2008 Yamaha Motorsports Big Bear 250 Owners Manual

2008 Yamaha Motorsports Big Bear 250 Manual

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  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 1
    READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER'S MANUAL YFM25BX WARNING This ATV should not be ridden by anyone under 16 years of age. LIT-11626-21-16 1P0-F8199-13
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 2
    EBU17091
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 3
    of your ATV, please consult a Yamaha dealer. AN IMPORTANT SAFETY MESSAGE: G READ THIS MANUAL TOGETHER WITH TIPS FOR THE ATV RIDER CAREFULLY AND COMPLETELY BEFORE OPERATING YOUR ATV. MAKE SURE YOU UNDERSTAND ALL INSTRUCTIONS. G PAY CLOSE ATTENTION TO THE WARNING AND CAUTION LABELS ON THE ATV. G NEVER
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 4
    IN SERIOUS INJURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Failure to follow WARNING instructions could result in severe injury or death to the ATV operator
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 5
    time of manufacture. Please check your local riding laws and regulations before operating this ATV. EBU17401 AFFIX DEALER LABEL HERE YFM25BX OWNER'S MANUAL ©2007 by Yamaha Motor Corporation, U.S.A. 1st edition, April 2007 All rights reserved. Any reprinting or unauthorized use without the written
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 6
    EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. EBU17420 TABLE OF CONTENTS SAFETY INFORMATION ...1-1 LOCATION OF THE WARNING AND SPECIFICATION LABELS ...2-1 DESCRIPTION ...3-1 Left view ...3-1 Right view...3-1 Controls and instruments ...3-2 INSTRUMENT
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 7
    ...7-31 SLIDING AND SKIDDING ...7-31 WHAT TO DO IF...7-33 WHAT TO DO...7-33 PERIODIC MAINTENANCE AND MINOR REPAIR ...8-1 Owner's manual and tool kit ...8-1 Periodic maintenance chart for the emission control system ...8-3 General maintenance and lubrication chart ...8-5 Checking the spark plug
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 8
    43 Removing a wheel ...8-44 Installing a wheel ...8-44 Troubleshooting ...8-46 Troubleshooting chart ...8-47 CLEANING AND STORAGE...9-1 Cleaning ...9-1 Storage ...9-2 11-3 Maintenance record ...11-4 YAMAHA MOTOR CORPORATION, U.S.A. ATV LIMITED WARRANTY ...11-5 YAMAHA EXTENDED SERVICE (Y.E.S.) ...11-7
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 9
    riding on hills or over obstacles, if you fail to take proper precautions. SEVERE INJURY OR DEATH can result if you do not follow these instructions: G Read this manual and all labels carefully and follow the operating procedures described. G Never operate an ATV without proper training or
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 10
    time you use it to make sure it is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in this manual. Always keep both hands on the handlebars and both feet on the footboards of the ATV during operation. Always go slowly and be extra careful
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 11
    . G Never exceed the stated load capacity for an ATV. Cargo should be properly distributed and securely attached. Reduce speed and follow instructions in this manual for carrying cargo or pulling a trailer. Allow greater distance for braking. FOR MORE INFORMATION ABOUT ATV SAFETY, call the Consumer
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 12
    EWB00021 WARNING 1 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
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 13
    WHAT CAN HAPPEN Exhaust fumes are poisonous and may cause loss of consciousness and death within a short time. HOW TO AVOID THE HAZARD Always operate your ATV in an area with adequate ventilation. 1 1-5
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 14
    EBU17660 LOCATION OF THE WARNING AND SPECIFICATION LABELS 2 2-1
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 15
    EBU17670 Read and understand all of the labels on your ATV. These labels contain important information for safe and proper operation. Never remove any labels from your ATV. If a label becomes difficult to read or comes off, request a replacement label from your Yamaha dealer. 2 2-2
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 16
    2 2-3
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 17
    2 2-4
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 18
    EBU17680 DESCRIPTION EBU17690 EBU17700 Left view 3 Right view 1. 2. 3. 4. 5. 6. 7. Headlights Fuel cock Recoil starter Fuses Battery Tail/brake light Rear shock absorber assembly spring preload adjusting ring 8. Engine oil drain bolt 9. Shift pedal 1. 2. 3. 4. 5. 6. 7. 8. 9. Spark arrester
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 19
    Main switch Fuel tank cap Throttle lever Front brake lever NOTE: The ATV you have purchased may differ slightly from the figures shown in this manual. 3-2
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 20
    EBU17720 INSTRUMENT AND CONTROL FUNCTIONS EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. 4 EBU17760 Main switch The positions of the main switch are as follows: ON All electrical systems are supplied with power. The headlights and taillight come on
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 21
    EBU17791 EBU18061 Indicator lights Handlebar switches 4 1. Reverse indicator light "R" 2. Neutral indicator light "N" EBU17830 1. Light switch " / 2. Engine stop switch " 3. Start switch " " EBU18080 /OFF" / " Reverse indicator light " " This indicator light comes on when the transmission is
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 22
    ATV will decelerate, and the engine will return to an idle any time the hand is removed from the throttle lever. CAUTION: See the starting instructions on page 6-1 prior to starting the engine. 4 EBU18151 Light switch " / /OFF" Set this switch to " " to turn on the low beams and the taillight. Set
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 23
    before you start the engine. If it does not work smoothly, check for the cause. Correct the problem before riding the ATV. Consult a Yamaha dealer if you can't find or solve the problem yourself. EBU18311 crease the maximum engine power available and the maximum speed of the ATV, turn the adjusting
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 24
    EWB00190 WARNING POTENTIAL HAZARD Improper adjustment of the speed limiter and throttle. WHAT CAN HAPPEN The throttle cable could be damaged. Improper throttle operation could result. You could lose control, have an accident or be injured. HOW TO AVOID THE HAZARD Do not turn the adjusting screw out
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 25
    EBU18450 Parking brake Use the parking brake before starting the engine or parking the ATV, especially on a slope. Apply the rear brake lever and push down the lock plate to apply the parking brake. Squeeze the rear brake lever to release the parking brake. 4 1. Brake pedal 1. Parking brake lock
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 26
    EWB00170 WARNING POTENTIAL HAZARD Improper use of the parking brake. WHAT CAN HAPPEN The ATV could start moving unexpectedly if the parking brake is not applied before starting the engine. This could cause loss of control or a collision. The brake could overheat if you ride the ATV without
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 27
    4 1. Drive select lever EBU27371 1. Recoil starter EWB02361 Recoil starter Firmly grasp the handle and pull slightly until engagement can be felt. Then pull forcefully, being careful not to pull the rope all the way out. WARNING POTENTIAL HAZARD Starting the engine in gear or starting the engine
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 28
    EBU18720 Fuel tank cap Remove the fuel tank cap by turning it counterclockwise. 4 1. Fuel tank filler tube 2. Fuel level 1. Fuel tank cap EBU18730 Fuel Make sure that there is sufficient fuel in the tank. Fill the fuel tank to the bottom of the filler tube as shown. Recommended fuel: UNLEADED
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 29
    content does not exceed 10%. Gasohol containing methanol is not recommended by Yamaha because it can cause damage to the fuel system or ATV performance problems. EWB00270 WHAT CAN HAPPEN Fuel can spill, which can cause a fire and severe injury. Fuel expands when it heats up. If the fuel tank is
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 30
    OFF ON 4 1. Arrow mark positioned over "OFF" 1. Arrow mark positioned over "ON" With the fuel cock lever in this position, fuel will not flow. Always turn the fuel cock lever to this position when the engine is not running. With the fuel cock lever in this position, fuel flows to the
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 31
    RES Move the starter (choke) in direction (b) to turn off the starter (choke). See the "Starting a cold engine" section on page 6-1 for proper operation. 4 1. Arrow mark positioned over "RES" This indicates reserve. With the fuel cock lever in this position, the fuel reserve is made available.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 32
    4 1. Seat 2. Seat lock lever 1. Projection 2. Seat holder EBU18920 To install the seat Insert the projections on the front of the seat into the seat holders and push down on the seat at the rear. NOTE: Make sure that the seat is securely fitted. Storage compartment The storage compartment is
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 33
    ECB00130 CAUTION: Do not store metal or sharply edged objects, like tools, in the storage compartment. If they must be stored, wrap them in appropriate cushion material to prevent damaging the storage compartment. 4 1. Storage compartment check hose EBU18960 Front carrier G G 1. Storage
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 34
    EBU19020 Adjusting the rear shock absorber assembly The spring preload can be adjusted to suit the rider's weight and the riding conditions. Adjust the spring preload as follows. Turn the adjusting ring in direction (a) to increase the spring preload and thereby harden the suspension, and in
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 35
    EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. 4 4-16
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 36
    the inspection and maintenance procedures and schedules described in the Owner's Manual. NOTE: The maintenance of some items in the table has to dealer. Refer to the periodic maintenance charts on page 8-3 to determine which service should be performed by a Yamaha dealer. ITEM Fuel ROUTINE • Check
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 37
    ITEM Engine oil Final gear oil ROUTINE • Check oil level in engine, and add recommended oil to specified level if necessary. • Check ATV for oil leakage. Correct if necessary. • Check ATV for oil leakage. Correct if necessary. • Check operation. If soft or spongy, have Yamaha dealer bleed hydraulic
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 38
    EBU19530 EBU19590 Fuel Make sure that there is sufficient fuel in the tank. (See page 4-9.) EWB00500 Final gear oil Make sure that the final gear oil is at the specified level. Add oil as necessary. (See page 8-15.) EBU27660 WARNING POTENTIAL HAZARD Improper care when refueling. WHAT CAN HAPPEN
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 39
    the brakes at the start of every ride. Do not ride the ATV if you find any problem with the brakes. If a problem cannot be corrected by the adjustment procedures provided in this manual, have a Yamaha dealer check for the cause. EBU19761 Throttle lever Check the operation of the throttle lever
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 40
    EBU19801 Tires EWB00551 WARNING POTENTIAL HAZARD Operating this ATV with improper tires, or with improper or uneven tire pressure. WHAT CAN HAPPEN Use of improper tires on this ATV, or operation of this ATV with improper or uneven tire pressure, may cause loss of control, increasing your risk of
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 41
    G G G Tire pressure below the minimum specified could cause the tire to dislodge from the rim under severe riding conditions. Minimum tire pressure: Front: 17.0 kPa (2.5 psi) (0.170 kgf/cm²) Rear: 22.0 kPa (3.2 psi) (0.220 kgf/cm²) Use no more than the following pressures when seating the tire
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 42
    5 Recommended pressure: Front 20.0 kPa (2.9 psi) (0.200 kgf/cm²) Rear 25.0 kPa (3.6 psi) (0.250 kgf/cm²) Minimum: Front 17.0 kPa (2.5 psi) (0.170 kgf/cm²) Rear 22.0 kPa (3.2 psi) (0.220 kgf/cm²) Maximum: Front 23.0 kPa (3.3 psi) (0.230 kgf/cm²) Rear 28.0 kPa (4.1 psi) (0.280 kgf/cm²) EBU19830 1.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 43
    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 your Yamaha dealer. 6 CAUTION: See the "Engine break-in" section on page
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 44
    4. Shift the transmission into neutral. The neutral indicator light should come on. If the indicator light does not come on, have a Yamaha dealer check the electrical circuit. NOTE: The engine can be started under the following conditions: G The transmission is in neutral. G The rear brake lever is
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 45
    G If the battery is discharged, pull the recoil starter to start the engine. EBU20291 Starting a warm engine Follow the same procedure as for starting a cold engine, with the exception that the starter (choke) is not required when the engine is warm. Instead, start the engine with the throttle
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 46
    4. Move the drive select lever to the rear until it completely stops. 6 1. Forward "F" 2. Reverse "R" 3. Drive select lever 4. Release the brake pedal, and then open the throttle lever gradually. Shifting: Forward to Reverse NOTE: To shift into reverse, the transmission must be in first gear. 1.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 47
    EWB00660 WARNING POTENTIAL HAZARD Improperly operating in reverse. WHAT CAN HAPPEN You could hit an obstacle or even a person behind you, resulting in serious injury. HOW TO AVOID THE HAZARD When you shift into reverse, make sure there are no people or obstacles behind you. When it is safe to
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 48
    5. Shift into second gear and release the shift pedal. 6. Open the throttle gradually. 7. Follow the same procedure when shifting to the next higher gear. EWB00690 EWB00650 WARNING POTENTIAL HAZARD Engaging a lower gear when the engine speed is too high. WHAT CAN HAPPEN The wheels could stop
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 49
    throttle at any time. 320 km (200 mi) or 20 hours and beyond The ATV can now be operated normally. ECB00220 CAUTION: If any engine trouble should occur during the engine break-in period, immediately have a Yamaha dealer check the ATV. EBU20721 6 Parking When parking the ATV, stop the engine
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 50
    HOW TO AVOID THE HAZARD Avoid parking on hills or other inclines. If you must park on an incline, place the ATV transversely across the incline, shift into first gear, stop the engine, apply the parking brake, and then block the front and rear wheels with rocks or other objects. Do not park the ATV
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 51
    EBU20910 Accessories and loading EBU20920 Accessories Accessories can affect the handling and control of your ATV. Keep the following in mind when considering an accessory or operating an ATV which has accessories. G Choose only accessories designed for your ATV. Your Yamaha dealer has a variety
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 52
    6 MAXIMUM LOADING LIMIT ATV loading limit (total weight of rider, cargo, accessories, and tongue): 165.0 kg (364 lb) Front carrier: 30.0 kg (66 lb) Rear carrier: 45.0 kg (99 lb) Trailer hitch: Pulling load (total weight of trailer and cargo): 3230 N (727 lbf) (330 kgf) Tongue weight (vertical
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 53
    EWB00750 WARNING POTENTIAL HAZARD Overloading this ATV or carrying or towing cargo improperly. WHAT CAN HAPPEN Could cause changes in ATV handling which could lead to an accident. HOW TO AVOID THE HAZARD Never exceed the stated load capacity for this ATV. Cargo should be properly distributed and
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 54
    EBU21131 RIDING YOUR ATV 7 7-1
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 55
    recreation and utility use. This section, Riding your ATV, provides general ATV riding instructions for recreational riding. The skills and techniques described in this section, however, are you have read this Owner's Manual completely and understand the operation of the controls. Pay partic- 7 7-2
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 56
    in the course and the operating techniques described in this Owner's Manual. For more information about the training course, contact an authorized age. EWB00901 WARNING 7 POTENTIAL HAZARD Operating this ATV without proper instruction. WHAT CAN HAPPEN The risk of an accident is greatly increased if
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 57
    WHAT CAN HAPPEN Use by children of ATVs that are not recommended for their age can lead to severe injury or death of the child. HOW TO AVOID THE HAZARD A child under 16 should never operate an ATV with engine size greater than 90 cc. 7 7-4
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 58
    This ATV is designed to carry operator and cargo only - passengers prohibited. EWB00910 WARNING POTENTIAL HAZARD Carrying a passenger on this ATV. WHAT CAN HAPPEN Greatly reduces your ability to balance and control this ATV. Could cause an accident, resulting in harm to you and/or your passenger.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 59
    Apparel EWB00920 WARNING POTENTIAL HAZARD Operating this ATV 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.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 60
    Do not operate after consuming alcohol or drugs. The operator's performance capability is reduced by the influence of alcohol or drugs. HOW TO AVOID THE HAZARD Never consume alcohol or drugs before or while driving this ATV. 7 EWB00930 WARNING POTENTIAL HAZARD Operating this ATV after consuming
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 61
    use it to make sure the ATV is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in the Owner's Manual. EWB00950 WHAT CAN HAPPEN Use of improper tires on this ATV, or operation of this ATV with improper or uneven tire pressure, may cause
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 62
    EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. Do not operate at speeds too fast for your skills or the conditions. EWB00960 the maximum engine power available and decreases the maximum speed of the ATV. Turning in the adjusting screw decreases top
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 63
    and securely attached. Reduce speed when carrying cargo or pulling a trailer. Allow greater distance for braking. Always follow the instructions in your Owner's Manual for carrying cargo or pulling a trailer. 7 WARNING POTENTIAL HAZARD Overloading this ATV or carrying or towing cargo improperly
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 64
    During operation Always keep your feet on the footboards during operation, otherwise they may contact the rear wheels. WHAT CAN HAPPEN Removing even one hand or foot can reduce your ability to control the ATV or could cause you to lose your balance and fall off of the ATV. If you remove a foot from
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 65
    should be genuine Yamaha or equivalent components designed for use on this ATV and should be installed and used according to instructions. If you have questions, consult an authorized ATV dealer. Modifications EWB01000 WARNING POTENTIAL HAZARD Operating this ATV with improper modifications. WHAT
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 66
    Exhaust system The exhaust system on the ATV is very hot during and following operation. To prevent burns, avoid touching the exhaust system. Park the ATV in a place where pedestrians or children are not likely to touch it. EWB01010 WARNING POTENTIAL HAZARD Hot exhaust system. WHAT CAN HAPPEN Dry
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 67
    HOW TO AVOID THE HAZARD Always avoid paved surfaces, including sidewalks, driveways, parking lots and streets. EWB01030 WARNING POTENTIAL HAZARD Operating this ATV on public streets, roads or highways. WHAT CAN HAPPEN You can collide with another vehicle. HOW TO AVOID THE HAZARD Never operate this
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 68
    Know the terrain where you ride. Ride cautiously in unfamiliar areas. Stay alert for holes, rocks, or roots in the terrain, and other hidden hazards which may cause the ATV to upset. EWB01040 WARNING POTENTIAL HAZARD Failure to use extra care when operating this ATV on unfamiliar terrain. WHAT CAN
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 69
    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 ATV on such terrain. Always be especially cautious on these kinds of terrain. EWB01060 7 WARNING When riding in an area where you might
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 70
    ATV is designed for off-road use only, and handling maneuvers are more difficult to perform on pavement. Set the parking brake and follow the instruction on page 6-1 to start the engine. Once it has warmed up you are ready to begin riding your ATV. As you get on the ATV
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 71
    When slowing down or stopping, release the throttle and apply the brakes smoothly and evenly. As you slow down, shift to a lower gear. Be sure that the engine has sufficiently slowed before engaging a lower gear. Improper use of the brakes or shifting can cause the tires to lose traction, reducing
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 72
    Always follow proper procedures for turning as described in this Owner's Manual. Practice turning at low speeds before attempting to turn at faster your skills or the conditions. 1. Lean towards inside of turn. 2. Support your weight on the outer footboard. This procedure should be practiced at
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 73
    may continue to go straight. If the ATV doesn't turn, come to a stop and then practice the procedure again. If the riding surface is slippery or loose, it may help to position more of your weight over the front wheels by moving forward on the seat. Once you have learned this technique, you should be
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 74
    of control or cause the ATV to overturn. HOW TO AVOID THE HAZARD Always follow proper procedures for climbing hills as described in this Owner's Manual. Always check the terrain carefully before you start up any hill. Never climb hills with excessively slippery or loose surfaces. Shift your weight
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 75
    7 7-22
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 76
    until you have mastered the turning technique as described in the Owner's Manual on level ground. Be very careful when turning on any hill. of a hill: Always follow proper procedures as described in the Owner's Manual. Avoid hills with excessively slippery or loose surfaces. Shift your weight to
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 77
    brake. Dismount on uphill side or to a side if pointed straight uphill. Turn the ATV around and remount, following the procedure described in the Owner's Manual. 7 7-24
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 78
    react to obstacles which may appear. EWB01130 HOW TO AVOID THE HAZARD Always follow proper procedures for going down hills as described in this Owner's Manual. Note: a special technique is required when braking as you go down a hill. Always check the terrain carefully before you start down any hill
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 79
    7 7-26
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 80
    hill until you have mastered the turning technique as described in the Owner's Manual on level ground. Be very careful when turning on any hill. Avoid a hill: Always follow proper procedures as described in the Owner's Manual. Avoid hills with excessively slippery or loose surfaces. Shift your weight
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 81
    7 7-28
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 82
    an accident. HOW TO AVOID THE HAZARD Never operate this ATV in fast flowing water or in water deeper than that specified in your Owner's Manual. Remember that wet brakes may have reduced stopping ability. Test your brakes after leaving water. If necessary, apply them several times to let friction
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 83
    1. Air filter case check hose ECB00290 CAUTION: After riding your ATV in water, be sure to drain the trapped water by removing the check hose at the bottom of the air filter case, the drive select lever box check hose, and the storage compartment check hose. Wash the ATV in fresh water if it has
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 84
    large obstacles, such as large rocks or fallen trees. When you go over obstacles, always follow proper procedures as described in the Owner's Manual. 1. Storage compartment check hose 7 RIDING OVER ROUGH TERRAIN Riding over rough terrain should be done with caution. Look out for obstacles which
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 85
    If the rear wheels of your ATV start to slide sideways, control can usually be regained (if there is room to do so) by steering in the direction of the slide. Applying the brakes or accelerating is not recommended until you have corrected the slide. 7 7-32
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 86
    on extremely slippery surfaces such as ice, since all control may be lost. EWB01170 WHAT TO DO IF...This section is designed to be a reference guide only. Be sure to read each section on riding techniques completely. WHAT TO DO...G If your ATV doesn't turn when you want it to: Bring
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 87
    G G THE REAR BRAKE - the ATV may tip over on top of you. Dismount the ATV on the uphill side. (See page 7-21.) If your ATV is traversing a sloping surface: Be sure to ride with your weight positioned towards the uphill side of the ATV to maintain proper balance. If the ATV starts to tip, steer
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 88
    maintenance and lubrication chart should be considered as a general guide under normal riding conditions. However, DEPENDING ON THE WEATHER dealer perform the service if you are not familiar with maintenance work. EBU21720 Owner's manual and tool kit Be sure to put this owner's manual in the plastic
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 89
    this ATV and should be installed and used according to instructions. If you have questions, consult an authorized Yamaha ATV dealer. 1. Owner's manual 2. Owner's tool kit 3. Low-pressure tire gauge The service information included in this manual and the tools provided in the owner's tool kit are
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 90
    EBU21742 Periodic maintenance chart for the emission control system NOTE: G For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals. G For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. However, keep in
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 91
    INITIAL NO. ITEM CHECK OR MAINTENANCE JOB Whichever comes first month km (mi) hours 6 7 * Exhaust system Spark arrester • Check for leakage and replace gasket(s) if necessary. • Check for looseness and tighten all screw clamps and joints if necessary. • Clean. 1 320 (200) 20 3 1300 (800) 80 6 EVERY
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 92
    EBU21864 General maintenance and lubrication chart INITIAL NO. ITEM CHECK OR MAINTENANCE JOB Whichever comes first month km (mi) hours 1 2 3 * * Air filter element Clutch Front brake • Clean and replace if necessary. • Check operation and adjust if necessary. • Check operation and correct if
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 93
    INITIAL NO. ITEM CHECK OR MAINTENANCE JOB Whichever comes first month km (mi) hours 9 10 11 12 13 14 15 16 17 18 19 20 Swingarm pivots Chassis fasteners Shock absorber assemblies Steering shaft Steering system Axle boots Engine oil Engine oil filter element Engine oil strainer Final gear oil Moving
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 94
    ) (3200) 160 160 320 22 23 * * 24 * Battery 8 EBU28390 NOTE: G The air filter needs more frequent service if you are riding in unusually wet or dusty areas. G Hydraulic brake service • Regularly check and, if necessary, correct the brake fluid level. • Every two years replace the internal
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 95
    EWB00010 WARNING Indicates a potential hazard that could result in serious injury or death. EBU23211 Checking the spark plug The spark plug is an important engine component, which is easy to check. Since heat and deposits will cause any spark plug to slowly erode, the spark plug should be removed
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 96
    normally). NOTE: If the spark plug shows a distinctly different color, the engine could be operating improperly. Do not attempt to diagnose such problems yourself. Instead, have a Yamaha dealer check the ATV. 2. Check the spark plug for electrode erosion and excessive carbon or other deposits, and
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 97
    3. Install the spark plug with the spark plug wrench, and then tighten it to the specified torque. Tightening torque: Spark plug: 17.5 Nm (1.75 m·kgf, 12.7 ft·lbf) NOTE: If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4-1/2 turn past
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 98
    4. Insert the dipstick into the filler hole (without screwing it in), and then remove it again to check the oil level. NOTE: The engine oil should be between the minimum and maximum level marks. 5. If the engine oil is at or below the minimum level mark, add sufficient oil of the recommended type to
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 99
    1. Footboard 2. Bolt 1. Brake pedal free play adjusting nut 6. Fully loosen the brake pedal free play adjusting nut, and push the brake pedal downward. 7. Move the drive select lever safety system cable away from the oil filter element cover. 8. Remove the oil filter element cover by removing the
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 100
    1. 2. 3. 4. Oil filter element cover Adjusting nut Bolt Drive select lever safety system cable 1. Oil filter element 2. O-ring 8 ECB00340 CAUTION: Do not loosen the adjusting nuts shown when removing the oil filter element cover or oil filter element. 9. Clean the oil strainer and oil filter
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 101
    13. Install the oil strainer, compression spring, Oring and engine oil drain bolt, and then tighten the engine oil drain bolt to the specified torque. ECB00320 NOTE: Be sure to wipe off spilled oil on any parts after the engine and exhaust system have cooled down. ECB00300 CAUTION: Before
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 102
    EBU23381 Final gear oil The final gear case must be checked for oil leakage before each ride. If any leakage is found, have a Yamaha dealer check and repair the ATV. In addition, the final gear oil level must be checked and the oil changed as follows at the intervals specified in the periodic
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 103
    To change the final gear oil 1. Remove the final gear case guard by removing the bolts. 1. Final gear oil 2. Correct oil level 3. Final gear oil filler bolt 3. If the oil is below the brim of the filler hole, add sufficient oil of the recommended type to raise it to the correct level. 4. Install
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 104
    1. Final gear oil drain bolt 5. Install the drain bolt, and then tighten it to the specified torque. 8 Tightening torque: Final gear oil drain bolt: 23 Nm (2.3 m·kgf, 17 ft·lbf) 6. Add the recommended final gear oil to the brim of the filler hole as shown. 1. Final gear oil 2. Correct oil level 3.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 105
    Tightening torque: Final gear oil filler bolt: 23 Nm (2.3 m·kgf, 17 ft·lbf) 8. Check the final gear case for oil leakage. If oil is leaking, check for the cause. 9. Install the final gear case guard by installing the bolts and tightening them to the specified torque. Tightening torque: Final gear
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 106
    1. Air filter case cover 2. Air filter case cover holder 1. Air filter element assembly 3. Pull the air filter element assembly out of the air filter case. 8 4. Remove the sponge material from the air filter element. 8-19
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 107
    6. Squeeze the excess water or solvent out of the sponge material and let it dry. ECB00470 CAUTION: Do not twist the sponge material when squeezing it. G Do not apply oil to the sponge material. G 1. Air filter element 2. Sponge material 5. Clean the sponge material with water or solvent.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 108
    fold fittings for an air-tight seal. Tighten all fittings securely to avoid the possibility of unfiltered air entering the engine. ECB00460 8 9. Pull the sponge material over the air filter element. 10. Insert the air filter element assembly into the air filter case, and then install the air
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 109
    EWB01930 WARNING POTENTIAL HAZARD Improperly purging the exhaust system. Hot exhaust system. WHAT CAN HAPPEN Could injure the eyes. Could cause burns. Could cause carbon monoxide poisoning, possibly leading to death. Could start a fire. HOW TO AVOID THE HAZARD When purging the exhaust system:
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 110
    requires very sophisticated adjustment. Therefore, most carburetor adjustments should be left to a Yamaha dealer, who has the necessary professional knowledge and experience. The adjustment described in the following section, however, may be performed by the owner as part of routine maintenance.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 111
    NOTE: If the specified idling speed cannot be obtained as described above, have a Yamaha dealer make the adjustment. EBU24043 Adjusting the throttle cable free play The throttle cable free play should be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 112
    EBU24070 Adjusting the drive select lever safety system cable The drive select lever safety system cable stretches with use, which can result in improper function. Therefore, the safety system cable should be checked and adjusted at the intervals specified in the periodic maintenance and
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 113
    shoe has worn to the point that the wear indicator reaches the wear limit line or mark, have a Yamaha dealer replace the brake shoes as a set. 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. 1. Wear
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 114
    leaking. G Oil seals: Replace every two years. G Brake hoses: Replace every four years. 8-27 1. Brake lever free play EWB02010 WARNING POTENTIAL HAZARD Operating with improperly serviced or adjusted brakes.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 115
    WHAT CAN HAPPEN You could lose braking ability, which could lead to an accident. HOW TO AVOID THE HAZARD After servicing: G Make sure the brakes operate smoothly and that the free play is correct. G Make sure the brakes do not drag. G Make sure the brakes are
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 116
    2. Loosen the locknuts at the brake pedal. 3. Turn the brake pedal position adjusting bolt at the brake pedal in direction (a) to raise the brake pedal, and in direction (b) to lower it. 4. Tighten the locknuts at the brake pedal. Adjusting the brake pedal free play The brake pedal free play should
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 117
    1. Brake lever free play 2. Locknut 3. Brake lever free play adjusting bolt 1. Loosen the locknut at the brake lever and fully turn in the brake lever free play adjusting bolt. 2. Turn the brake lever free play adjusting nut at the brake camshaft lever so that gap "A" measures 0-1 mm (0-0.04 in)
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 118
    WHAT CAN HAPPEN You could lose braking ability, which could lead to an accident. HOW TO AVOID THE HAZARD After servicing: G Make sure the brakes operate smoothly and that the free play is correct. G Make sure the brakes do not drag. Replacement of brake components requires
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 119
    The brake light switch for the brake pedal can be adjusted as follows, but the other brake light switches should be adjusted by a Yamaha dealer. 1. Remove the footboard. (See "Engine oil" on page 8-10 for removal and installation procedures.) NOTE: The brake light switch is properly adjusted when
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 120
    NOTE: When tightening the locknut, hold the clutch adjusting screw with a screwdriver so that it does not turn together with the locknut. 5. Install the footboard. EBU24890 Checking and lubricating the cables The operation and the condition of all control cables should be checked before each ride,
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 121
    WHAT CAN HAPPEN Corrosion can result when the cable sheaths become damaged, and cables can also become frayed or kinked, which could restrict the operation of controls and lead to an accident or injury. HOW TO AVOID THE HAZARD Inspect cables frequently. Replace damaged cables. EBU28710 Front brake
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 122
    EBU28870 EBU24962 Checking and lubricating the brake pedal The operation of the brake pedal should be checked before each ride, and the pedal pivot should be lubricated if necessary. Recommended lubricant: Lithium-soap-based grease (all-purpose grease) Checking the wheel hub bearings The front
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 123
    1. Grease nipple EBU25191 1. Battery cover 3. Check the electrolyte level in the battery. 8 Battery A poorly maintained battery will corrode and discharge quickly. The electrolyte level, battery lead connections and breather hose routing should be checked before each ride and at the intervals
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 124
    EWB02140 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
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 125
    5. Check and, if necessary, tighten the battery lead connections and correct the breather hose routing. 6. Install the battery cover. To store the battery If the ATV will not be used for more than one month, the battery will need to be removed and stored as follows. 1. Remove the battery cover by
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 126
    To install the battery NOTE: Be sure the battery is fully charged. 1. Install the battery. 2. Connect the positive battery lead. 3. Install the battery bracket by installing the bolts. 4. Connect the negative battery lead. 5. Make sure that the breather hose is properly routed, in good condition,
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 127
    1. Turn the key to "OFF" and turn off all electrical circuits. ECB00640 CAUTION: To prevent accidental short-circuiting, turn off the main switch when checking or replacing a fuse. 2. Remove the blown fuse, and then install a new fuse of the specified amperage. Specified fuse: 20.0 A EWB02151 3.
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 128
    4. Remove the defective bulb by pulling it out. EWB02180 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
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 129
    ECB00670 CAUTION: Make sure the headlight bulb holder cover is securely fitted over the bulb holder and seated properly. 8. Adjust the headlight beam if necessary. EBU25550 Adjusting a headlight beam ECB00690 1. Do not touch the glass part of the bulb. ECB00650 CAUTION: It is advisable to have a
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 130
    1. Headlight beam adjusting screw EBU25610 1. Tail/brake light bulb holder Replacing the tail/brake light bulb 8 If the tail/brake light bulb burns out, replace it as follows. 1. Remove the bulb holder (together with the bulb) by turning it counterclockwise. 2. Remove the defective bulb by
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 131
    1. Tail/brake light bulb holder 2. Tail/brake light bulb 1. Wheel nut 3. Insert a new bulb into the bulb holder, push it in, and then turn it clockwise until it stops. 4. Install the bulb holder (together with the bulb) by turning it clockwise. EBU25650 2. Elevate the ATV and place a suitable
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 132
    G Tapered nuts are used for both the front and rear wheels. Install the nuts with their tapered side towards the wheel. 1. Tapered nut 1. Arrow mark 8 2. Lower the ATV to the ground. 3. Tighten the wheel nuts to the specified torques. Tightening torques: Front wheel nut: 55 Nm (5.5 m·kgf, 40 ft
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 133
    trouble may occur during operation. Any problem in the fuel, compression, or ignition systems, for example, can cause poor starting and loss of power. The following troubleshooting parts, but they are often inferior, have a shorter service life and can lead to expensive repair bills. EWB02260 HOW
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 134
    EBU25791 Troubleshooting chart 1. Fuel There is enough fuel. Check the fuel level in the fuel tank. There is no fuel. Supply fuel. Check the compression. The engine
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 135
    EBU25860 CLEANING AND STORAGE EBU25870 Cleaning Frequent, thorough cleaning of your ATV will not only enhance its appearance but will improve its general performance and extend the useful life of many components. 1. Before cleaning the ATV: a. Block off the end of the exhaust pipe to prevent water
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 136
    and, if necessary, protect it against dust with a porous cover. ECB00720 Long-term Before storing your ATV for several months: 1. Follow all the instructions in the "Cleaning" section of this chapter. 2. Turn the fuel cock lever to "OFF". 3. Drain the carburetor float chamber by loosening the drain
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 137
    6. 7. 8. 9. b. Pour a teaspoonful of engine oil into the spark plug bore. c. Install the spark plug cap onto the spark plug, and then place the spark plug on the cylinder head so that the electrodes are grounded. (This will limit sparking during the next step.) d. Turn the engine over several
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 138
    cylinder Displacement: 229.6 cm³ Bore × stroke: 71.0 × 58.0 mm (2.80 × 2.28 in) -20˚ -10˚ 0˚ 10˚ 20˚ 30˚ 40˚ 50˚C Recommended engine oil grade: API service SG type or higher, JASO standard MA Engine oil quantity: Without oil filter element removal: 1.50 L (1.59 US qt) (1.32 Imp.qt) 10-1
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 139
    With oil filter element removal: 1.60 L (1.69 US qt) (1.41 Imp.qt) Transmission: Primary reduction system: Spur gear Primary reduction ratio: 73/22 (3.318) Secondary reduction system: Shaft drive Secondary reduction ratio: 19/18 × 46/11 (4.414) Transmission type: Constant mesh 5-speed.forward, 1-
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 140
    Trail: 20.0 mm (0.79 in) Front tire: Type: Tubeless Size: AT22 x 7.00-10 Manufacturer/model: MAXXIS/M905 Maximum: Front: 23.0 kPa (3.3 psi) (0.230 kgf/cm²) Rear: 28.0 kPa (4.1 psi) (0.280 kgf/cm²) Front wheel: Wheel type: Panel wheel Rim size: 10 x 6.0AT Rear tire: Type: Tubeless Size: AT22 x 10
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 141
    Spring/shock absorber type: Coil spring/oil damper Wheel travel: 125 mm (5.0 in) Reverse indicator light: 12 V, 1.7 W × 1 Fuse: Fuse: 20.0 A Rear suspension: Type: Swingarm (monocross) Spring/shock absorber type: Coil spring/oil damper Wheel travel: 135 mm (5.3 in) Electrical system: Ignition
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 142
    EBU25981 CONSUMER INFORMATION EBU26011 EBU26020 Identification numbers Record the key identification number, vehicle identification number and model label information in the spaces provided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the ATV is
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 143
    1. Vehicle identification number 1. Model label NOTE: The vehicle identification number is used to identify your ATV. EBU26050 Model label The model label is affixed at the location in the illustration. Record the information on this label in the space provided. This information will be needed
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 144
    EBU26060 Noise regulation TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED: Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inoperative by any person other than for purposes of maintenance, repair, or replacement of any device or element of design
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 145
    ) 15000 (9600) 17500 (11200) 20000 (12800) 22500 (14400) 25000 (16000) hours 20 80 160 320 480 640 800 960 1120 1280 1440 1600 DATE OF SERVICE MILEAGE SERVICING DEALER NAME AND ADDRESS REMARKS 11 11-4
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 146
    to: 1. Operate and maintain the ATV as specified in the appropriate owner's manual; 2. Give notice to an authorized Yamaha ATV dealer of any and all An inspection and registration fee will be charged for this service. EMISSION CONTROL SYSTEM WARRANTY Yamaha Motor Corporation, USA also warrants
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 147
    specified in the Owner's and Service Manual. We do recommend, however, service, you must take it to any authorized Yamaha ATV dealer within the continental United States. Be sure to bring your warranty registration card or other valid proof of the original date of purchase. If a question or problem
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 148
    no extra cost. TRIP gives you up to $150 reimbursement per occurrence for any reasonable expenses you incur because your Yamaha needs covered service: replacement vehicle rental, emergency towing, phone calls, even food and lodging when you are away from home. This superb coverage goes into effect
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 149
    isn ' t convenient, contact Yamaha with your Primar y ID number (your frame number). We ' ll be happy to help you get the Y.E.S. coverage you need. Yamaha Service Marketing P.O. Box 6555 Cypress, CA 90630 11 WARNING Indicates a potential hazard that could result in serious injury or death. 11-8
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 150
    EBU26132 11 11-9
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 151
    INDEX A Accessories and loading ...6-9 Air filter element, cleaning ...8-18 Axle boots ...8-31 Drive select lever and driving in reverse ...6-3 Drive select lever safety system cable, adjusting ...8-25 E Engine break-in ...6-7 Engine, cold start ...6-1 Engine idling speed ...8-23 Engine oil ...5-3
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 152
    lever ...4-3, 5-4 Tire pressure, measuring ...5-6 Tires ...5-5 Tire wear limit ...5-7 Troubleshooting ...8-46 Troubleshooting chart ...8-47 N Neutral indicator light ...4-2 Noise regulation ...11-3 O Owner's manual and tool kit ...8-1 P Parking ...6-7 Parking brake ...4-6 Parking on a slope
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 153
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 154
    and control. with a passenger-passengers affect balance and steering and increase risk of losing control. LOCATE AND READ OWNER'S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. (For replacement manual, call 1-800-532-1558) NEVER operate: YAMAHA MOTOR CO., LTD. PRINTED IN USA 2007.05-0.7×1 CR (E)
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 155
  • 2008 Yamaha Motorsports Big Bear 250 | Owners Manual - Page 156
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READ THIS MANUAL CAREFULLY!
It contains important safety information.
This ATV should not be ridden by anyone under 16 years of age.
WARNING
OWNER’S MANUAL
1P0-F8199-13
LIT-11626-21-16
YFM25BX