Baja motorsports Baja 90cc Owner's Manual
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Baja motorsports Baja 90cc Owner's Manual

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Baja 90cc & Wilderness 90cc
Read this manual carefully. t contains important safety information.
Children under the age of 16 should be supervised by a responsible adult.
OWNER'S MANUAL
Minimum Age Requirement
90cc Model: 12
n the Province of Quebec Canada the
minimum operator age shall be 14+ as
specified by the Quebec Off-Highway
Vehicles Act.
Please note that photographs of the
ATV in this manual my differ from your
ATV due to specifications required by
different countries.
Rev B
Always wear a helmet; t could save your Life!
Do not remove this operator's manual from this vehicle, according to guidelines with the U.S. Consumer Product Safety Commission.
Meets the requirements of ANS-SVA-1-2001
Please obtain, review, and follow provincial / municipal government acts and regulations pertaining to owning and operating an off-road vehicle.


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  • Page 1 Baja 90cc & Wilderness 90cc Read this manual carefully. t contains important safety information. Children under the age of 16 should be supervised by a responsible adult. OWNER’S MANUAL Minimum Age Requirement 90cc Model: 12 n the Province of Quebec Canada the...
  • Page 2 BAJA MOTORSPORTS, LLC is not liable for any damage claim or liability claim person or otherwise resulting from the operation of this product in any way. Should you experience a problem or need to return your Baja Motorsports 90cc ATV for repair, please call the BAJA MOTORSPORTS customer service department TOLL FREE at 1-888-863-BAJA (2252) between the house of 7am and 5pm Monday thru Friday PST and Saturday 8am to 4pm PST.
  • Page 3 WARNNG This manual should be considered as a permanent part of the vehicle and should remain with the vehicle when resold or otherwise transferred to a new user or operator. The manual contains important safety information and instructions which should be read carefully before operating the vehicle.

  • Page 4: Table Of Contents

    Table of Contents MPORTANT ........................2 FOREWORD ........................2 NOTCE TO THE USER ....................3 BAJA 90-ATV .........................6 FUEL AND OL ......................7 LOCATON OF LABELS ....................8 HANDLEBAR & SWTCH ....................10 LEFT HANDLEBAR ....................10 RGHT HANDLEBAR ...................10 GEAR SHFTNG ....................11 FUEL VALVE ......................12 FUEL TANK CAP ....................12 SEAT LOCK ......................13 SPEEDOMETER ....................14 REAR VEW MRROR ...................14...

  • Page 5: Mportant

    Please read this manual and follow all instructions carefully. To emphasize the special information, the symbol and the words WARNNG or CAUTON have some special meanings. Pay great attention to the messages. WARNNG ndicates a potential hazard that could result in death or injury. CAUTON ndicates a potential hazard that could result in vehicle damage.

  • Page 6: NotCe To The User

    We believe in conservation and protection of the earth’s natural resources. We encourage every vehicle owner and operator to do the same by obeying posted signs and riding only in areas designated and approved for off-road recreational use. NOTCE TO USERS THS ATV S NOT A TOY.
  • Page 7 · Never operate this ATV at excessive speeds. Always operate at a speed that is proper for the terrain, visibility, operating conditions, and the operator’s skill / experience. · Never attempt wheelies, jumps, or other stunts. · Always inspect the ATV each time before use to ensure it is in a safe operating condition.
  • Page 8 · Always use proper procedures if you stall or roll backwards when climbing a hill. To avoid stalling, maintain a steady speed when climbing a hill. f you stall or roll backwards, follow the special procedure for braking described in this manual. Dismount on the uphill side or to a side if pointed straight to uphill.

  • Page 9: Baja 90-Atv

    ATV 90 [Left] [Right]...

  • Page 10: Fuel And OL

    FUEL AND OL FUEL The proper fuel is very important for the engine. Ensure that there is no dust or dirt, or water which has mixed in the fuel. Please use the regular unleaded gasoline with the octane number 90 or higher. ENGNE OL Your 90cc ATV has a four-stroke engine.

  • Page 11: LocatOn Of Labels

    Read and follow all of the warnings labels on your ATV. Make sure you understand all the labels. Keep the labels on the ATV. Do not remove them for any reason. f a label comes off or becomes difficult to read, you should get a replacement by contacting Baja Motorsports.  ...
  • Page 12 WARNNG/AVERTSSEMENT mproper ATV use can result in SEVERE NJURY or DEATH L’usage inadéquat du VTT peut entraîner des blessures graves ou la mort. ALWAYS USE AN NEVER USE ON PUBLC NEVER CARRY NEVER USE WTH APPROVED HELMET AND ROADS PASSENGERS DRUGS OR ALCOHOL PROTECTVE GEAR N’ALLEZ PAS SUR LES...

  • Page 13: Handlebar & SwTch

     HANDLEBAR & SWTCH LEFT HANDLEBAR With the Engine stop switch in the “Stop” position  The engine cannot be started.   With the Engine stop with in the “Run” position  The engine can be started. Rear brake lever ...

  • Page 14: Gear ShFtNg

    GEAR SHFTNG A non-cycling mode of gear shifting is employed for this vehicle. Reduce the throttle before shifting. Never increase the throttle while shifting gears. Do not place your foot on the gear-shifting pedal while operating the vehicle to avoid damaging the clutch caused by sudden gear shifting accidentally.

  • Page 15: Fuel Valve

    Use the throttle adjusting screw to restrict maximum speed of the ATV. Adjust this limiter according to the rider’s skill and experience. Adjusting procedures: 1. Loosen the nut 2. Turn the throttle adjusting screw clockwise to restrict maximum speed of the ATV. 3.

  • Page 16: Seat Lock

    WARNNG Overfilling the fuel tank could be hazardous. f you overfill the fuel tank, fuel may overflow when it expands. Expanding is due to heat from engine or sun. Overheated fuel could easily catch fire. Stop adding fuel when the fuel level reaches the bottom of the filler neck. WARNNG mproper fueling of the ATV could be hazardous.

  • Page 17: Speedometer

    SPEEDOMETER AND REVEW MRROR Speedometer The speedometer has been pre-set by the factory and does not need setting. f the user wants to adjust the speedometer, please complete the below process: Setting the MPH/KmH 1. Before turning on the power press the RESET (C) button on the back of the speedometer. 2.

  • Page 18: Remote Stop Lanyard

    REMOTE STOP LANYARD Stop Lanyard Stop Lanyard Your ATV is equipped with a remote stop lanyard. This lanyard should be used when training beginner operators. The adult supervisor should grasp the lanyard and follow behind the ATV while the beginner is learning to operate the ATV. The adult supervisor should pull the lanyard to remove the remote stop pin which will stop the engine.

  • Page 19: RDNg Your Atv

    RDNG YOUR ATV WHAT YOU SHOULD KNOW BEFORE RDNG Before riding, you should read all the following information carefully. f you are properly prepared, you will have a more enjoyable ride. Before riding, you should find a good place to practice the skills. Find a flat, open area with enough space to practice the new skills.

  • Page 20: NspectOn Before RDNg

    NSPECTON BEFORE RDNG TEM TO CHECK CONTENT Steering Smoothness; No restriction of movement; No play or looseness Brakes Proper brake lever free play; enough brake force; Parking brake effectiveness Tires Proper air pressure; Enough tread depth; No cracks, rips, or other damages Fuel Enough fuel for the intended trip;...
  • Page 21 WARNNG Overloading could be hazardous. Overloading could cause changes in vehicle handling and could lead to an accident. Never exceed the stated load capacity for this ATV. Refer to the ACCESSORY USE AND VEHCLE LOADNG section in this manual. WARNNG Operating this ATV with improper modifications could be hazardous.

  • Page 22: Safety Gear

    SAFETY GEAR A DOT approved motorcycle helmet is the most important part of you safety gear. A DOT approved motorcycle helmet can help prevent a serious head injury. Choose a helmet that fits snugly. Motorcycle dealers can help in selecting a good quality helmet which fits properly.

  • Page 23: Break-N

    BREAK-N The first month is the most important in the life of your vehicle. Proper operation during this break-in period will be helpful for assuring maximum life and performance of your new vehicle. The following guidelines explain proper break-in procedures. Maximum Throttle Opening Recommendation During the first 10 hours of operation, you should always use less than ½...

  • Page 24: StartNg The EngNe

    STARTNG THE ENGNE Before attempting to start the engine, make sure to follow these steps. 1. Turn the key switch to the ON position. 2. Set the engine stop switch to the “RUN“ position. 3. Apply the rear brake lever and make sure that the rear wheels are in locking condition.
  • Page 25 WARNNG Operating this ATV on paved surfaces, including sidewalks, paths, parking lots, driveways and streets could be hazardous. ATV tires are designed for off-road use. Paved surfaces may seriously affect handling and control of the ATV, and may cause the vehicle to lose control.
  • Page 26 WARNNG Operating this ATV at excessive speeds could be hazardous. Riding at excessive speeds increases your chances of losing control of the ATV, which could result in an accident. Always go at a speed that is proper for the terrain, visibility, operating conditions, operator skills, and operator experience.
  • Page 27 WARNNG Failing to use extra care when operating on excessively rough, slippery, or loose terrain could be hazardous. Failing to use extra care could cause loss of traction. This could result in an accident, including an overturn. Do not operate under these conditions until you have learned and practiced the skills necessary to control the ATV on such terrain.
  • Page 28 WARNNG The ATV may start moving as soon as you release the parking brake. Unexpected movement could cause you to lose control of the ATV. Make sure to apply the rear brake before you release the parking brake. When you are sure that the engine is Release the front brake lever and warm, release the rear brake.

  • Page 29: BrakNg

    BRAKNG To stop the ATV, first release the throttle lever. And then apply the rear and front brakes smoothly. WARNNG Braking while turning the ATV could be hazardous. Use of the brake when turning could cause the ATV to slide or roll over. Use the brake to slow down before you begin to turn.

  • Page 30: TurnNg

    TURNNG To turn the ATV, the rider must use the proper technique. Because this vehicle has a solid rear axle, both rear wheels always turn at the same speed. This means that if the rear wheels are getting equal traction, the vehicle will tend to move straight ahead. This is because the rear wheels will travel the same distance.

  • Page 31: SkDdNg Or SlDNg

    SKDDNG OR SLDNG You may experience skidding or sliding when you are not braking. You may be able to overcome it by using the techniques listed below. f your front wheel skids: Gain front wheel traction by reducing the throttle opening and leaning your body slightly forward.
  • Page 32 CLMBNG A HLL WARNNG Climbing hills improperly could be hazardous. Climbing hills improperly could cause loss of control or cause the ATV to overturn. Always follow the proper procedures for climbing hills as described in this section. Always check the terrain carefully before you start up any hill. Never climb hills with excessively slippery or loose surfaces.
  • Page 33 WARNNG Stalling, rolling backwards or improperly dismounting the ATV while climbing a hill could be hazardous. The ATV could overturn if you do not climb a hill properly. Maintain a steady speed when climbing the hill. Always follow the proper procedures for climbing hills as described in this section.
  • Page 34 DESCENDNG A HLL WARNNG Going down a hill improperly could be hazardous. Going down a hill improperly could cause loss of control or cause the ATV to overturn. Always follow the proper procedures for going down hills as described in this section. To ride down a hill with the ATV, follow the instructions below.

  • Page 35: RDNg Over Obstacles

    TRAVERSNG A SLOPE WARNNG Crossing hills or turning on hills improperly could be hazardous. Crossing hills or turning on hills improperly could cause loss of control or overturn. Never attempt to turn the ATV around on any hill until you have mastered the turning technique as described in the CLMBNG A HLL section.

  • Page 36: RDNg Through Water

    RDNG THROUGH WATER You can ride the ATV through shallow water. Make sure it is not more than 10cm (4 inches) deep and is not moving fast. Choose a good place to cross before you ride through the water. Look for a spot where the banks are gently sloped on both sides and the bottom of the stream is hard.
  • Page 37 RDNG N COLD WEATHER Pre-ride nspection Check that the throttle and all control levers move freely. Make sure that the footrests are free of ice or snow. Move the ATV forward and backward to check that the wheels roll freely. f you cannot move the ATV, the tires may be frozen to the ground, or the brakes may be frozen to the wheels.
  • Page 38 DRESSNG FOR COLD WEATHER RDNG WARNNG Operating your ATV in cold weather without proper clothing could be hazardous. Continued exposure in the cold weather could lead to hypothermia. Hypothermia is a condition where your body’s inner temperature drops low enough to cause injury or death.
  • Page 39 RDNG YOUR ATV ON SNOW AND CE WARNNG Riding on snow-covered terrain, even with care, could be hazardous. The snow may be covering rocks, holes, ice or other hazards that can cause loss of control. Severe injury or death could occur if you lose control of the ATV. Go slowly and be careful when riding on snow-covered terrain.

  • Page 40: Accessory Use And VehCle LoadNg

    ACCESSORY USE AND VEHCLE LOADNG There are many types of accessories for sale. However, we cannot have direct control over their quality or suitability. We cannot test each accessory that is available. f you add the wrong accessories or misuse the vehicle with some accessories installed, it can make the ATV less safe to ride.

  • Page 41: NspectOn And MaNtenance

    NSPECTON AND MANTENANCE t is very important to inspect and maintain your ATV regularly. Follow the guidelines in the chart. The intervals between periodic services in months are shown. At the end of each interval be sure to perform the maintenance listed. MANTENANCE SCHEDULE nterval nitial 1 month...
  • Page 42 f you are not sure how to do the maintenance ask your authorized service or call Baja Motorsports. CAUTON f you use your ATV under severe conditions, it will need maintenance more often than shown in the chart.

  • Page 43: Tools

    A brown color indicates that the plug is correct. A white or dark insulator indicates that the engine may need adjustment, or another plug type may be needed. Consult your authorized dealer or Baja Motorsports if your plug insulator is not a light brown color.
  • Page 44 NOTE: This ATV uses resistor-type spark plug to avoid jamming electronic parts. mproper spark plug selection may cause electronic interference with your ATVs ignition system, resulting in the vehicle performance problems. Use recommended spark plugs. To install a spark plug turn it in as far as possible with your fingers, then tighten it with a wrench.

  • Page 45: Battery NstallatOn

    BATTERY NSTALLATON NTAL SERVCE AND NSTALLATON OF BATTERY:...
  • Page 49 Battery Replacement: · Remove old battery. Mark which cable is connected to the positive terminal (+) and which cable is connected to the negative (-) terminal. · Clean cable connectors with wire brush or sandpaper to remove oxidation. · After charging, install new battery. Put dielectric grease on the battery terminals to avoid corrosion.

  • Page 50: Throttle Cable Adjustment

    THE ADJUSTMENT OF THROTTLE LEVER Measure the throttle level play. 2.0~4.0mm as shown To adjust the throttle lever free distance: 1. Remove the cover. Loosen the nut  2. Turn the adjuster in or out to obtain the correct play. ...

  • Page 51: Dle Speed Adjustment

    DLE SPEED ADJUSTMENT To adjust the idle speed properly, you need a tachometer. f you do not have one, ask your authorized service center to perform this adjustment.  To adjust the idle speed: 1. Start the engine and warm it up. 2.

  • Page 52: EngNe OL

    ENGNE OL The engine oil should be changed every 20 to 40 hours of operation. t should be changed more often in dirty and dusty areas. To change oil: 1. Park the vehicle on level ground. 2. Remove the oil cap. Oil cap Oil Drain plug 3.
  • Page 53 WARNNG New and used oil could be hazardous. Children and pets may be harmed by swallowing new or used oil. Continuous contact with used oil can cause skin cancer in laboratory animals. Brief contact with the used oil may irritate the skin. Keep new and used oil away from children and pets.

  • Page 54: AR Cleaner

    AR CLEANER The air cleaner element must be kept clean to provide good engine power. f you use your vehicle under normal, low-tension conditions, you should service the air cleaner at the intervals specified. f you ride in dusty, wet, or muddy conditions, you will need to inspect the air cleaner element much more frequently.
  • Page 55 REMOVAL 1. Loosen the screw on the metal band holding the air filter to the carburetor. 2. Take out the air cleaner element holder and air cleaner element. CLEANNG THE AR FLTER Tap the air filter on a firm surface to dislodge as much dirt and debris as possible. f tapping the air filter does not remove the dirt and debris, replace the air filter.
  • Page 56 CAUTON A torn air filter could damage your ATV. Dirt and dust may get inside of the engine if the element is torn. Examine carefully the element for tears before and after cleaning it. Replace the element with a new one if it is torn. WARNNG Oil and solvent could be hazardous.

  • Page 57: DrVe ChaN

    The drive chain is damaged means that the sprockets may also be damaged. nspect the sprockets as specified below: Good Worn · Excessively worn teeth · Broken or damaged teeth · Loose sprocket mounting nut(s) f you find any of these problems with your sprocket, consult Baja Motorsports or your local service center.

  • Page 58: DrVe ChaN CleanNg And OLNg

    DRVE CHAN CLEANNG AND OLNG Clean and oil the chain as the following: 1. Wash the chain with water. 2. Dry the chain, and then oil the links with Chain lube or equivalent. Adjusting the Drive Chain 20~30 mm (0.8~1.2 in) The drive chain should be adjusted and make sure there is 20~30 mm (0.8~1.2 in) of slack, as shown above.

  • Page 59: TRes

    TRES The ATV is equipped with low pressure tubeless tires of the size and type listed below: Front Rear Size AT19 X 7-8 AT18 X 9.5-8 WARNNG Operating this ATV with improper tires, or even improper tire air pressure could be hazardous.
  • Page 60 WARNNG Overfilling the air to the tires could be hazardous. f you put too much air into the tire, may burst, and causing severe injury. Check the air pressure from time to time while inflating the tire gradually, until the specified air pressure is obtained.

  • Page 61: Brakes

    BRAKNG The ATV has two front drum brakes and a rear disk brake. WARNNG Failing to inspect and maintain your ATV’s brake system properly could be hazardous. mproper maintenance of the brake increases your chance of having an accident. Be sure to inspect the brake before riding according to the NSPECTON BEFORE RDNG section.

  • Page 62: Rear DSc Brake

    Rear Disk Brake 1. nspect the disk brake for leakage. f the brake fluid leaks, the safety of riding could be affected. 2. nspect the brake hose for cracks, and the joint for leakage. WARNNG Failing to maintain the brake shoes or pads could be hazardous. Riding with worn brake shoes, pads, or shoes that are seriously worn, will increase your chance of having an accident.

  • Page 63: Muffler

    EXHAUST WARNNG The hot exhaust muffler could burn you. The muffler will be hot enough to burn you after stopping the engine. Wait until the exhaust muffler cools to remove it.  1. Remove the nuts  . 2. Start the engine and rev it to blow out the accumulated carbon particles. 3.

  • Page 64: General LubrCatOn

    WARNNG Riding an ATV with improperly tightened drain nuts could be hazardous. Running the engine with a loose drain nut or without a drain nut will let hot carbon particles to escape. This can cause a fire. Tighten the drain nuts securely. GENERAL LUBRCATON Proper lubrication is important for safe, smooth operation and long life of your vehicle.

  • Page 65: TroubleshootNg

    mproper repairs or adjustments may damage the vehicle. Such damage may not be covered under warranty. f you are not sure about the proper action, consult your authorized service center or Baja Motorsports about the problem. Fuel Supplying Check 1. Make sure there is adequate fuel in the fuel tank.
  • Page 66 gnition System Check 1. Remove the spark plug and reattach it to the spark plug lead. 2. Push the electric button “START “(yellow button). Apply the rear brake lever to make sure the rear wheels are locked. f the ignition system is operating properly, a blue spark should jump across the spark plug gap.

  • Page 67: TransportNg

    TRANSPORTNG t is best to transport the ATV in the normal position. Before transporting the ATV drain the fuel from the carburetor as follows: 1. Drain fuel from carburetor into an empty container by loosening the carburetor drain screw. 2. When the fuel has been drained, retighten the drain screw. WARNNG Draining fuel from the carburetor could be hazardous.

  • Page 68: CleanNg Procedure

    CLEANNG PROCEDURE A thorough cleaning of your ATV is a necessary part of maintenance. t will help keep your ATV looking and performing best. Proper cleaning can also extend the life of your ATV. t is important to clean and inspect your ATV after every ride, especially if it is used in mud, brush, grass, water, salt water, or very dusty conditions The build-up of mud, brush, grass, etc.

  • Page 69: Washing Your Atv

    WASHNG YOUR ATV With some care, your ATV can be washed in a similar manner to washing an automobile. Note: Avoid spraying or allowing water to flow over the following places: · gnition switch · Spark plug · Fuel tank cap ·...

  • Page 70: Storage Procedure

    STORAGE PROCEDURE f you do not use your ATV for a long time, it will need special service requiring appropriate materials, equipment and skill. For this reason, we recommend that you trust this maintenance work to your authorized service center. f you wish to service the machine for storage yourself, follow the general guidelines below: VEHCLE Place the vehicle on level ground and wash the entire vehicle.

  • Page 71: SerAl Number LocatOn

    SERAL NUMBER LOCATON You need to know the frame and engine serial numbers to get title documents for your ATV. You also need these numbers to help your authorized service center or Baja Motorsports order parts. The frame number (1) is stamped on the front of the frame as shown in the photograph. The engine serial number (2) is stamped on the left side of the crankcase.

  • Page 72: SpecFCatOns

    SPECFCATONS PARAMETER OF ENGNE Engine Model ............1P47FMF (C90) Engine Style ...............Single Cylinder, Air-cooled, 4-stroke Displacement ............86 (ml) Bore x Stroke ............50 x 49.5 (mm) gnition System ............C.D.. Transmission .............4 gears, 1 down 3 up (1-0-2-3-4), Semi-Automatic Lubrication ..............Pressure / Splash Max.
  • Page 74 BAJA INC. – EMISSION CONTROL SYSTEM WARRANTY YOUR WARRANTY RIGHTS AND OBLIGATIONS The emission control system warranty period for this vehicle begins on the date the vehicle is de- livered to the first purchaser other than an authorized dealer, or the date it is first used as a dem- onstrator, lease, or company vehicle, whichever comes first and continues for 60 months after that date, or 5,000km, whichever comes first, provided there has been no abuse, neglect or improper maintenance of your vehicle.
  • Page 75 Your emission control system warranty covers components whose failure would increase an en- gine’s emission, including electronic controls, fuel injection system, carburetor, the ignition sys- tem, catalytic converter, or any other system utilized in this vehicle to control emission if it is origi- nally equipped.
  • Page 76 6. Physical damage, corrosion, or defects caused by fire, explosions or similar causes beyond the control of the Distributor. 7. Failures not caused by a defect in material or workmanship. Use of the vehicle in any type of competitive racing or related events immediately and completely voids this and all other warranties.
  • Page 77 Baja Inc. P.O. Box 61150 Phoenix, Az. 85082 Tel: 602-443-9180 Toll Free: 888-863-2252...

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Wilderness 90cc

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