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Yamaha YFM250R-W Owner's Manual
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Yamaha YFM250R-W Owner's Manual

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READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER'S MANUAL
YFM250R-W
YFM250RSE-W
33B-F8199-70

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Summary of Contents for Yamaha YFM250R-W

  • Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM250R-W YFM250RSE-W 33B-F8199-70...
  • Page 2 EBU28980 Read this manual carefully before operating this vehicle. This manual should stay with this ve- hicle if it is sold.
  • Page 3 Congratulations on your purchase of the Yamaha YFM250R-W/YFM250RSE-W. This ATV represents the result of many years of Yamaha experience in the production of fine sporting, touring, and pacesetting rac- ing machines. With the purchase of this Yamaha, you can now appreciate the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields.
  • Page 4 EBU17330 IMPORTANT MANUAL INFORMATION EBU17342 FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS IN- JURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: This is the safety alert symbol. It is used to alert you to potential per- sonal injury hazards.
  • Page 5 IMPORTANT NOTICE EBU17370 Welcome to the Yamaha world of motor sports! This ATV is designed and manufactured for use on UNPAVED surfaces only. It is unsafe to operate this ATV on any paved surface, paved street, paved road or motorway.

  • Page 6: Table Of Contents

    Pre-operation check list ......5-1 Speed limiter ..........4-5 Fuel .............5-3 Clutch lever ..........4-6 Engine oil ............5-3 Brake lever (YFM250R-W) ......4-6 Front and rear brakes .........5-3 Brake lever (YFM250RSE-W) ..... 4-7 Throttle lever ..........5-4 Brake pedal ..........4-7 Drive chain ..........5-4 Parking brake lever ........
  • Page 7 Tire wear limit ..........5-6 WHAT TO DO..........7-23 Chassis fasteners ........5-6 Instruments, lights and switches ....5-6 PERIODIC MAINTENANCE AND MINOR REPAIR ............8-1 OPERATION ..........6-1 Owner’s manual and tool kit .......8-1 Starting a cold engine ........ 6-1 Periodic maintenance chart for the Starting a warm engine ......
  • Page 8 Checking and lubricating the cables ..8-32 SPECIFICATIONS ........10-1 Checking and lubricating the brake and clutch levers ........... 8-33 CONSUMER INFORMATION.......11-1 Checking the shift pedal ......8-34 Identification numbers .......11-1 Checking and lubricating the brake pedal ............8-34 Checking the wheel hub bearings .... 8-34 Lubricating the swingarm pivots ....

  • Page 9: Safety Information

    EBU17430 SAFETY INFORMATION EBU17592 Never carry a passenger on an ATV. Always avoid operating an ATV on any paved AN ATV IS NOT A TOY AND CAN BE HAZARD- surfaces, including sidewalks, driveways, park- OUS TO OPERATE. ing lots and paved streets. An ATV handles differently from other vehicles, in- Never operate an ATV on any paved street, cluding motorcycles and cars.
  • Page 10 Always inspect your ATV each time you use it to Always follow proper procedures for climbing make sure it is in safe operating condition. Al- hills as described in this manual. Check the ter- ways follow the inspection and maintenance rain carefully before you start up any hill.
  • Page 11 speed when climbing a hill. If you stall or roll Always use the size and type of tires specified in backwards, follow the special procedure for this manual. braking described in this manual. Dismount on Always maintain proper tire pressure as de- the uphill side or to a side if pointed straight up- scribed in this manual.
  • Page 12 When transporting the ATV in another vehi- EWB00070 WARNING cle, be sure it is kept upright and that the fuel cock is in the “OFF” position. Otherwise, fuel Always operate your ATV in an area with ade- may leak out of the carburetor or fuel tank. quate ventilation.

  • Page 13: Location Of The Warning And Specification Labels

    EBU17660 LOCATION OF THE WARNING AND SPECIFICATION LABELS...
  • Page 14 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 replace- ment label from your Yamaha dealer.

  • Page 17: Description

    EBU17680 DESCRIPTION EBU17690 EBU17700 Left view Right view 2 3 4 1. Headlight 1. Spark arrester 2. Fuel cock 2. Seat 3. Starter (choke) 3. Fuel tank cap 4. Throttle stop screw 4. Steering lock 5. Fuse 5. Oil filter element 6.

  • Page 18: Controls And Instruments

    EBU17712 Controls and instruments The ATV you have purchased may differ slightly from the figures shown in this manual. 1. Clutch lever 2. Handlebar switches 3. Speedometer unit 4. Parking brake lever 5. Main switch 6. Engine stop switch 7. Throttle lever 8.

  • Page 19: Instrument And Control Functions

    EBU17732 INSTRUMENT AND CONTROL FUNCTIONS EBUM0020 Main switch The positions of the main switch are as follows: All electrical systems are supplied with power. The auxiliary light, meter lighting and taillight come on when the light switch is on, and the engine can be started.

  • Page 20: Indicator Lights

    EBU17791 EBU27980 Indicator lights High beam indicator light “ ” This indicator light comes on when the high beam of the headlight is switched on. EBU28050 Speedometer The speedometer shows the riding speed. This speedometer is equipped with an odometer. The odometer shows the total distance traveled.

  • Page 21: Handlebar Switches

    EBU18061 Handlebar switches 1. Engine stop switch “ ” EBU18080 1. Light switch “ / ” Engine stop switch “ ” 2. Start switch “ ” Set this switch to “ ” before starting the engine. 3. Horn switch “ ”...

  • Page 22: Throttle Lever

    ECB00050 EBU18170 Horn switch “ ” NOTICE Press the switch to sound the horn. See the starting instructions on page 6-1 prior to starting the engine. EBUM0220 Hazard switch “ ” Turn this switch to “ ” to turn on the hazard lights EBU28061 Light switch “...

  • Page 23: Speed Limiter

    If the throttle does not work smoothly, check for the cause. Correct the problem be- fore riding the ATV or consult a Yamaha dealer. 1. Locknut 2. Adjusting screw 3. No more than 12 mm (0.47 in)

  • Page 24: Clutch Lever

    (See page 8-20.) 1. Clutch lever EBU18411 EBU18382 Brake lever (YFM250R-W) Clutch lever The brake lever is located at the right handlebar The clutch lever is located on the left handlebar grip. To apply the front brake, pull the brake lever and the ignition circuit cut-off system is incorporat- toward the handlebar grip.

  • Page 25: Brake Lever (Yfm250Rse-W)

    1. Brake lever 1. Brake lever 2. Locknut EBU18421 3. Brake lever position adjusting bolt Brake lever (YFM250RSE-W) 4. Distance between brake lever and handlebar grip The brake lever is located on the right handlebar. To apply the front brake, pull the brake lever to- EBU28070 Brake pedal ward the handlebar grip.

  • Page 26: Parking Brake Lever

    1. Brake pedal 1. Parking brake lever (locked position) EBU18520 Parking brake lever Use the parking brake before starting the engine or parking the ATV, especially on a slope. To apply the parking brake, move the parking brake lever in direction (a).

  • Page 27: Shift Pedal

    EWB00220 WARNING Always set the parking brake before starting the engine. The ATV could start moving un- expectedly if the parking brake is not ap- plied. This could cause loss of control or a collision. Always be sure you have released the park- ing brake before you begin to ride.

  • Page 28: Fuel

    1. Fuel tank cap 1. Fuel level 2. Filler tube EBU28940 Fuel Recommended fuel: Make sure that there is sufficient fuel in the tank. Regular unleaded gasoline only with a re- Fill the fuel tank to the bottom of the filler tube as search octane number of 91 or higher shown.

  • Page 29: Fuel Cock

    ECB00070 NOTICE Use only unleaded gasoline. The use of leaded gasoline will cause severe damage to internal engine parts, such as the valves and piston rings, as well as to the exhaust system. EWB00310 WARNING Do not overfill the fuel tank. Fuel expands when it heats up.

  • Page 30: Starter (Choke)

    1. Arrow mark positioned over “ON” 1. Arrow mark positioned over “RES” With the fuel cock lever in this position, fuel flows This indicates reserve. With the fuel cock lever in to the carburetor. Turn the fuel cock lever to this this position, the fuel reserve is made available.

  • Page 31: Steering Lock

    Move the starter (choke) in direction (b) to turn off EBU28010 Steering lock the starter (choke). See the “Starting a cold engine” section on page 6-1 for proper operation. 1. Steering lock cap 2. Steering lock 1. Starter (choke) To lock the steering 1.

  • Page 32: Seat

    1. Projection 2. Seat holder EBU18991 Adjusting the front shock absorber as- semblies (YFM250R-W) The spring preload can be adjusted to suit the rid- er’s weight and the riding conditions. 1. Seat lock lever Adjust the spring preload as follows.

  • Page 33: Adjusting The Front Shock Absorber Assemblies (Yfm250Rse-W)

    Adjusting the front shock absorber as- semblies (YFM250RSE-W) These shock absorber assemblies are equipped A special wrench can be obtained at a Yamaha with a spring preload adjusting nut, a rebound dealer to make this adjustment. damping force adjusting screw, with a compres-...
  • Page 34 2. Locknut 3. Special wrench er for any service. Spring preload A special wrench can be obtained at a Yamaha 1. Loosen the locknut. dealer to make this adjustment. The spring preload setting is determined by measuring distance A, shown in the illustration.
  • Page 35 spring preload. With each complete turn of the Tightening torque: adjusting nut, distance A is changed by 1.5 mm Locknut: (0.06 in). 42 Nm (4.2 m·kgf, 30 ft·lbf) ECB00080 Spring preload setting: NOTICE Minimum (hard): Always tighten the locknut against the adjust- Distance A = 197.6 mm (7.78 in) ing nut, and then tighten it to the specified Standard:...
  • Page 36 Compression damping force Compression damping force (for fast compression damping) To increase the compression damping force and thereby harden the compression damping, turn the adjusting bolt in direction (a). To decrease the compression damping force and thereby soften the compression damping, turn the adjusting bolt in direction (b).
  • Page 37 Compression damping setting (for fast com- pression damping): Minimum (soft): 4 turn(s) out from the fully turned in posi- tion Standard: 2 turn(s) out from the fully turned in posi- tion Maximum (hard): Fully turned in 1. Compression damping force adjusting screw (for slow compression damping) Make sure that the position indicator marks are Compression damping setting (for slow com-...

  • Page 38: Adjusting The Rear Shock Absorber Assembly (Yfm250R-W)

    EBU28240 Adjusting the rear shock absorber as- Although the total number of clicks of a damping sembly (YFM250R-W) force adjusting mechanism may not exactly match The spring preload can be adjusted to suit the rid- the above specifications due to small differences in er’s weight and the riding conditions.
  • Page 39 3. Tighten the locknut to the specified torque. 3. Distance A Tightening torque: Locknut: A special wrench can be obtained at a Yamaha 42 Nm (4.2 m·kgf, 30 ft·lbf) dealer to make this adjustment. The spring preload setting is determined by ECB00080 measuring distance A, shown in the illustration.

  • Page 40: Adjusting The Rear Shock Absorber Assembly (Yfm250Rse-W)

    Take the Do not dispose of a damaged or worn out shock absorber assembly to a Yamaha deal- shock absorber assembly yourself. Take the er for any service. shock absorber assembly to a Yamaha deal- er for any service.
  • Page 41 2. Spring preload adjusting nut Minimum (hard): Distance A = 220.0 mm (8.66 in) Standard: A special wrench can be obtained at a Yamaha Distance A = 228.0 mm (8.98 in) dealer to make this adjustment. Maximum (soft): The spring preload setting is determined by Distance A = 232.0 mm (9.13 in)
  • Page 42 Tightening torque: Locknut: 42 Nm (4.2 m·kgf, 30 ft·lbf) ECB00080 NOTICE Always tighten the locknut against the adjust- ing nut, and then tighten it to the specified torque. Rebound damping force 1. Rebound damping force adjusting dial Turn the adjusting dial in direction (a) to increase the rebound damping force and thereby harden the Rebound damping setting: damping, and in direction (b) to decrease the re-...
  • Page 43 Compression damping force Compression damping setting: Turn the adjusting screw in direction (a) to increase Minimum (soft): the compression damping force and thereby hard- 12 click(s) in direction (b)* en the damping, and in direction (b) to decrease Standard: the compression damping force and thereby soft- 7 click(s) in direction (b)* en the damping.
  • Page 44 EWB02500 WARNING Suspension components become hot during operation. Never touch the compression damping force adjusting screw, the rebound damping force adjusting dial or the oil reser- voir with your bare hand or skin until suspen- sion components have cooled. 4-26...

  • Page 45: Pre-Operation Checks

    Manual. Failure to inspect increases the possibility of an accident or equipment damage. The maintenance of some items in the table has to be performed by a Yamaha dealer. Refer to the periodic maintenance charts on page 8-3 to determine which service should be performed by a Yamaha dealer.
  • Page 46 ITEM ROUTINE PAGE • Check operation. If soft or spongy, have Yamaha dealer bleed hy- draulic system. • Check brake pads for wear, and replace if necessary. Rear brake 5-3, 8-21, 8-22, 8-25 • Check brake fluid level in reservoir, and add recommended brake fluid to specified level if necessary.

  • Page 47: Fuel

    Brake lever and brake pedal (See page 4-10.) Check that there is no free play in the brake le- EWB00520 ver. If there is free play, have a Yamaha dealer WARNING check the brake system. Do not overfill the fuel tank. Fuel expands Check for correct brake pedal height.

  • Page 48: Throttle Lever

    Apply the open smoothly and spring back to the idle position brakes firmly for one minute. If there is any leak- when released. Have a Yamaha dealer correct if age, have a Yamaha dealer check the brake sys- necessary. tem. EBU19770...

  • Page 49: Measuring The Tire Pressure

    Size: Minimum tire pressure: AT21 x 7-10 Front: Type: 24.5 kPa (0.245 kgf/cm², 3.6 psi) Tubeless Rear: Rear: 24.5 kPa (0.245 kgf/cm², 3.6 psi) Manufacturer/model: • Use no more than the following pressures MAXXIS/M976 when seating the tire beads. Size: Maximum tire seating pressure: AT20 x 10-9 Front:...

  • Page 50: Tire Wear Limit

    EBU19830 Tire wear limit Replace the tire when the tire groove decreases to 3 mm (0.12 in). 1. Low-pressure tire gauge Set the tire pressure when the tires are cold. Set the tire pressures to the following specifications: 1. Tire wear limit Recommended pressure: Front EBU19840...

  • Page 51: Operation

    If there is a control or func- indicator light should come on. If the indicator tion you do not understand, ask your Yamaha light does not come on, have a Yamaha deal- dealer. er check the electrical circuit.
  • Page 52 Position (1): 6. Completely close the throttle lever and start Cold engine start with ambient temperature the engine by pushing the start switch. below 5 °C (40 °F). Position (2): If the engine fails to start, release the start switch, Cold engine start with ambient temperature then push it again.

  • Page 53: Starting A Warm Engine

    The engine is warm when it responds normally to the throttle with the starter (choke) turned off. 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 slightly open.
  • Page 54 EWB02401 EBU20650 To decelerate WARNING When slowing down or stopping, release the throt- Stones or mud may come off the rear tires and tle and apply the brakes smoothly and evenly. As be thrown backwards when starting or acceler- you slow down, shift to a lower gear. Be sure that ating.

  • Page 55: Engine Break-In

    There is never a more important period in the life of engine break-in period, immediately have a your engine than the first 320 km (200 mi) or 20 Yamaha dealer check the ATV. hours of riding. For this reason, you should read the following material carefully.

  • Page 56: Parking On A Slope

    Do not park the ATV at all on hills that are so steep you could not walk up them easily. 1. Bring the ATV to a stop by applying the brakes in first gear. 2. Stop the engine and release the clutch lever. 3.

  • Page 57: Accessories And Loading

    However, er, you must use common sense and good it is not possible for Yamaha to test all non- judgment as the stability and handling of an ATV Yamaha accessories, nor control over their qual- can be changed.
  • Page 58 Load cargo on the carriers as close to the center EWB00820 WARNING of the ATV as possible. Put cargo at the rear of the front carrier, at the front of the rear carrier, Never exceed the stated load capacity for this and center it.

  • Page 59: Riding Your Atv

    EBU21141 RIDING YOUR ATV...

  • Page 60: Getting To Know Your Atv

    EBU28122 Become familiar with this ATV at slow speeds first, even if you are an experienced operator. Do not at- tempt to operate at maximum performance until GETTING TO KNOW YOUR ATV you are totally familiar with the ATV’s handling and This ATV is intended for recreational use by expe- performance characteristics.
  • Page 61 Not recommended for children under 16 years This ATV is designed to carry operator only – of age. passengers prohibited. EWB01390 EWB01400 WARNING WARNING A child under 16 should never operate an ATV Never carry a passenger. The long seat is to al- with engine size greater than 90 cc.
  • Page 62 Apparel EWB01410 WARNING Always wear an approved motorcycle helmet that fits properly. Never operate this ATV without wearing an ap- You should also wear: proved motorcycle helmet, eye protection and eye protection (goggles or face shield) protective clothing. Operating without an ap- gloves proved motorcycle helmet increases your boots...
  • Page 63 in the Owner’s Manual. Failure to inspect the ATV before operating or failure to properly maintain the ATV increases the possibility of an accident or equipment damage. EWB01440 WARNING Always use the size and type tires specified in the Owner’s Manual for this ATV on page 5-4. Always maintain proper tire pressure as de- scribed in the Owner’s Manual on page 5-5.
  • Page 64 Speed limiter Loading and accessories For riders less experienced with this model, the As originally equipped, this ATV is not designed to throttle lever housing is equipped with a speed lim- carry cargo or tow a trailer. If you choose to add ac- iter.
  • Page 65 Always follow the instructions in your Own- EWB01470 WARNING er’s Manual for carrying cargo or pulling a trailer. Always keep both hands on the handlebars and both feet on the footboards of your ATV during operation. Removing even one hand or During operation foot can reduce your ability to control the ATV Always keep your feet on the footboards during op-...
  • Page 66 ATV should be gen- Do not operate, idle, or park the ATV in dry uine Yamaha or equivalent components de- grass, dry ground cover, or combustible ma- signed for use on this ATV and should be terials.

  • Page 67: Be Careful Where You Ride

    BE CAREFUL WHERE YOU RIDE This ATV is designed for use on unpaved surfaces only. Riding on paved surfaces can cause loss of control. EWB01510 WARNING While riding on unpaved public streets or roads may be legal in your area, such operation can in- Always avoid paved surfaces, including side- crease the risk of collision with other vehicles.
  • Page 68 EWB01520 EWB01530 WARNING WARNING Never operate this ATV on any paved street, Go slowly and be extra careful when operating paved road or motorway. You can collide with on unfamiliar terrain. Always be alert to chang- another vehicle. In many areas, it is illegal to ing terrain conditions when operating the ATV.
  • Page 69 when operating on excessively rough, slippery or loose terrain could cause loss of traction or ATV control, which could result in an accident, including an overturn. EWB01550 WARNING Always mount a caution flag on the ATV to make you more visible when operating in areas where you might not be seen by other vehicles.
  • Page 70 haust pipe will be hot when riding and afterwards; do not allow skin or clothing to come in contact with these components. With the engine idling, pull the clutch lever to dis- engage the clutch and shift into 1st gear, and then release the parking brake.

  • Page 71: Turning Your Atv

    EWB01720 TURNING YOUR ATV WARNING To achieve maximum traction on unpaved surfac- es, the two rear wheels are mounted solidly on one Always open the throttle gradually and release axle and turn together at the same speed. There- the clutch lever slowly. Otherwise, the ATV could wheelie which would increase the fore, unless the wheel on the inside of the turn is al- chance of an accident.

  • Page 72: Climbing Uphill

    Improper riding procedures such as abrupt throttle changes, excessive braking, incorrect body move- ments, or too much speed for the sharpness of the turn may cause the ATV to tip. If the ATV begins to tip over to the outside while negotiating a turn, lean more to the inside.
  • Page 73 EWB01580 Never go over the top of any hill at high WARNING speed. An obstacle, a sharp drop, or another vehicle or person could be on the other side Never operate the ATV on hills too steep for the of the hill. ATV or for your abilities.
  • Page 74 EWB01600 WARNING Never attempt to turn the ATV around on any hill until you have mastered the turning tech- nique as described in the Owner’s Manual on level ground. Be very careful when turning on any hill. Avoid crossing the side of a steep hill if possible.

  • Page 75: Riding Downhill

    If you start to roll backwards, DO NOT apply the brake pedal to stop or try to put the ATV in gear. The ATV could easily tip over backwards. Instead, apply the front brake gradually, or dismount the ATV immediately on the uphill side. EWB02410 WARNING Use the proper gear and maintain a steady...

  • Page 76: Crossing A Slope

    Whenever possible, ride your ATV straight down- hill. Avoid sharp angles which could allow the ATV to tip or roll over. Carefully choose your path and ride no faster than you will be able to react to ob- stacles which may appear. EWB01620 WARNING Always follow proper procedures for going...

  • Page 77: Crossing Through Shallow Water

    As you travel across a slope, lean your body in the uphill direction. It may be necessary to correct the steering when riding on loose surfaces by pointing the front wheels slightly uphill. When riding on slopes, be sure not to make sharp turns either up or down hill.
  • Page 78 EWB01640 WARNING 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 dry out the lin- ings.

  • Page 79: Riding Over Rough Terrain

    1. Air filter case check hose RIDING OVER ROUGH TERRAIN Riding over rough terrain should be done with cau- tion. Look out for obstacles which could cause ECB00240 damage to the ATV or could lead to an upset or ac- NOTICE cident.

  • Page 80: Sliding And Skidding

    you go over obstacles, always follow proper If the rear wheels of your ATV start to slide side- procedures as described in the Owner’s Manu- ways, control can usually be regained (if there is room to do so) by steering in the direction of the slide.

  • Page 81: What To Do If

    EWB01661 If your ATV starts to slide sideways: WARNING Steer in the direction of the slide if you have the room. Applying the brakes or accelerating is not Learn to safely control skidding or sliding by recommended until you have corrected the practicing at low speeds and on level, smooth terrain.
  • Page 82 BRAKES AND ELECTRICAL EQUIPMENT (turn signals, horn, headlight, etc.) FOR PROP- ER OPERATION when you come out of the wa- ter. Do not continue to ride your ATV until you have regained adequate braking ability. (See page 7-19.) 7-24...

  • Page 83: Periodic Maintenance And Minor Repair

    EBU28782 PERIODIC MAINTENANCE AND MINOR REPAIR EBU21670 otherwise specified. Have a Yamaha dealer perform the service if you are not familiar with Safety is an obligation of the owner. Periodic in- maintenance work. spection, adjustment and lubrication will keep your...
  • Page 84 If you do not have the tools or experience required for a particular job, have a Yamaha dealer perform it for you. EWB01850 WARNING Never modify this ATV through improper in- stallation or use of accessories, as it may cause changes in handling, which in some sit- uations could lead to an accident.

  • Page 85: Periodic Maintenance Chart For The Emission Control System

    However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance intervals should be followed. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
  • Page 86 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours • Check for leakage and replace gasket(s) if neces- sary. √ √ √ Exhaust system • Check for looseness and tighten all screw clamps and joints if necessary.

  • Page 87: General Maintenance And Lubrication Chart

    EBU21864 General maintenance and lubrication chart INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours Every 20–40 hours (more often in wet or Air filter element • Clean and replace if necessary. dusty areas) √...
  • Page 88 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours • Check operation and for excessive play, and re- √ √ √ Swingarm pivots place bearings if necessary. •...
  • Page 89 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours Moving parts and √ √ √ √ 21 * • Lubricate. cables • Check operation and correct if necessary. Throttle lever hous- •...

  • Page 90: Checking The Spark Plug

    If the spark plug shows a distinctly different color, the engine could be operating improperly. Do not attempt to diagnose such problems yourself. In- stead, have a Yamaha dealer check the ATV. 1. Spark plug cap 2. Check the spark plug for electrode erosion 2.

  • Page 91: Engine Oil And Oil Filter Element

    3. Install the spark plug with the spark plug Specified spark plug: wrench, and then tighten it to the specified NGK/DR7EA torque. To install the spark plug Tightening torque: 1. Measure the spark plug gap with a wire thick- Spark plug: ness gauge and, if necessary, adjust the gap 17.5 Nm (1.75 m·kgf, 12.7 ft·lbf) to specification.
  • Page 92 2. Check the engine oil level on a cold engine. The engine oil should be between the minimum If the engine was started before checking the oil and maximum level marks. level, be sure to warm up the engine sufficiently, 5.
  • Page 93 1. Engine oil drain bolt 1. Oil filter element cover 2. Bolt 5. Check the O-rings for damage and replace Skip steps 4–7 if the oil filter element is not being them if necessary. replaced. 4. Remove the oil filter element cover by remov- ing the bolts, and then remove the oil filter el- ement.
  • Page 94 Tightening torque: Engine oil drain bolt: 20 Nm (2.0 m·kgf, 14 ft·lbf) 9. Refill with the specified amount of the recom- mended engine oil, and then install and tight- en the engine oil filler cap. Recommended oil: See page 10-1. Oil quantity: 1.

  • Page 95: Cleaning The Air Filter Element

    a higher quality than specified. In addition, EBU23704 Cleaning the air filter element do not use oils labeled “ENERGY CONSERV- The air filter element should be cleaned at the in- ING II” or higher. tervals specified in the periodic maintenance and Make sure that no foreign material enters the lubrication chart.
  • Page 96 2. Remove the seat. (See page 4-14.) 3. Remove the air filter case cover by unhooking the holders. 1. Wing bolt 2. Air filter element 6. Remove the wing bolt and washer from the air 1. Air filter case cover filter element.
  • Page 97 ECB00440 NOTICE Do not twist the sponge material when squeez- ing it. 1. Sponge material 2. Air filter element frame 8. Wash the sponge material gently but thor- oughly in solvent. EWB01940 10. Check the sponge material and replace it if WARNING damaged.
  • Page 98 13. Install the washer onto the air filter element frame, and then insert the wing bolt into the The air filter element should be cleaned every 20– hole in the air filter element frame. 40 hours. It should be cleaned and lubricated more ECB00451 often if the ATV is operated in extremely dusty ar- NOTICE...

  • Page 99: Cleaning The Spark Arrester

    EBU28900 Cleaning the spark arrester Be sure the exhaust pipe and muffler are cool be- fore cleaning the spark arrester. 1. Remove the bolts. 1. Tailpipe 2. Spark arrester 4. Make sure the gasket is properly positioned, then insert the tailpipe into the muffler and align the bolt holes.

  • Page 100: Adjusting The Carburetor

    Therefore, 1. Gasket most carburetor adjustments should be left to a 2. Tailpipe Yamaha dealer, who has the necessary profes- 3. Bolt sional knowledge and experience. The adjustment described in the following section, however, may 5. Install the bolts and tighten them to the speci- be performed by the owner as part of routine main- fied torque.

  • Page 101: Adjusting The Engine Idling Speed

    If the specified idling speed cannot be obtained as throttle stop screw at the carburetor. To in- described above, have a Yamaha dealer make the crease the engine idling speed, turn the throt- adjustment.

  • Page 102: Adjusting The Throttle Cable Free Play

    The valve clearance changes with use, resulting in improper air-fuel mixture and/or engine noise. To prevent this from occurring, the valve clearance must be adjusted by a Yamaha dealer at the inter- vals specified in the periodic maintenance and lu- brication chart.

  • Page 103: Checking The Front And Rear Brake Pads

    1. Wear indicator groove tor groove. If a brake pad has worn to the point that the wear indicator groove has almost disappeared, have a Yamaha dealer replace the brake pads as The wheels need to be removed to check the a set.

  • Page 104: Checking The Brake Fluid Level

    Front brake 1. Wear indicator 1. Minimum level mark EBU28930 Checking the brake fluid level Rear brake Insufficient brake fluid may allow air to enter the brake system, possibly causing it to become inef- fective. Before riding, check that the brake fluid is above the minimum level mark and replenish if neces- sary.
  • Page 105 If the rear brake fluid level is low, replenish as fol- lows. 1. Remove the brake fluid reservoir cap cover by removing the bolt. 1. Brake fluid reservoir cap 3. Refill with brake fluid. 4. Install the brake fluid reservoir cap. 5.

  • Page 106: Changing The Brake Fluid

    Yamaha dealer check the cause. EBU24291 Changing the brake fluid Have a Yamaha dealer change the brake fluid at the intervals specified in the TIP after the periodic 1. Brake lever free play maintenance and lubrication chart. In addition,...

  • Page 107: Checking The Brake Pedal Position

    Make sure the brakes are not spongy. All air must be bled from the brake system. Replacement of brake components requires professional knowledge. These procedures should be performed by a Yamaha dealer. EBU24591 Checking the brake pedal position 1. Brake pedal position...

  • Page 108: Adjusting The Parking Brake Free Play

    1. Locknut 2. Adjusting nut If the cable length cannot be adjusted to specifica- 1. Adjusting bolt tion, consult a Yamaha dealer. 2. Cable length “A” 5. Tighten the locknut on the brake cable. 3. Locknut 6. Turn in the adjusting bolt at the rear brake cal- 1.

  • Page 109: Brake Light Switches

    The brake light switch for the brake pedal can be Tightening torque: adjusted as follows, but the other brake light Locknut (rear brake caliper): switches should be adjusted by a Yamaha dealer. 16 Nm (1.6 m·kgf, 11 ft·lbf) EWB02090 The brake light switch is properly adjusted when...

  • Page 110: Adjusting The Clutch Lever Free Play

    1. Brake light switch 1. Clutch lever free play 2. Brake light switch adjusting nut 2. Locknut 3. Clutch lever free play adjusting bolt EBU24811 4. Rubber cover Adjusting the clutch lever free play The clutch lever free play must be checked and, if 1.

  • Page 111: Drive Chain Slack

    If the specified free play cannot be obtained as de- scribed above or if the clutch does not operate cor- rectly, have a Yamaha dealer check the internal clutch mechanism. EBUM0200 Drive chain slack The drive chain slack should be checked before each ride and adjusted if necessary.
  • Page 112 1. Rear wheel axle pinch bolt 2. Rod 3. Drive chain tensioner 4. Hole A rod can be obtained at a Yamaha dealer to make this adjustment. 4. Shift the transmission into neutral. 5. To tighten the drive chain, push the ATV back- ward.

  • Page 113: Lubricating The Drive Chain

    7. Check that the clearance between the speed 9. Adjust the position of the speed sensor so that sensor and the speed sensor rotor is 3–5 mm the clearance between the sensor and the (0.12–0.19 in). If the clearance is out of spec- speed sensor rotor is 3–5 mm (0.12–0.19 in).

  • Page 114: Checking And Lubricating The Cables

    ECB00560 essary. If a cable is damaged or does not move NOTICE smoothly, have a Yamaha dealer check or replace The drive chain must be lubricated after wash- ing the ATV or riding in the rain. Recommended lubricant: 1.

  • Page 115: Checking And Lubricating The Brake And Clutch Levers

    also become frayed or kinked, which could re- Brake lever strict the operation of controls and lead to an accident or injury. EBU24922 Checking and lubricating the brake and clutch levers The operation of the brake and clutch levers should be checked before each ride, and the lever pivots should be lubricated if necessary.

  • Page 116: Checking The Shift Pedal

    If there is play EBU25032 in a wheel hub or if a wheel does not turn smoothly, Lubricating the upper and lower arm have a Yamaha dealer check the wheel hub bear- pivots ings. The upper and lower arm pivots must be lubricated at the intervals specified in the periodic mainte- nance and lubrication chart.

  • Page 117: Lubricating The Steering Shaft

    Lubricate the pivoting points using a grease gun. Right side Recommended lubricant: Lithium-soap-based grease Left side 1. Upper grease nipple 2. Lower grease nipple EBU25102 Lubricating the steering shaft The steering shaft must be lubricated at the inter- 1. Upper grease nipple vals specified in the periodic maintenance and lu- 2.

  • Page 118: Battery

    EBU25229 Batteries produce explosive gases. Keep Battery sparks, flame, cigarettes or other sources of ig- This model is equipped with a VRLA (Valve Regu- nition away. Ventilate when charging or using lated Lead Acid) battery. There is no need to check in an enclosed space.
  • Page 119 ECB00940 To charge the battery NOTICE Have a Yamaha dealer charge the battery as soon Always keep the battery charged. Storing a dis- as possible if it seems to have discharged. Keep in charged battery can cause permanent battery mind that the battery tends to discharge more damage.

  • Page 120: Replacing The Fuse

    To install the battery EBUM0180 Replacing the fuse The fuse holder is located beside the battery and Be sure the battery is fully charged. can be accessed as follows: 1. Remove the seat. (See page 4-14.) 1. Place the battery in its compartment. 2.

  • Page 121: Headlight Bulb

    6. Install the seat. fuse. EBU28160 2. Remove the blown fuse, and then install a Headlight bulb new fuse of the specified amperage. If the headlight bulb burns out, have a Yamaha dealer replace it. 8-39...

  • Page 122: Headlight Beam

    EBU28170 Headlight beam If a headlight beam adjustment is necessary, have a Yamaha dealer perform it. EBU25600 Replacing the tail/brake light bulb If the tail/brake light bulb burns out, replace it as follows. 1. Remove the lens by removing the screws.

  • Page 123: Auxiliary Light Bulb

    1. Nut 4. Install the lens by installing the screw. ECB00870 NOTICE Do not overtighten the screw, otherwise the lens may break. EBU28020 Auxiliary light bulb If the auxiliary light bulb burns out, have a Yamaha dealer replace it. 8-41...

  • Page 124: Installing A Wheel

    Rear 1. Arrow mark 1. Nut 3. Lower the ATV to the ground. 3. Elevate the ATV and place a suitable stand 4. Tighten the wheel nuts to the specified under the frame. torques. 4. Remove the nuts from the wheel. 5.

  • Page 125: Troubleshooting

    However, should your ATV re- quire any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, expe- rience, and know-how to service the ATV properly.

  • Page 126: Troubleshooting Chart

    Remove the spark plug and check the electrodes. The engine does not start. Have a Yamaha dealer check the ATV. Check the battery. 4. Battery The engine turns over The battery is good.

  • Page 127: Cleaning And Storage

    EBU25860 CLEANING AND STORAGE EBU28190 ECB00710 Cleaning NOTICE Frequent, thorough cleaning of your ATV will not Excessive water pressure may cause water only enhance its appearance but will improve its seepage and deterioration of wheel bearings, general performance and extend the useful life of brakes, transmission seals and electrical de- many components.

  • Page 128: Storage

    abrasives which may mar the paint or protec- To prevent corrosion, avoid damp cellars, tive finish. When finished cleaning, start the stables (because of the presence of ammo- engine and let it idle for several minutes. nia) and areas where strong chemicals are stored.
  • Page 129 b. Pour a teaspoonful of engine oil into the sively cold or warm place [less than 0 °C (30 spark plug bore. °F) or more than 30 °C (90 °F)]. For more in- c. Install the spark plug cap onto the spark formation on storing the battery, see page plug, and then place the spark plug on the 8-36.

  • Page 130: Specifications

    EBU25960 SPECIFICATIONS Dimensions: Compression ratio: 9.50 :1 Overall length: Starting system: 1650 mm (65.0 in) Electric starter Overall width: Lubrication system: 1080 mm (42.5 in) Wet sump Overall height: Engine oil: 1100 mm (43.3 in) Seat height: Type: 730 mm (28.7 in) SAE 5W-30 or SAE 10W-30 or SAE 10W-40 or SAE Wheelbase: 15W-40 or SAE 20W-40 or SAE 20W-50...
  • Page 131 Engine oil quantity: Transmission: Without oil filter element replacement: Primary reduction system: 1.25 L (1.32 US qt, 1.10 Imp.qt) Spur gear With oil filter element replacement: Primary reduction ratio: 1.35 L (1.43 US qt, 1.19 Imp.qt) 76/22 (3.455) Air filter: Secondary reduction system: Air filter element: Chain drive...
  • Page 132 27.5 kPa (0.275 kgf/cm², 4.0 psi) DOT 4 Minimum: Front suspension: Front: Type: 24.5 kPa (0.245 kgf/cm², 3.6 psi) Double wishbone Rear: Spring/shock absorber type: 24.5 kPa (0.245 kgf/cm², 3.6 psi) YFM250RSE-W Coil spring/gas-oil damper YFM250R-W Coil spring/oil damper 10-3...
  • Page 133 Wheel travel: Auxiliary light: 190 mm (7.5 in) 12 V, 5.0 W Rear suspension: License plate light: 12 V, 5.0 W Type: Neutral indicator light: Swingarm 12 V, 1.7 W × 1 Spring/shock absorber type: High beam indicator light: Coil spring/gas-oil damper Wheel travel: Turn signal indicator light: 200 mm (7.9 in)

  • Page 134: Consumer Information

    Yamaha dealer or for ref- erence in case the ATV is stolen. KEY IDENTIFICATION NUMBER: VEHICLE IDENTIFICATION NUMBER: 1.
  • Page 135 EBU26050 Model label The model label is affixed at the location in the il- lustration. Record the information on this label in the space provided. This information will be need- ed when ordering spare parts from a Yamaha deal- 11-2...
  • Page 136 Brake fluid level, checking ..........8-22 Brake lever free play, checking the front ...... 8-24 Brake lever (YFM250RSE-W) ........4-7 Fuel ............... 4-10, 5-3 Brake lever (YFM250R-W) ..........4-6 Fuel cock ..............4-11 Brake light switches ............. 8-27 Fuel tank cap ..............4-9 Brake pads, checking the front and rear ......
  • Page 137 (YFM250RSE-W) ............4-22 Label locations ............... 2-1 Shock absorber assembly, adjusting the rear Light switch ..............4-4 (YFM250R-W) ............4-20 Spark arrester, cleaning ..........8-17 Main switch ..............4-1 Spark plug, checking ............. 8-8 Maintenance and lubrication chart ......... 8-5 Specifications ...............
  • Page 138 Wheel hub bearings, checking ........8-34 Wheel, installing ............8-42 Wheel, removing ............8-41...
  • Page 140 YAMAHA MOTOR CO., LTD. PRINTED IN FRANCE 2008.06...

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