only use the MYATU supplied charger. Do not use a charger from any other
different product models.
●After using the battery, please charge it within 12 hours.

7
Installation Instruction
1. When open the bike's carton box, take out E-bike and use tools to cut off the
package strings.
2. Install Kickstand.
2.1 Unscrew the screw in the kickstand.
2.2 Install the kickstand.
2.3 Then tighten with tool.
3. Install Stem and Handlebar.
3.1 Insert the stem and tighten the screw.
3.2 Using the wrench from tool kit to
loosen the four screws and put the
stem into the bike in balance and
you can adjust the handlebar in a
property angel and position.
4. Install Front Wheel.
4.1 Take out the front fork protector from the front fork.
(Please note: Front fork protector is used to prevent the forks from being deformed
during transport. It belongs to the packing material. You can just throw away this
accessory!)

8
Installation Instruction
4.2 Take out the quick release from Wheel and unscrew the bolt from the quick release.
4.3 Ensure that the installation direction of the front wheels is correct. Make sure fork
hanger hold onto wheel axle, and make sure the disc put into middle of brake.
4.4 Insert quick-release axle into spring and tighten screw(Quick release nut to be at the
same end as the brake).