WARNING： Read this Manual, and any Supplements Carefully Before Operating Vehicle. OWNER’S/OPERATOR’S MANUAL US 18.
NOTE: A storage area/toolbox has been provided on the UTV for storage of this manual, and addendums. Please keep this manual and addendums in the glove compartment so that it can be found easily and referenced when needed. WARNING The engine exhaust from this product contains chemicals known, in certain quantities, to cause cancer, birth defects or other reproductive harm.
CONTENTS 1. INTRODUCTION ·····························1.1 2. UNDERSTANDING WARNING ·················2.1 3. SAFETY WARNING···························3.1 4. DAILY PRE-RIDE INSPECTION··············· 4.1 5. OPERATION WARNING······················5.1 6. V.I.N. AND ENGINE SERIAL NUMBER·······6.1 7. CONTROL AND FUNCTIONS··· ················7.1 8. STARTING THE ENGINE·····················8.1 9. VEHICLE BREAK-IN PERIOD·················9.1 10. RIDING GEAR······························10.1 11.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 1. INTRODUCTION Introduction Congratulations on the purchase of your Utility Vehicle (UTV). We take pride in offering you this product engineered and manufactured to the highest performance and quality standards. We are sure that you will enjoy superior levels of performance, reliability, riding comfort, and safety.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 1. INTRODUCTION Important Safety Notice ●This vehicle is designed and manufactured for off-road use. ●Check the laws and regulations in force before choosing where to operate this vehicle. It is illegal to operate this vehicle on public lands where vehicles its size are prohibited. ● Never make any modifications to the engine, drive system, mechanical or electrical systems of your UTV.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 1. INTRODUCTION A UTV CAN BE HAZARDOUS TO OPERATE. A UTV handles differently from other vehicles including motorcycles, ATVs and cars. A collision rollover can occur quickly, even during routine maneuvers such as turning and driving on hills or over obstacles, if you fail to take proper precautions. SERIOUS INJURY OR DEATH can result if you do not follow these instructions.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 1. INTRODUCTION maintenance procedures and schedules described in this manual. Always keep both hands, arms, feet, and legs inside the vehicle at all times during operation. Keep your feet on the floorboard. Never hold onto the enclosure except when using the handgrip inside the enclosure. Otherwise, your hand could be injured if it is caught between the enclosure and an obstacle outside the vehicle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 1. INTRODUCTION climbing a hill. To avoid stalling, maintain a steady speed when climbing a hill. If you stall or roll backwards, follow the special procedure for braking described in this manual. Always check for obstacles before operating in a new area. Never attempt to operate over large obstacles, such as large rocks or fallen trees. Always follow proper procedures when operating over obstacles as described in this manual.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 2. UNDERSTANDING WARNINGS ATTENTION: This is an ADULT VEHICLE ONLY! Not a toy! READ AND UNDERSTAND WARNINGS AND OWNER’S MANUAL BERORE OPERATION. KNOW YOUR VEHICLE BEFORE YOU BEGING RIDING! Read this manual thoroughly referring to the various areas which are being discussed on your machine. Operating this vehicle carries with it responsibilities for your personal safety, the safety of others, and the protection of our environment.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 2. UNDERSTANDING WARNINGS SAFETY ALERT WARNINGS identify special instructions or procedures which, if not correctly followed, could result in personal injury, or loss of life. Read all WARNINGS in this manual care fully. Follow their instructions to remain safe. The following precautionary signal words are used throughout this manual to convey the following messages: This is the safety alert symbol.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 3. SAFETY WARNING NOTE： Warning decals have been placed on the vehicle for your protection. Read and follow the instructions on each decal carefully. In the event any decal becomes illegible or comes off, contact your dealer for a replacement. Attention: There is a risk of fire from driving the vehicle on the ground where grass has dried up or parking the vehicle on such surface while the engine is hot.
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T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 4. DAILY PRE-RIDE INSPECTION WARNING You must inspect your UTV each time before riding to ensure it is in proper working order. If proper inspection is not done, severe injury or death could result. Use the following checklist to verify your machine is in proper working order each time you ride. ITEM/ INSPECTION PROCEDURE 1, Tire— check condition and pressures. 2, Fuel tank— checking for leaking, fill the fuel tank to its proper lever.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 4. DAILY PRE-RIDE INSPECTION released. Have an authorized dealer repair as necessary for proper operation. 5, Headlight / Taillight / Brake light— check operation of all indicator lights and switches. 6, Engine stop switch— check for proper function. 7, Wheels— check for tightness of wheel nuts and axle nuts; check those axle nuts are secured by cotter pins. Check balance/ damage/ runout. Have an authorized dealer repair/ replace if necessary.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Improper handling of gasoline. WHAT CAN HAPPEN Gasoline can catch fire and you could be burned. HOW TO AVOID THE HAZARD Always turn off the engine when refueling. Do not refuel right after the engine has been running and is still very hot. Do not spill gasoline on the engine or exhaust pipe/muffler when refueling.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD When transporting the vehicle in another vehicle, be sure it is kept in an upright position. Otherwise, fuel may leak out of the carburetor or fuel tank. WHAT CAN HAPPEN Gasoline is poisonous and can cause injuries. HOW TO AVOID THE HAZARD If you should swallow some gasoline or inhale a lot of gasoline vapor, or get some gasoline in your eyes, see your doctor immediately.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Malfunction of the accelerator pedal. WHAT CAN HAPPEN The accelerator pedal could be hard to operate, making it difficult to speed up or slow down when you need to. This could cause an accident. HOW TO AVOID THE HAZARD Check the operation of the accelerator pedal before you start the engine. If it does not work smoothly, check for the cause. Correct the problem before operating the vehicle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Try to stop the tipping vehicle with your arm or leg. WHAT CAN HAPPEN You could be severely injured. You could suffer a crushed hand, arm, leg, or foot, HOW TO AVOID THE HAZARD You must keep your arms and legs inside the vehicle until it has stopped moving. As with any off-road-capable vehicle, there is a risk of tip over or rollover under certain conditions.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Overloading the cargo bed WHAT CAN HAPPEN Could cause changes in vehicle handling which could lead to an accident. HOW TO AVOID THE HAZARD Never exceed the stated maximum load limit for this cargo bed. Cargo should be properly distributed and securely attached. Reduce speed when carrying cargo. Allow greater distance for braking.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Driving with improperly operating brakes. WHAT CAN HAPPEN You could lose braking ability, which could lead to an accident. HOW TO AVOID THE HAZARD Always check the brakes at the start of every ride. Do not operate the vehicle if you find any problem with the brakes. If a problem cannot be corrected by the adjustment procedures provided in this manual, have the vehicle inspected by an authorized dealer.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Operating vehicle without being familiar with all controls. WHAT CAN HAPPEN Loss of control, which could cause an accident or injury. HOW TO AVOID THE HAZARD Read the Owner’s Manual carefully. If there is a control or function you do not understand, ask our authorized dealer. WARNING POTENTIAL HAZARD Freezing control cables in cold weather.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Servicing an engine while it is running. WHAT CAN HAPPEN Moving parts can catch clothing or parts of the body, causing injury. Electrical components can cause shocks or can start fires. HOW TO AVOID THE HAZARD Turn off the engine when performing maintenance unless otherwise specified. Have an authorized dealer perform service if you are not familiar with vehicle service.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Using low flash point solvents or gasoline to clean the sponge material. WHAT CAN HAPPEN Low flash point solvents or gasoline can catch fire or explode. HOW TO AVOID THE HAZARD Use parts cleaning solvent to clean the sponge material. WARNING POTENTIAL HAZARD Improper cleaning of the spark arrester. Hot exhaust system WHAT CAN HAPPEN Could injure the eyes. Could cause burns.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Operating with improperly serviced or adjusted brakes. WHAT CAN HAPPEN You could lose braking ability, which could lead to an accident. HOW TO AVOID THE HAZARD After servicing: ● Make sure the brakes operate smoothly and that the brake pedal position is correct. ● Make sure the brakes do not drag. ● All air must be bled from the brake system. Replacement of brake components requires professional knowledge.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Failure to handle batteries or battery electrolyte carefully. WHAT CAN HAPPEN You could be poisoned. You could be severely burned by the sulfuric acid in battery electrolyte. Batteries produce explosive gases. HOW TO AVOID THE HAZARD Avoid contact with skin, eyes or clothing. Always shield eyes when working near batteries. Keep out of reach of children. Antidote: EXTERNAL: Flush with water.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD A headlight bulb is hot when it is on and immediately after it is turned off. WHAT CAN HAPPEN You can be burned, or a fire could start if the bulb touches something flammable. HOW TO AVOID THE HAZARD Wait for the bulb to cool before touching or removing it. WARNING POTENTIAL HAZARD Operation with wet brakes after washing.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Operating/ riding this UTV without wearing an approved helmet, eye protection and protective clothing. WHAT CAN HAPPEN Operating/ riding without an approved helmet increases your chances of a severe head injury or death in the event of an accident. Operating/ riding without eye protection can result in an accident and increases your chances of a severe injury in the event of an accident.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Operating this UTV at excessive speeds. WHAT CAN HAPPEN Increases your chances of losing control of the UTV, which can result in an accident. HOW TO AVOID THE HAZARD Always travel at a speed which is proper for the terrain, visibility and operating conditions; and your experience. WARNING POTENTIAL HAZARD Attempting wheelies, jumps and other stunts.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Removing hands from steering wheel or feet from footrests during operation. WHAT CAN HAPPEN Removing even one hand or foot can reduce your ability to control the UTV or could cause you to lose your balance and fall off the UTV. HOW TO AVOID THE HAZARD Always keep both hands on the steering wheel and both feet on the footrests of your UTV during operation.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Failure to use extra care when operating on excessively rough, slippery or loose terrain. WHAT CAN HAPPEN Could cause loss of traction or vehicle control, which could result in an accident, including an overturn. HOW TO AVOID THE HAZARD Do not operate on excessively rough, slippery or loose terrain until you have learned and practiced the skills necessary to control the UTV on such terrain.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Turning improperly. WHAT CAN HAPPEN UTV could go out of control, causing a collision or overturn. HOW TO AVOID THE HAZARD Always follow proper procedures for turning as described in the Owner’s Manual. Practice turning at low speeds before attempting to turn at faster speeds. Do not turn at excessive speed. WARNING POTENTIAL HAZARD Operating on excessively steep hills.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Going down a hill improperly. WHAT CAN HAPPEN Could cause loss of control or cause UTV to overturn. HOW TO AVOID THE HAZARD Always follow proper procedures for going down hills as described in the Owner’s Manual. NOTE: A special technique is required when braking as you go downhill. Always check the terrain carefully before you start down any hill. Never go down a hill at high speed.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Stalling, rolling backwards or improperly dismounting while climbing a hill. WHAT CAN HAPPEN Could result in UTV overturning. HOW TO AVOID THE HAZARD Maintain steady speed when climbing a hill. If you lose all forward speed: Keep weight uphill. Apply the brakes. Lock parking brake after you are stopped. If you begin rolling backwards: Keep weight uphill; never apply engine power. Apply the brake gradually.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Skidding or sliding, WHAT CAN HAPPEN You may lose control of the UTV. You may also regain traction unexpectedly, which may cause the UTV to overturn. HOW TO AVOID THE HAZARD On slippery surfaces, such as ice, go slowly and be very cautious in order to reduce the chance or skidding or sliding out of control. WARNING POTENTIAL HAZARD Operating this UTV through deep or fast flowing water.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Improperly operating in reverse, WHAT CAN HAPPEN You could hit an obstacle or person behind you, resulting in severe injury. HOW TO AVOID THE HAZARD When you select reverse gear, make sure there are no obstacles or people behind you. When it is safe to proceed, go slowly. WARNING POTENTIAL HAZARD Operating this UTV with improper tires, or with improper or uneven tire pressure.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING POTENTIAL HAZARD Operating this UTV with improper modifications. WHAT CAN HAPPEN Improper installation of accessories or modification of this vehicle may cause changes in handling which in some situations could lead to an accident. HOW TO AVOID THE HAZARD Never modify this UTV through improper installation or use of accessories.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 5. OPERATION WARNINGS WARNING After a rollover or an accident, have a qualified service dealer check the complete machine including, but not limited to, brakes, throttle and steering for possible damage. WARNING Safe operation of this rider active vehicle requires good judgment and physical skills.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 6. V.I.N. AND ENGINE SERIAL NUMBER Record these numbers from your UTV in the spaces provided.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 6. V.I.N. AND ENGINE SERIAL NUMBER 1. Frame VIN (Rear right of the frame tube) 2. Engine Serial Number (Left side of engine crankcase) The vehicle frame and engine serial numbers are important for model identification when registering your vehicle, obtaining insurance or whenever replacement parts are required. In the event your vehicle were stolen these numbers are essential to the recovery and identification of your UTV.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS ELECTRICAL SWITCHES Switch On Panel 1. Switch 2WD / 4WD and Front Diff Lock 2. Turn Signal Lamp Switch 3. Horn Switch（Optional） 4. Main Switch 5 .Hi/ Lo Beam Switch 6. Rear Diff Lock Switch 7. Emergency Switch（Optional） 8.Tractor Switch 9. Accessory Socket 10. USB Charger 1. Switch 2WD / 4WD and 4WD Front Diff Lock ● Two-wheel drive (2WD): Power is supplied to the rear wheels only.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS reverse. Do not switch on 4WD if the rear wheels are spinning. This may cause severe machine damage. When switch on 4WD, the button will stay in 4WD position but 4WD mechanics maybe still disengaged. Always apply throttle gently and let the wheels move slightly to allow the 4WD mechanics finally engage. The 4WD indicator on the speedometer will come on when 4WD engaged. 2. Turn Signal Lamp Switch 4.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS 9.Accessory Socket The accessory socket (1) is attached to the left side of the front cover. You can use the accessory socket to power a trouble light, spotlight, CB radio, or cell phone etc. Do not plug in any heat-generating accessory such as an automobile cigarette lighter because it damages the socket. To use the accessory socket, start the engine. Then turn the headlights OFF, and open the accessory socket cap (2).
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS LCD METER 1. Position Lamp Indicator 2. Fuel gauge Indicator 3. Speedometer 4. Dome Lamp Indicator 5. Coolant Temperature Meter 6. Front Differential Lock Indicator 7. 2WD/4WD Indicator 8. Gear Position Indicator 9. Hour / Distance Selector 10. The Odometer and Engine Working Hour Counter 11. EPS Indicator 12. MIL Indicator 13. Engine RPM Meter 14. Km/ Mile Selector 15. Safety Belt Lamp 16. Parking Brake Indicate Lamp 17.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS ACCELERATOR PEDAL WARNING Before starting the engine, check the accelerator pedal to be sure it is operating smoothly. Make sure the accelerator pedal fully returns to the idle position as soon as it is released. 1.Accelerator pedal Press the accelerator pedal down to increase engine speed. Spring pressure returns the pedal to the rest position when released.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS BRAKE PEDAL 1.Brake pedal Press the brake pedal to slow or stop the vehicle. WARNING Never operate the UTV with a spongy feeling brake pedal. Operating the UTV with a spongy brake pedal can result in loss of braking. Loss of braking could cause an accident. PARKING BRAKE LEVER The parking brake lever is located at the left side of the steering wheel. It will help hold the vehicle from moving while parked.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS AUTOMATIC TRANSMISSION GEAR SELECTOR OPERATION The transmission gear selector is located at the right side of the steering wheel. The transmission selector lever has four positions: reverse; neutral; high forward; and low forward NOTE: To extend belt life, use low forward gear in heavy pulling situations and in situations where you are operating below 7mph(11km/h) for extended periods of time.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS FUEL TANK CAP 1.Fuel tank cap Remove the fuel tank cap by turning it counterclockwise. SEATS 1.Drive seat 2.Passenger seat To remove a seat, lift the rear of the seat, and then slide the seat up and backward. To install a seat, push down on the seat at the front and insert the projections on the rear of the seat into the seat holders. WARNING POTENTIAL HAZARD A loose seat.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS SEAT BELTS 1.Seat belt (×2) 2.Latch plate (×2) 3.Buckle (×2) This vehicle is equipped with three-point seat belts for both the operator and passenger. Always wear the seat belt while riding in the vehicle. 1. Buckle 2. Latch plate 1. Buckle 2.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS To Wear The Seat Belt Properly, do the following: 1. Hold the latch plate as you pull the belt across your lap and chest. Make sure the belt is not twisted and is not caught on any portion of the vehicle, your clothing, or any equipment you are carrying. 2. Push the latch plate into the buckle until it clicks. Pull up on the latch plate to make sure it is secure. 3. Put the lap portion of the belt low on your hips.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS CARGO BED 1.Cargo bed 2.Tailgate 3.Cargo hook (×4) Opening And Closing The Tailgate 1.Tailgate 2. handle To open Pull the handle, and then lower the tailgate. To close Place the tailgate in the original position, and be sure that it is locked into place. Lifting And Lowering The Cargo Bed 1.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS To lower Lower the cargo bed slowly to its original position and be sure that it is locked into place. WARNING POTENTIAL HAZARD Pinch points. WHAT CAN HAPPEN You or someone else could be pinched between the cargo bed and the frame when the bed is being lowered. HOW TO AVOID THE HAZARD Before closing the bed, be sure others are standing away from the vehicle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS WARNING POTENTIAL HAZARD Carrying a passenger/ passengers in the cargo bed WHAT CAN HAPPEN The passenger(s) could fall, be thrown out, or be struck by objects in the cargo bed. HOW TO AVOID THE HAZARD Never carry a passenger/ passengers in the cargo bed. This cargo bed is designed to carry cargo only. TRAILER HITCH BRACKET 1.Trailer hitch bracket This vehicle is equipped with a receiver bracket for a standard trailer hitch. HOOD 1.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS To Open Unhook the hood latches, pull down the hood and then take it out. To Close Put the hood in place, push up it and then lock the latch. WARNING If the hood latches are hooked improperly, or the latches and their attachments can not work properly, the front hood can come off during operation, striking the driver or passenger and causing serious personal injury.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS WARNING Never remove the pressure cap when the engine is warm or hot. Escaping steam can cause severe burns. The engine must be cool before removing the pressure cap. Radiator Coolant Level Inspection NOTE:This procedure is only required if the cooling system has been drained for maintenance and/or repair. However, if the recovery bottle has run dry, the level in the radiator should be inspected and coolant added if necessary.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS Do not over fill the tank. Do not fill the tank neck. If you get gasoline on your skin or clothing, immediately wash it off with soap and water and change clothing. Never start the engine or let it run in an enclosed area. Gasoline powered engine exhaust fumes are poisonous and can cause loss of consciousness and death in a short time.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 7. CONTROL AND PARTS FUNCTIONS 3. Stop the engine, remove dipstick (1) and wipe dry with a clean cloth. 4. Put dipstick into the oil tank (don’t screw in it), remove it and read the oil level. 5. Remove dipstick and check to see that the oil level is between the full and add marks(2). Add oil as indicated by the level on the dipstick. Do not overfill. CAUTION Use only SAE 15W/40, SJ OIL. Never substitute or mix oil brands.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 8. STARTING THE ENGINE Procedure for Starting a Cold Engine WARNING Never run an engine in an enclosed area. Carbon monoxide exhaust gas is poisonous and can cause severe injury or death. Always start engines outdoors. WARNING POTENTIAL HAZARD Freezing control cables in cold weather. WHAT CAN HAPPEN You could be unable to control the vehicle, which could lead to an accident or collision.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 8. STARTING THE ENGINE should be as short as possible to preserve battery energy. Do not crank the engine more than 5 seconds on each attempt. NOTE: If the engine fails to start, release the key, and then try starting again. Wait a few seconds before the next attempt. Each cranking should be as short as possible to preserve battery energy. Do not crank the engine more than 5 seconds on each attempt. 1.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 8. STARTING THE ENGINE 5. Start the engine. 6. After the engine starts, disconnect the negative lead of the jumper cable from the vehicle and charged battery, and then disconnect the positive lead of the jumper cable from the charged battery and the battery in the vehicle. 7. Close the hood.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 9. VEHICLE BREAK-IN PERIOD The break-in period for your new UTV is defined as the first 50 hours of operation. No single action on your part is as important as a proper break in period. Careful treatment of new engine will result in more efficient performance and longer life for the engine. Perform the following procedures carefully. CAUTION Do not operate at full throttle or high speeds for extended periods during the break-in period.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 10. RIDING GEAR SAFE RIDING GEAR Always wear clothing suite to the type of riding you are doing. UTV riding requires special protective clothing which will make you fell more comfortable and reduce chances of injury. 1. Helmet Your helmet is the most important piece of protective gear for safe riding. A helmet can prevent a severe head injury. Select an approved off-road motorcycle -type helmets that fits properly. 2.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 10. RIDING GEAR WARNING POTENTIAL HAZARD Operating this vehicle without wearing an approved motorcycle helmet, eye protection, and protective clothing. WHAT CAN HAPPEN Operating without an approved motorcycle helmet increases your chances of a severe head injury or death in the event of an accident. Operating without eye protection can result in an accident and increases your chances of a severe injury in the event of an accident.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 11. CARRYING LOADS CARRYING LOADS Cargo or a trailer can change the stability and handling of a vehicle. You must use common sense and good judgment when carrying cargo or towing a trailer. Keep the following points in mind: Never exceed the weight limits shown. An overloaded vehicle can be unstable.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 11. CARRYING LOADS Make sure the load does not interfere with controls or your ability to see where you are going. Drive more slowly than you would without a load. The more weight you carry, the slower you should go. Although conditions vary, it is good practice not to exceed low range whenever you are carrying heavier loads or when towing a trailer. Allow more braking distance. A heavier vehicle takes longer to stop.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 11. CARRYING LOADS WARNING POTENTIAL HAZARD Overloading this vehicle or carrying or towing cargo improperly. WHAT CAN HAPPEN Could cause changes in vehicle handling which could lead to an accident. HOW TO AVOID THE HAZARD Never exceed the stated load capacity for this vehicle. Cargo should be properly distributed and securely attached. Reduce speed when carrying cargo or pulling a trailer. Allow greater distance for braking.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE GETTING TO KNOW YOUR VEHICLE This off-highway utility vehicle will handle and maneuver differently from an ordinary passenger car or other vehicle. Before you begin to use your vehicle, be sure you have read this Owner’s Manual completely and understand the operation of the controls. Pay particular attention to the safety information. Please also read all caution and warning labels on your vehicle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE LEARNING TO OPERATE YOUR VEHICLE You should become familiar with the performance characteristics of the vehicle in a large, flat area that is free of obstacles and other vehicles. Practice control of the accelerator pedal, brakes, steering, and drive select lever. Drive first at slow speed and become comfortable at that speed before gradually increasing your speed.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE BRAKING Braking ability is affected by the type of terrain. In most cases, gradually application of the brakes is more effective than abrupt braking, particularly on loose surfaces like gravel. Always allow for greater braking distance on rough, loose, or slippery surfaces. GOING UPHILL Do not attempt to climb hills until you have mastered basic maneuvers on flat ground. Use proper driving techniques to avoid overturns on hills and slopes.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE HOW TO AVOID THE HAZARD Never operate your vehicle on hills too steep for it or your abilities. Never operate vehicles on hills steeper than 15％. Do not drive across the face of a hill. Go straight up the hill. Practice on smaller hills before attempting large hills. 15％ Maximum Before climbing the hill, first be sure you are operating in low range 4WD ( 4WD modle). To climb a hill, you need traction, momentum, and steady throttle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE obstacles that may appear. WARNING POTENTIAL HAZARD Going down a hill improperly. WHAT CAN HAPPEN Could cause loss of control or cause the vehicle to overturn. HOW TO AVOID THE HAZARD Always check the terrain carefully before you start down any hill. Never go down a hill at high speed. Avoid going down a hill at an angle that would cause the vehicle to lean sharply to one side. Go straight down the hill where possible.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE arm or/ and leg outside the vehicle, do not try to stop tipping with your arm or leg. You could be severely injured. You could suffer a crushed hand, arm, leg, or foot, if part of your body is caught underneath the vehicle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE WARNING POTENTIAL HAZARD Failure to use extra care when operating this vehicle on unfamiliar terrain. WHAT CAN HAPPEN You can come upon hidden rocks, bumps, or holes, without enough time to react. Could result in the vehicle overturning or going out of control. HOW TO AVOID THE HAZARD Go slowly and be extra careful when operating on unfamiliar terrain. Always be alert to changing terrain conditions when operating the vehicle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 12. DRIVING YOUR VEHICLE Could cause loss of control or a collision. Could cause the vehicle to overturn. HOW TO AVOID THE HAZARD Before operating in a new area, check for obstacles. Use extreme caution when operating over large obstacles, such as large rocks or fallen trees. PARKING When parking, stop the engine and shift the drive select lever into the neutral position. Apply the parking brake to help prevent the vehicle from rolling. Parking on a slope 1.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 13. CVT SYSTEM WARNING The CVT system rotates at high speeds. Creating large amounts of force on clutch components. Do not modify any components of the CVT system. Any modification will damage the system; cause the system to be out of balance, The CVT housing must be securely in place during operation, Failure to comply with this warning can result in severe injury or death.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 13. CVT SYSTEM CVT SYSTEM On UTV, the approximate gear ratio difference between high and low range is 1:1.67..This difference in gearing affects the operation of the CVT, especially at speeds less than 7 MPH, due to the system’s dependence on engine speed. By switching to low range while operating at low ground speeds, the air temperature in the clutch will be reduced.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 14. BATTERY WARNING Whenever removing the battery, disconnect the negative (black) cable first. When reinstalling the battery, connect the negative (black) cable last or an explosive situation could result causing serious injury or death. WARNING Battery electrolyte is poisonous. It contains sulfuric acid. Serious burns can result from contact with skin, eyes or clothing. Antidote: External: Flush with water. Internal: Drink large quantities of water or milk.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 14. BATTERY An exploding battery can cause serious injury or death. WARNING Battery terminals and connections should be kept free of corrosion. If cleaning is necessary, remove the corrosion with a stiff wire brush. Wash with a solution of one tablespoon baking soda and one cup water. Rinse well with tap water and dry off with clean rags. Coat the terminals with dialectic grease or petroleum jelly.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 15. EXHAUST SYSTEM SYSTEM REGULATION TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED! CAUTION: Exhaust system components are very hot during and after use of UTV. Do not touch exhaust system components. Serious burns can result. Be especially careful when traveling through tall grass. The potential for fire exists Catalyst There is catalyst inside the muffler on all Europe models and some U.S. models.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE CAUTION Due to the nature of the adjustments marked with a D on the following chart, it is recommended that service be performed by an authorized dealer. More often under severe use, such as dirty or wet conditions to purge water or dirt contamination from grease fittings and other critical components. PERIODIC MAINTENANCE SCHEDULE Careful periodic maintenance will help keep your vehicle in the safest, most reliable condition.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Item Hours When Remarks Brake System Pre-ride Pre-ride Pre-ride inspection item Accelerator pedal Pre-ride Pre-ride Inspect –adjust, lubricate, replace if necessary; pre-ride inspection item Fuel System Pre-ride Pre-ride Check for leaks at tank cap, lines, fuel valve, filter, and carburetor.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Item Hours When Remarks Engine Cylinder Head and Cylinder Base Fasteners 25 hrs 3 months Inspect (re-torque required at first service only) General Lubrication 50 hrs 3 months Lubricate all fittings, pivots, cables, etc. 30 hrs 3 months Engine Oil-Level/Change Check Level Daily; Break in Service at 1 month. Change oil more often in cold weather use.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Item Hours When Remarks Front Suspension 50 hrs 6 months Inspect-lubricate, tighten fasteners Rear Suspension 50 hrs 6 months Inspect, tighten fasteners Spark Plug 100 hrs 12 months Inspect-replace if necessary Ignition Timing 100 hrs 12 months Inspect and adjust as needed Fuel System 50 hrs 6 months Check for leaks at tank cap, lines, fuel valve, filter, and carburetor.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE LUBRICATION RECOMMENDATIONS Item Lube Rec Method Frequency 1. Engine Oil SAE 15W/40SJ Add to proper level on dipstick Check level daily 2.Brake Fluid DOT 3 Only Maintain level Between fill lines. See “7.CONTROL” As require; change every two years or 200 hours 3.Rear Gear case oil SAE GL-4 85W/90 See “16.MAINTENANCE/ Rear Gear Case Lubrication” Change annually or at 100 hours 4.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Item Lube Rec Method Frequency 5.Steering system Grease Lubricate the pivoting and sliding parts Every 3 months or 50 hours 6.Tie rods Grease Grease Semi-annually 7.Shift Linkages Grease Locate fittings and Grease Semi-annually 8.Front Wheel bearings Inspect Inspect and bearings if necessary replace Semi-annually 9.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE NOTE: 1. More often under severe use, such as wet or dusty conditions . 2. Grease: Light weight lithium-soap grease. 3. Grease M：molybdenum disulfide(MoS2 ) grease(water resistant). 4. *When suspension action becomes stiff or after washing. 5. Hours are based on 10 mph(16Km/h) average.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE PERIODIC MAINTENANCE RECORD Use the following chart to record periodic maintenance work： Maintenance Servicing Servicing Dealer Remarks Interval Date or Performed Person First 5 Hrs 10 Hrs 15 Hrs 20 Hrs 25 Hrs 50 Hrs 75 Hrs 100 Hrs The following items should be checked occasionally for tightness; or if they have been loosened for maintenance service.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE WHEEL NUT TORQUE SPECIFICATIONS Bolt Size Specification Front M10X1.25 63Ft.Lbs 85N.m Rear M10X1.25 63Ft.Lbs 85N.m NOTE: All nuts that have a cotter pin installed must be serviced by an authorized Dealer. Front Wheel Hub Tightening Front wheel bearing tightness and spindle nut retention are critical component operations. Service work must be performed by an authorized dealer.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE REAR SPRING ADJUSTMENT The rear shock absorber spring is adjusted by rotating the adjuster in the direction required to increase or decrease spring tension. Rear Spring Adjustment AIR FILTER SERVICE 1. Lift the cargo bed. (See 7. CONTROL AND PARTS FUNCTIONS in this manual for bed lifting and lowering.) 2. Release clips and remove Cover. 3. Loosen clamp and remove Filter. 4. Remove fabric type pre-filter from main filter.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE STEERING Steering Inspection The steering assembly of the machine should be checked periodically for loose nuts and bolts, worn tie rod ends, worn boots, and damage. Checking routing of all cables, hoses, and wiring to be sure the steering mechanism is not restricted or limited. If any found, have your dealer repair them before riding your vehicle.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE TOE ALIGNMENT CHECK WARNING Do not attempt to adjust the tie rod for toe alignment. Severe injury or death can result from improper adjustment. Contact your dealer. He/she has the training and tools to Make these adjustment. The recommended toe alignment is 1/8”to 1/4”(3to6mm) toe out. 1. Set the steering wheel in a straight ahead position and hold them in this position. 2. Measure A and B,A minus B should be 1/16” to 1/8” (1.5 to 3mm). 3.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE BRAKES Front brake WARNING Once a bottle of brake fluid is opened, use what is necessary and discard the rest. Do not store or use a partial bottle of brake fluid. Brake fluid is hygroscopic, meaning it rapidly absorbs moisture from the air. This causes the boiling temperature of the brake fluid to drop, which can lead to early brake fade and the possibility of serious injury.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Checking the brake fluid level Insufficient brake fluid may let air enter the brake system, possibly causing the brakes to become ineffective. Before riding, check that the brake fluid is above the minimum level mark and replenish if necessary. A low brake fluid level may indicate worn brake pads and/or brake system leakage. If the brake fluid level is low, be sure to check the brake pads for wear and the brake system for leakage.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE PARKING BRAKE Checking Although the parking brake has been adjusted at the factory, the brake should be checked for proper operation. The mechanical brake must be maintained to be fully functional. 1. With the engine off, apply the parking brake lever and attempt to move the UTV. 2. If the rear wheels are locked, it is adjusted properly. 3. If the wheels are not locked, it must be adjusted. 4.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE A temporary adjusting can also be done to the brake cable on the parking lever side by turn the adjuster (nut) directly. But the adjust range is limited. Always do the procedure 1 to 8 when necessary. Parking Brake Indicator (light) Switch Adjustment Throttle Free Play Inspection 1. Apply the parking brake. 2. Put gear in Neutral position. 3. Start the engine, and warm it up thoroughly. 4.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Spark Plug Removal and Replacement WARNING Never attempt to remove a spark plug while the engine is warm. The exhaust system or engine could burn you causing severe injury. Remove the spark plug by rotating counterclockwise. Reverse the procedure for spark plug installation. Torque to 17ft.Ibs (23N.m). OIL AND FILTER CHANGE The recommended oil change interval is 30 hours, or every 3 mouths, whichever comes first.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Rear Gearcase Lubrication CAUTION Be sure no foreign material enters the gear case. With the ATV on a level surface, remove fill plug and visually inspect the lubricant level through the fill hole. Lubricant should be kept even with the center of the drill point approximately below the top of the fill hole. NOTE: Do not add lubricant to the bottom of the fill plug threads. The correct gearcase lubricant to use is SAE GL-4 85W/90 Weight Gear Lube.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE Front Gearcase Lubrication CAUTION Be sure no foreign material enters the gear case. With the ATV on a level surface, remove fill plug and visually inspect the lubricant level through the fill hole. Lubricant should be kept even with the center of the drill point approximately below the top of the fill hole. NOTE: Do not add lubricant to the bottom of the fill plug threads. The correct gear case lubricant to use is SAE GL-4 85W/90 Weight Gear Lube.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE WHEELS AND TIRES WARNING Operating your UTV with worn tires, improperly inflated tires, non-standard tires or improperly installed tire will affect vehicle handling which could cause an accident resulting in serious injury or death. Follow the safeguards listed below to prevent this type of situation. Important Safeguards Maintain proper tire pressure according to charts below. Improper tire inflation may affect UTV maneuverability.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE 4. Securely tighten the wheel nuts according to the chart found in “16.MAINTENANCE/ Wheel Nut Torque”. Tire Inspection When replacing a tire always use original equipment size and type. Tire Tread Depth Always replace tires when tread depth is worn to 1/8” (3mm) (1) or less. Please refer to your Owner’s Manual for tire specifications. LIGHTS Keep your headlights and taillights clean.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE the bulb. Install rebound clip just removed to fasten the bulb and then plug in wires. 3. Remove position lamp socket out of top cover. Remove the worn bulb by taking a hold of it and pulling it out. Insert a new bulb into socket before inserting the socket in its mounting hole. Taillight / Brake light Lamp Replacement If the Taillight / Brake light does not work the lamp may need to be replaced. 1. Remove the Side Cover A ①. 2.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE pail of mild soap and water. Use a professional type washing mitten, cleaning the upper body first and lower parts last. Rinse with water frequently and dry with a chamois to prevent water spots. NOTE: If warning labels are damaged, contact your dealer for replacement. Waxing Your UTV can be waxed with any non-abrasive automotive paste wax. Avoid the use of harsh cleaners since they can scratch the body finish.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 16. MAINTENANCE well ventilated. Cover the machine with a UTV cover. NOTE: Do not use plastic or coated materials. They do not allow enough ventilation to prevent condensation, and may promote corrosion and oxidation. TRANSPORTING Whenever the UTV is to be transported the following measures should be taken. 1. Turn off the engine and remove the key. 2. Be certain the fuel cap, oil cap, and seat are installed correctly. 3.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 17. TROUBLESHOOTING Issues of Improper Operation Driven Clutch (CVT) Burning Possible Causes Solutions Loading the UTV into a Shift transmission to Low Range during pickup or tall trailer when in loading of the UTV to prevent belt burning high range. Starting out going up a When starting out on an incline, use low steep incline range, or dismount the UTV after first applying the park brake and perform the “K” turn as described in this manual.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 17. TROUBLESHOOTING Low Battery Possible Cause Solutions Starting a faulty engine for See”8.STARTING THE ENGINE” long time And check the fuel/ air/ ignition/ compression system Let the main switch (key) When stopping the engine, turn off on while parking the UTV the main switch (key) off at once WARNING This UTV is equipped with EFI system ,If the battery is under 12 Volt, the engine will not start.
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T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 19. SPECIFICATION Dimensions & Capacities LXWXH 2730×1460×1890 mm 107×57×74 in Seat height 860 mm 33.8 in Wheel Base 1855 mm 73 in Outer: 4500 mm 177 in Inner: 3000 mm 118 in Ground Clearance 280 mm 11 in Fuel capacity 26 L 6.87 US gal Engine Oil Capacity 2.2L 0.58 U.S.
T-Boss550 OWNER’S/OPERATOR’S MANUAL 18.0 19. SPECIFICATION Engine Engine Type LH188MR-A 4Stroke, Single Cylinder, SOHC Bore x Stroke Displacement Starter System Engine Cooling Lubrication System Ignitions Spark Plug Type 87.
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