Bad Boy 550cc User manual

550/750cc
OWNER'S MANUAL

Bad Boy Bandit550/750ccUtility Vehicle
1-1
INTRODUCTION
Congratulations on your purchase of the 550/750cc utility vehicle.This Owner’s / Operator’s
manual will provide you information regarding safe operation, operational instructions,
maintenance and care. Fully understanding this manual and following all of the instructions
will provide the knowledge needed for safe and enjoyable UTV operation.
For questions regarding this UTV, please call [phone].
IMPORTANT SAFETY MESSAGES
●READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING YOUR UTV.
MAKE SURE YOU UNDERSTAND ALL INSTRUCTIONS.
●PAY CLOSE ATTENTION TO THE WARNING AND CAUTION LABELS ON THE UTV.
●NEVER OPERATE THE UTV WITHOUT PROPER TRAINING OR INSTRUCTION.
●THIS UTV SHOULD NOT BE RIDDEN BY ANYONE UNDER 16 YEARS OF AGE.
WARRANTY REGISTRATION
After purchase, please be sure to register the warranty for your unit by visiting the link below.
register.badboymowers.com

Introduction550/750ccUtility
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IMPORTANT MANUAL INFORMATION
FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS
INJURY OR DEATH. Particularly important information is distinguished in this manual by the
following notations:
The Safety Alert Symbol means ATTENTION!
YOUR SAFETY IS INVOLVED!
Failure to follow WARNING instructions could result in severe injury or death to
the machine operator, bystander or a person inspecting or repairing the
machine.
A CAUTION indicates special precautions that must be taken to avoid damage
to the machine.
NOTE: A NOTE provides key information to make procedures easier to understand.

1-3
Introduction550/750ccUtility
IMPORTANT NOTICE
This UTV is designed and manufactured for OFF - ROAD use only. It is illegal and unsafe to operate this
UTV on any public street, road or highway.
This UTV complies with all applicable OFF - ROAD noise level and spark arrestor laws and regulations in
effect at the time of manufacture.
Please check your local riding laws and regulations before operating this UTV.
When the temperature is below -4°F (-20°C), park the UTV in a place where the temperature is higher
than -4°F (-20°C). Start the UTV after the UTV has warmed up. Please see page 7-3 on the warming up
process.
Follow the proper parking procedures when the temperature is higher than 100°F (38°C).Turn off the
engine; make sure the radiator fan is on for 3minutes before turning off the power switch.
Starting the UTV for the first time will take longer because the fuel will need to reach the fuel injectors. To
start the UTV the first time, hold the ignition key on for 5-second intervals. Allow the starter to rest 15
seconds between each start attempt.

Introduction550/750ccUtility
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UNIVERSAL SYMBOLS
As a guide to the operation of your vehicle, various universal symbols have been utilized on the
instruments and controls. The symbols are shown below with an indication of their meaning.
Lift Cylinder-Retract
Lift Cylinder-Extend
Lift Cylinder-Float
Hazard Warning Lights
High Beam
Horn
EPS System Error
2WD/ 4WD
Safety Alert Symbol
Diesel Fuel
Engine Coolant-Temperature
Parking Brake
Battery ChargingCondition
Engine Oil-Pressure
Turn Signal/Hazard Differential
Lock
Position Lights

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Table of Contents
Subject Page
Introduction 1-1
Important manual information 1-2
Important notice 1-3
Universal symbols 1-4
Location of parts 1-7
Illustrated contents 1-11
Safe operation 2-1
Safety instructions 2-1
Operation 2-2
Children safety instructions 2-3
Driving on a slope 2-3
Driving in harsh conditions 2-3
Driving athigh speed 2-3
Instructions for cargo bed 2-4
Parking 2-4
Transportation 2-4
Maintenance 2-4
Warning and caution labels 3-1
Servicing of vehicle 4-1
Specifications table 5-1
Vehicle limitations 5-3
Pre-operation 6-1
Operating the engine 7-1
Starting the engine 7-1
Cold starting 7-2
Stopping the engine7-2
Warming up engine 7-2
Warming up Transmission 7-3
Operating the vehicle 8-1
Operating new vehicle 8-1
Do not operate the vehicle at full 8-1
speed for the first 50 hours
Changing lubricating oil for new vehicles 8-1
Subject Page
Starting 8-1
Seat belt 8-1
Head light switch 8-2
Emergency light switch 8-2
Turn signal light switch 8-2
Brake pedal 8-3
Range gear shift lever 8-4
4WD lever 8-5
Accelerator pedal 8-5
Stopping 8-5
Fuel gauge 8-6
Winch mount plate 9-1
Transporting vehicle 9-1
Service intervals 9-2
Periodic service 10-1
How to open the front hood and seat 10-1
Front hood cover 10-1
Operator’s seat 10-1
How to raise the cargo bed 10-1
Raising and lowering the cargo bed 10-1
Conventional strut adjustment 10-2
Reservoir strut adjustment 10-3
Jack-up point 10-4
Front end 10-5
Rear end 10-5
Daily check 10-5
Walk around inspection 10-5
Checking and Refueling 10-5
Checking coolant level 10-6
Cleaning radiator screen 10-7
Checking brake fluid level 10-7
Checking brake pedal 10-7
Checking parking brake 10-8
Checking gauges and indicator lights 10-8

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10-8
10-8
10-8
10-9
10-9
10-9
10-10
Checking head lights & turn signals
Checking seat belt and ROPS
Checking joint boot
Checking tire inflation pressure
Every 50 hours
Greasing
Checking engine start system
Checking wheel bolt torque 10-10
10-11
10-12
10-13
10-14
10-15
10-15
10-15
10-16
10-16
10-17
10-17
10-17
10-18
10-18
10-18
10-18
Cleaning air cleaner primary element
Checking battery condition
Adjusting toe-in
Cleaning muffler
Every 200 hours
Changing engine oil
Replacing engine oil filter
Replacing transmission oil
Checking brake pedal
Checking brake hose and pipe
Checking brake light switch
Checking radiator hose and clamp
Checking intake air tube
Every 300 hours
Checking tires
Every 400 hours
Changing transmission fluid 10-18
Changing front and rear axle case oil 10-19
Every 500 hours 10-19
Replacing fuel filter 10-19
Every 600 hours 10-19
Adjusting engine valve clearance 10-19
Every 1500 hours 10-19
Checking injection and fuel pump 10-19
Every 1 year 10-19
Every 2 years 10-19
Flushing Cooling system and 10-20
changing coolant
Anti-freeze 10-20
Replacing radiator hose (water pipes) 10-21
Replacing fuel hose 10-22
Replacing brake master cylinder (inner
parts)
10-22
Replacing front brake seal 10-22
Replacing rear brake cylinder seal 10-22
Replacing intake air line 10-22
Every 4 years 10-22
Replacing brake hose 10-22
Replacing slow-blow fuses 10-22
Storage 10-23
Vehicle storage 10-23
Removing the vehicle from storage 10-23
Troubleshooting 11-1
Engine troubleshooting 11-1
Diagnostic trouble code table 11-2
Battery troubleshooting 11-3
Machine troubleshooting 11-4
Options 12-1
Warranty 13

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LOCATION OF PARTS
Bench seat

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ILLUSTRATED CONTENTS
Bench seat

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Bench seat

Safe Operation
2-1
All operators, including experienced UTV drivers
or passengers, should carefully read and fully
understand this User's Manual, and operate
strictly as the manual states in order to achieve
the best performance and avoid accidents.
Others who will use your UTV should be trained
how to operate the UTV and be required to read
this manual before operation.
1. Safety Instructions:
1. Understand this UTV by reading this manual
and understanding all the components of the
vehicle. Only start and operate the vehicle
after finishing reading this manual.
2. Pay close attention to the warning and
caution labels on the UTV.
3. Understand completely and learn to use the
safety devices (cab frame structure, seat
belts), and never change original safety
devices. If safety devices are damaged,
consult your local dealer for replacement.
Always use seat belts.
Bench Seat
①Cab frame structure
②Seat belts
Bucket seat
①Cab frame structure
②Seat belts
4. Do not wear loose articles of clothing during
operation, as these can be drawn into
moving parts on the vehicle and could cause
a severe injury to occur.
You should always wear protective
equipment, such as helmet, boots, eye
protection, ear protection, and gloves etc.
5. Only a qualified driver should operate this
UTV. Never operate after drinking, using
drugs or controlled products, or while
fatigued.
6. Always perform the pre-operation checks as
following:
1) Check seat belt for wear or damage, if
necessary, replace it.
2) Check brakes, throttle, brake pedal and
other mechanical parts for proper operation.
If you discover any irregularities, replace
related parts as necessary. Periodically check
the fittings and fasteners.
3) Check engine oil level and engine coolant
level.
4) Check that the UTV is equipped to handle

Safe Operation
2-2
the surroundings.
5) Check and keep vehicle clean. Sludge,
grease and debris can cause a fire and
severe injury.
7. Passenger quantity and loading:
1) Only the driver and one passenger inside
cab. It is suggested that children under
age of 5 not be allowed as a passenger.
2) Do not exceed vehicles Total Load
Capacity rating of 880 lbs. (399 kg).
Reduce the loading weight according to
road conditions. Never exceed the weight
limits for operation.
8. Never allow unauthorized persons to repair
this UTV.This mayaffect vehicle
performance and cause injury.
9. This UTV is designed and manufactured for
off-road use only, so never drive on paved
roadways.
2. Operation
1. Start the engine only in an open ventilated
area. Carbon monoxide is colorless, odorless
and is emitted from the engine and can
cause death in areas with poor ventilation.
2. Never start the vehicle or operate the gear
selector unless seated in the driver’s seat.
3. Never start engine before placing the gear
shift lever in the “N” position.
4. The driver and passenger shall always wear
their seatbelt while the vehicle is being
operated.
5. Operators of the UTV should not wear
earphones.
6. Use trailer hitch to trail cargo.Otherwise,
serious injury or death will happen.
①Receiver Hitch
7. Do not accelerate quickly when starting the
engine, especially driving on roughterrain as
this can cause injury or death. Press the
accelerator pedal slowly.
8. Drive at slow speed before braking.
9. When the differential unlocked button is
pressed (DIFF.LOCK isoff), the front/rear
wheels can turn atdifferent speeds.
Otherwise, the vehicle may turn over.
10. Never drive over terrain such as a ditch, a
hole, dams, excessive mud, orthe vehicle
can get stuck because of the vehicle's
weight.
11. Always pay close attention to
your surroundings.Check for streets,
trail intersections or other obstacles.
12. Always use signals in advance of turns.
13. Do not allow entrance or exit of the vehicle
while it is moving.
14. Clean the dash board and keep the
floorboard free of debris that can obstruct
the ability to use the brake pedal.
15. Position your hands on the steering wheel.
Always keep your hands and feet inside
passenger area of the vehicle. Never try to
stand while operating the vehicle.
16. The buzzer will keep buzzing if the parking
brake is on when driving.

Safe Operation
2-3
17. Do not tow passengers or attempt to jump
the vehicle.
3. Children safety instructions
1. Always watch children when they are around
the vehicle. Children like to imitate adults
and this could lead to an accident.
2. Do not leave children alone around the
vehicle. Keep children from the operating
area of the vehicle.
3. Turn off the engine and remove the key
when children are in the operating area.
Never carry children in the cargo bed.
Children under the age of 5 are not allowed
in this vehicle.
4. Never allow children to climb on the vehicle
even if they are under adult supervision.
5. Always check for people or obstacles behind
the vehicle before shifting the vehicle into
reverse.
6. Park the vehicle on level ground. If parking
on a slope, use parking brake. This way the
vehicle will remain stationary after removing
the key and letting off the brakes.
3. Driving on a slope
Be cautious whenriding on aslope, as this could
result in loss ofcontrol or overturn, leading to
severe injury.
1. Drive up and down on a slope at a low
speed.
2. Reduce weight when riding on a slope
or rough terrain.
3. Avoid the sudden application of the brakes
when going uphill or downhill. Be more
careful when making turns on a slope.
4. If you start to lose momentum or need topark
when climbing, use the parking brake to
come to a stop. Release the brake and begin
to coast down the hill.
5. If you do not believe you can operate the
UTV safely inreverse,do notattempt to
ascend the slope any further.
6. Riding in mud, a ditch, or on slopes will
increase the risk of an overturn. Be more
cautious when operating. Drive gradually and
slowly whenclimbing. Avoid sudden changes
of vehicle speed or direction.
5. Driving in harsh conditions
1. Vehicle can be operated during the day or
under good light conditions.
2. Operate the vehicle on level ground as much
as possible.
3. Both operator and passengers should wear
helmet and protective equipment.
4. Driver should slow down according to road
conditions, terrain, or visibility conditions.
5. Be cautious when driving over aditch, stone
road or hidden obstacles.
6. Avoid operating in any unknown depth of
water.（Water depth should not exceed axle
height）
6. Driving at high speed
1. Check the condition of front/rear wheels.
Pay attention to the differences of
braking performances between two and
four-wheel drive.
2. Slow downwhenturning. Turning at high
speed may result in overturn or even death.
3. Turn on your headlights at high speeds.
4. Only drive at aspeed that can be controlled.

Safe Operation
2-4
5. Do not use DIFF.LOCK when driving at high
speed. This may cause vehicle loss of
control.
6. When driving at high speed, suddenly turning
the steering wheel will reduce vehicle
stability.Never sharply turn the steering
wheel at high speeds.
7. Instructions for cargo bed
1. Never carry a passenger in the cargo area.
2. Evenly distribute the cargo to maintain
proper stability.Avoid overloading the carrier.
Cargo should be securely attached.
3. Reduce loaded weight when driving on poor
road conditions or steep inclines.
4. Do not put your hands and yourbody
under the cargo bed when it is raised.
Once lowered, lock the cargo bed in place
before operating the vehicle. Never drive
before securing and locking the cargo bed.
8. Parking
1. Set the gear shift to the “N” position and
depress the brake pedal. To release the
parking brake, depress the brake pedal.
①Parking brake.
2. Avoid stopping the vehicle on a slope. If
stopping on a slope make sure the vehicle is
stationary before exiting.
9. Transporting vehicle
1. Avoid dragging the vehicle behind another
vehicle. Use a trailer or truck to transport the
vehicle.
2. When loading or unloading, pay attention to
your surroundings and others in the area.
10. Maintenance
Stop the vehicle and park it on level ground. Pull
the parking brake and remove all cargo. Then
place shift lever on “N” position, stop the engine
and remove the key.
1. When working next to the engine, exhaust or
radiator, work only after it has cooled down.
2. Wait for the engine to stop running and cool
down before checking the coolant level.
Otherwise, you could be burned by hot fluid
or steam blown out.
3. No smoking when adding electrolyte or
refueling. Fuel tank and battery should be
kept away from sparks. Battery produces
hydrogen and oxygen during charging and
this could accelerate the risk of explosion.
4. Read and follow the instructions before
replacing the battery.
5. During maintenance, first aid kits and fire
extinguishers should be placed at your
fingertips.
6. During maintenance, you should disconnect
the battery cables.

Safe Operation
2-5
①Battery
7. Do not open radiator cap before coolant has
cooled down. When the coolant is cold, open
slowly to ensure no pressure is on the
system, and then open cap. Check for the
coolant level in the coolant reservoir. If
necessary, add coolant.
8. Tires should be mounted on rims with special
equipment by professionals.
9. Keeping specified tire pressure can help to
ensure driving safety.
10. Elevate the vehicle and place a suitable
stand under the frame when removing the
wheels. Be sure to tighten the wheel nuts to
specified torque.

Warning Labels
3-1
Warning and caution labels
（1）（2）（3）
（4）（5）（6）
（7）
（8）（9）（10）

Warning Labels
3-2
（11）(12）
(13）(14)
(15)

Vehicle Identification Number
4-1
SERVICING OF VEHICLE
Your dealer is interested in your new vehicle
and has the desire to help you get the most
value from it. After reading this manual
thoroughly, you will find you can do some of
the regular maintenance yourself. However,
when in need of parts or major service, be
sure to see your dealer.
For service, contact the dealership where
you purchased your vehicle or your local
dealer.
When in need of parts, be prepared to give
your dealer both the vehicle and engine
serial numbers.
Locate the serial numbers now and record
them in the space provided.
Type Serial No.
Vehicle
Engine
Product Identification
Number
Date of Purchase
Name of Dealer
①Vehicle serial number (above passenger rear tire on
frame)
①Engine serial number

Specifications
5-1
SPECIFICATION TABLE
Engine
Make Specification
Type 1 cylinder, 4-cycle, gasoline, SOHC, liquid
cooled
Displacement cc 546CC for 550cc
735CC for 750cc
Horsepower Kw(HP) 20.2（27.1）for 550cc
28.8（38.6）for 750cc
Rated revolution rpm 5500 for 550cc
6000 for 750cc
Low idling revolution rpm 1350 to 1500
Fuel Capacity L(U.S.gal) 28（7.4）
Transmission CVT
Wheels, Drive system 4, Rear 2WD or 4WD
Differential lock Electric control: switch
Gear selection H-L range forward, Neutral, Reverse
Brakes Front/Rear Hydraulic disk brake
Parking brake Mechanical brake
Steering Electronic power
Dimensions
Length 2980 (117.32)
Wide mm (in.) 1550（61.02）
Height mm (in.) 1950（76.77）
Front tread centers mm (in.) 1300 (51.18)
Rear tread centers mm (in.) 1285 (50.59)
Wheelbase mm (in.) 1950（76.77）
Ground
Clearance front axle mm (in.) 310（12.2）
rear axle 310（12.2）
Turning diameter m (ft.)8.6（28.22）
Suspension Front Independent, Dual A-arm type
Rear Independent, Dual A-arm type
Max. rolling weight (Towing Capacity) kg (lbs.) 544（1200）
Payload capacity kg (lbs.) 159（350）
Weight kg (lbs.) 743（1638）for 550cc
720（1587）for 750cc
mm (in.)

Specifications
5-2
Make Specification
Cargo bed
Width mm (in.) 1170(46.06)
Length mm (in.) 900（35.43）
Depth mm (in.) 280（11）
Volume m3 (cu.ft.) 0.29（10.24）
Bed height
(unloaded) mm (in.) 810（31.89）
Cargo bed capacity
(1 row/2 row) kg (lbs.) 159（350）
Sound level, operator ear db (A) 86.5
Tire Front 26×9-14
Rear 26×11-14
Body color Orange, Camo
NOTE:
The values in “Ground clearance” and “Weight” are those of the machine equipped with the tires
in the table above.
The company reserves the right to change the specifications without notice.
TRAVELING SPEEDS
For 550cc
Range gear shift lever km/h (mph)
Low 61（37.9）
High 72（44.7）
Reverse 40（24.8）
For 750cc
Range gear shift lever km/h (mph)
Low 57（35.4）
High 80（49.7）
Reverse 40（24.8）