Yamaha big bear 250 YFM25BA Owner'S Manual Download Page 30

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4-5

EBU18442

Brake pedal and rear brake lever

The brake pedal is located on the right side of the
ATV and the rear brake lever is located on the left
handlebar. To apply the rear brake, push down on
the brake pedal or pull the brake lever toward the
handlebar grip.

1. Front brake lever

1. Brake pedal

1. Rear brake lever

U1P066E0.book Page 5 Thursday, August 5, 2010 4:15 PM

Summary of Contents for big bear 250 YFM25BA

Page 1: ... PROPIETARIO 1P0 F8199 66 READ THIS MANUAL CAREFULLY It contains important safety information LIRE ATTENTIVEMENT CE MANUEL Il comprend d importantes informations de sécurité LEA ESTE MANUAL ATENTAMENTE Contiene indicaciones importantes acerca de la seguridad DIC183 ...

Page 2: ...PRINTED IN USA 2010 08 0 3 1 CR E F S YAMAHA MOTOR CO LTD DIC183 ...

Page 3: ...READ THIS MANUAL CAREFULLY It contains important safety information OWNER S MANUAL YFM25BA YFM250A 1P0 F8199 66 E0 U1P066E0 book Page 1 Thursday August 5 2010 4 15 PM ...

Page 4: ...UROPE N V Koolhovenlaan 101 1119 NC Schiphol Rijk The Netherlands Signature Shinya Shimada Date of Issue to which this declaration applies conforms to the essential health and safety requirements of Directive 2006 42 EC To effect correct application of the essential health and safety requirements stated in the Directives of EEC the following standards and or technical specifications were consulted...

Page 5: ...of the features and operation of this ATV This manual includes important safety information It provides information about special tech niques and skills necessary to ride the ATV It also includes basic maintenance and inspection proce dures If you have any questions regarding the operation or maintenance of your ATV please consult a Yamaha dealer AN IMPORTANT SAFETY MESSAGE Read this manual comple...

Page 6: ...safety alert symbol It is used to alert you to potential per sonal injury hazards Obey all safety messages that follow this sym bol to avoid possible injury or death A WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A NOTICE indicates special precautions that must be taken to avoid damage to the vehicle or other property A TIP provides key infor...

Page 7: ...d or motorway Please check your local riding laws and regulations before operating this ATV EBU17410 YFM25BA YFM250A OWNER S MANUAL 2010 by Yamaha Motor Co Ltd 1st edition July 2010 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in U S A U1P066E0 book Page 1 Thursday August 5 2010 4 15 PM ...

Page 8: ...5 Parking brake 4 6 Shift pedal 4 6 Drive select lever 4 7 Recoil starter 4 7 Fuel tank cap 4 7 Fuel 4 8 Fuel cock 4 9 Starter choke 4 11 Seat 4 11 Storage compartment 4 12 Front carrier 4 13 Rear carrier 4 13 Adjusting the rear shock absorber assembly 4 14 PRE OPERATION CHECKS 5 1 Fuel 5 3 Engine oil 5 3 Final gear oil 5 3 Front and rear brakes 5 3 Throttle lever 5 4 Tires 5 4 Chassis fasteners 5...

Page 9: ... 3 General maintenance and lubrication chart 8 5 Checking the spark plug 8 9 Engine oil and oil filter element 8 11 Final gear oil 8 18 Cleaning the air filter element 8 20 Cleaning the spark arrester 8 24 Adjusting the carburetor 8 25 Adjusting the engine idling speed 8 26 Adjusting the throttle lever free play 8 27 Valve clearance 8 27 Adjusting the drive select lever safety system cable 8 28 Br...

Page 10: ...teering shaft 8 38 Battery 8 39 Replacing the fuse 8 42 Replacing a headlight bulb 8 43 Adjusting a headlight beam 8 45 Replacing the tail brake light bulb 8 45 Removing a wheel 8 46 Installing a wheel 8 46 Troubleshooting 8 48 Troubleshooting chart 8 49 CLEANING AND STORAGE 9 1 Cleaning 9 1 Storage 9 2 SPECIFICATIONS 10 1 CONSUMER INFORMATION 11 1 Identification numbers 11 1 U1P066E0 book Page 3 ...

Page 11: ... 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 For Europe U1P066E0 book Page 1 Thursday August 5 2010 4 15 PM ...

Page 12: ...bs 1P0 F817R 10 45 kg 99 lbs 20 0 kPa 0 20 kgf cm 2 9 psi 25 0 kPa 0 25 kgf cm 3 6 psi 4XE F816M M0 1P0 F816P 20 3230 N 330 kgf 727 lbf 147 N 15 kgf 33 lbf 1P0 F817S 00 1 3 4 5 2 U1P066E0 book Page 2 Thursday August 5 2010 4 15 PM ...

Page 13: ...1 3 1 1P0 F816L 20 1P0 F816R 00 YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA JAPAN YFM250 12 2 kW 216 kg 2010 1P0 F155A 30 6 7 8 9 U1P066E0 book Page 3 Thursday August 5 2010 4 15 PM ...

Page 14: ...children under age 10 to operate this ATV Operation of this ATV by children under the age of 10 increases the risk of severe injury or death Adult supervision required for children under age 16 NEVER permit children under age 12 to operate this ATV Operation of this ATV by children under the age of 12 increases the risk of severe injury or death Adult supervision required for children under age 16...

Page 15: ... or death Turning the ATV in 4WD LOCK DIFF LOCK takes more effort Operate at a slow speed and allow extra time and distance for maneuvers to avoid loss of control This pictogram shows the loading limits and or maximum load capacity for this ATV Follow all load limits and other loading guidelines in this manual Load may include the driver passenger human protective gear accessories goods luggage an...

Page 16: ...oading can cause loss of control Loss of control can result in severe injury or death This pictogram shows trailer Hitch Tongue weight limit Weight on the trailer tongue Overloading can cause loss of control Loss of control can result in severe injury or death 1 2 3 4 Year of construction Model Name Max Power Mass In Running Order U1P066E0 book Page 6 Thursday August 5 2010 4 15 PM ...

Page 17: ...1 7 1 For Oceania U1P066E0 book Page 7 Thursday August 5 2010 4 15 PM ...

Page 18: ...gf 15 kgf 4XE F151K 00 4XE F816M 20 20 kPa 2 9 psi 25 kPa 3 6 psi 17 kPa 2 5 psi 22 kPa 3 2 psi 165 kg 364 lbs 30 kg 66 lbs 4XE F4877 20 45 kg 99 lbs 4XE F4897 20 1 3 4 5 2 U1P066E0 book Page 8 Thursday August 5 2010 4 15 PM ...

Page 19: ...1 9 1 16 UNDER 7 6 U1P066E0 book Page 9 Thursday August 5 2010 4 15 PM ...

Page 20: ...hild if he or she does not have the abilities to operate it safely Never carry a passenger on an ATV Always avoid operating an ATV on any paved surfaces including sidewalks driveways park ing lots and paved streets Never operate an ATV on any paved street paved road or motorway Watch carefully for other vehicles when operat ing on unpaved public streets or roads Make sure you know your country s l...

Page 21: ...described in this manual Check the ter rain carefully before you start up any hill Never climb hills with excessively slippery or loose sur faces Shift your weight forward Never open the throttle suddenly or make sudden gear changes Never go over the top of a hill at high speed Always follow proper procedures for going down hills and for braking on hills as described in this manual Check the terra...

Page 22: ...opping ability Test your brakes after leaving water If necessary apply them several times to let friction dry out the linings Always be sure there are no obstacles or people behind you when you operate in reverse When it is safe to proceed in reverse go slowly Always use the size and type of tires specified in this manual Always maintain proper tire pressure as de scribed in this manual Never modi...

Page 23: ...e exhaust with fans or open windows and doors carbon monoxide can rapidly reach dangerous levels Do not run engine in poorly ventilated or par tially enclosed areas such as barns garages or carports Do not run engine outdoors where engine exhaust can be drawn into a building through openings such as windows and doors WARNING EWB02591 When transporting the ATV in another vehicle be sure it is kept ...

Page 24: ... Rear shock absorber assembly spring preload adjusting ring 8 Engine oil drain bolt 9 Shift pedal 9 1 Spark arrester 2 Storage compartment and tool kit 3 Air filter case 4 Engine oil filler cap 5 Brake pedal 6 Clutch adjusting screw 7 Oil filter element 8 Rear brake light switch 5 1 2 3 4 6 7 8 U1P066E0 book Page 1 Thursday August 5 2010 4 15 PM ...

Page 25: ... shown in this manual 1 Drive select lever 2 Rear brake lever 3 Handlebar switches 4 Parking brake lock plate 5 Horn switch 6 Starter choke 7 Main switch 8 Brake fluid reservoir 9 Throttle lever 10 Front brake lever 11 Fuel tank cap 2 1 3 4 5 6 7 9 8 10 11 U1P066E0 book Page 2 Thursday August 5 2010 4 15 PM ...

Page 26: ...ollows ON All electrical systems are supplied with power The headlights and taillight come on when the light switch is on and the engine can be started The key cannot be removed OFF All electrical systems are off The key can be re moved 1 Main switch OFF ON 1 U1P066E0 book Page 1 Thursday August 5 2010 4 15 PM ...

Page 27: ...dlebar switches EBU18080 Engine stop switch Set this switch to before starting the engine The engine stop switch controls the ignition and stops the engine when it is running Use this switch to stop the engine in an emergency situation The engine will not start or run when this switch is set to 1 Neutral indicator light N 2 Reverse indicator light R 1 Light switch OFF 2 Engine stop switch 3 Start ...

Page 28: ... will not operate properly If this should happen remove the battery and recharge it See page 8 39 for battery charging information EBU18170 Horn switch Press the switch to sound the horn EBU18282 Throttle lever Once the engine is running pushing the throttle le ver will increase the engine speed Regulate the speed of the ATV by varying the throttle position Because the throttle is spring loaded th...

Page 29: ... turn the adjusting screw out more than 12 mm 0 47 in or the throttle cable could be dam aged Always make sure the throttle lever free play is adjusted to 3 0 5 0 mm 0 12 0 20 in See page 8 27 WARNING Improper ad justment of the speed limiter and throttle could cause throttle cable damage or im proper throttle operation You could lose control resulting in an accident EWB00241 3 Tighten the locknut...

Page 30: ...ght side of the ATV and the rear brake lever is located on the left handlebar To apply the rear brake push down on the brake pedal or pull the brake lever toward the handlebar grip 1 Front brake lever 1 Brake pedal 1 Rear brake lever U1P066E0 book Page 5 Thursday August 5 2010 4 15 PM ...

Page 31: ...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 The brake could overheat if you ride the ATV without re leasing the parking brake You could lose braking performance which could cause an accident You could also wear out the brakes prematurely EBU18550 Shift pedal This ATV is equipped with a constant mesh 5 spe...

Page 32: ... pull slightly until en gagement can be felt Then pull forcefully being careful not to pull the rope all the way out WARNING EWB02370 Shift the transmission into the neutral position and apply the parking brake before starting the engine otherwise the ATV could start to move unexpectedly which could cause an accident EBU18720 Fuel tank cap Remove the fuel tank cap by turning it counter clockwise 1...

Page 33: ...e smoking or while in the vicinity of sparks open flames or other sources of ig nition such as the pilot lights of water heaters and clothes dryers 2 Do not overfill the fuel tank When refueling be sure to insert the pump nozzle into the fuel tank filler hole Stop filling when the fuel reach es the bottom of the filler tube Because fuel expands when it heats up heat from the en gine or the sun can...

Page 34: ...e 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 Your Yamaha engine has been designed to use regular unleaded gasoline with a research octane number of 91 or higher If knocking or pinging oc curs use a gasoline of a different brand Use of un leaded fuel will extend spark plug life and reduce maintenance ...

Page 35: ...s position when the engine is not running ON With the fuel cock lever in this position fuel flows to the carburetor Turn the fuel cock lever to this position when starting the engine and riding 1 Arrow mark positioned over OFF 1 Arrow mark positioned over ON U1P066E0 book Page 10 Thursday August 5 2010 4 15 PM ...

Page 36: ...e Starting a cold engine requires a richer air fuel mix ture which is supplied by the starter choke Move the starter choke in direction a to turn on the starter choke 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 EBU18881 Seat To remove the seat Pull the seat lock lever upward and pull up the seat at the ...

Page 37: ...age compartment NOTICE ECB00130 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 stor age compartment The storage compartment is located under the seat See page 4 11 1 Seat 2 Seat lock lever 1 Projection 2 Seat holder U1P066E0 book Page 12 Thursday August 5 2010 4 15 PM ...

Page 38: ...y water collects in this hose re move the hose empty it and then install it EBU18962 Front carrier Do not exceed the load limit of 30 0 kg 66 lb for the front carrier Do not exceed the maximum load of 165 0 kg 364 lb for the ATV EBU18972 Rear carrier Do not exceed the load limit of 45 0 kg 99 lb for the rear carrier Do not exceed the maximum load of 165 0 kg 364 lb for the ATV 1 Storage compartmen...

Page 39: ...ettings Adjust the spring preload as follows Turn the spring preload adjusting ring in direction a to increase the spring preload and thereby harden the suspension and in direction b to de crease the spring preload and thereby soften the suspension TIP A special wrench can be obtained at a Yamaha dealer to make this adjustment 1 Spring preload adjusting ring 2 Position indicator U1P066E0 book Page...

Page 40: ...4 15 4 1 Special wrench Spring preload setting Minimum soft 1 Standard 2 Maximum hard 5 U1P066E0 book Page 15 Thursday August 5 2010 4 15 PM ...

Page 41: ...hicle check the following points ITEM ROUTINE PAGE Fuel Check fuel level in fuel tank and add recommended fuel if neces sary Check fuel line for leakage Correct if necessary 4 8 5 3 Engine oil Check oil level in engine and add recommended oil to specified lev el if necessary Check ATV for oil leakage Correct if necessary 5 3 8 11 Final gear oil Check ATV for oil leakage Correct if necessary 5 3 8 ...

Page 42: ...ition and tread depth Replace if necessary Check air pressure Correct if necessary 5 4 Shift pedal Make sure that operation is smooth Correct if necessary 8 37 Brake pedal Make sure that operation is smooth Lubricate pedal pivoting point if necessary 8 37 Brake levers Make sure that operation is smooth Lubricate lever pivoting points if necessary 8 36 Chassis fasteners Make sure that all nuts bolt...

Page 43: ...nd pedal They should move smoothly and there should be a firm feeling when the brake is applied If not have a Yamaha dealer check them Brake fluid level front brake Check the brake fluid level Add fluid if necessary See page 8 29 Brake fluid leakage front brake Check to see if any brake fluid is leaking out of the hose joint or brake fluid reservoir of the front brake Apply the brake firmly for on...

Page 44: ...th from loss of control or rollover Tire pressure below the minimum specified could also cause the tire to dislodge from the rim un der severe riding conditions EWB02541 Set tire pressures to the following specifications The low pressure tire gauge is included as stan dard equipment Make two measurements of the tire pressure and use the second reading Dust or dirt in the gauge could cause the firs...

Page 45: ...with valves WARNING EWB02551 Use of improper tires on this ATV may cause loss of control increasing your risk of an acci dent After extensive tests only the tires listed below have been approved for this model by Yamaha Motor Manufacturing Corporation of America 1 Low pressure tire gauge 1 Tire wear limit U1P066E0 book Page 5 Thursday August 5 2010 4 15 PM ...

Page 46: ... are prop erly tightened EBU19850 Instruments lights and switches Check that all instruments lights and switches are working properly Correct if necessary EBU19860 Battery Check the fluid level in the battery Fill with distilled water if necessary See page 8 39 Front Manufacturer model YFM250A CARLISLE TRAIL WOLF YFM25BA MAXXIS M905 Size AT22 x 7 00 10 Type Tubeless Rear Manufacturer model YFM250A...

Page 47: ... the engine stop switch to 4 Shift the transmission into neutral The neutral indicator light should come on If the indicator light does not come on have a Yamaha deal er check the electrical circuit TIP The engine can be started under the following con ditions The transmission is in neutral The rear brake lever is applied with the transmis sion in any gear However it is recommended to shift into n...

Page 48: ... If the engine is started with the starter choke in position 1 the starter choke should be returned to position 2 to warm up the engine If the engine is started with the starter choke in position 2 keep the starter choke in this position to warm up the engine 8 Continue warming up the engine until it idles smoothly then return the starter choke to position 3 before riding TIP The engine is warm wh...

Page 49: ...verse to Forward 1 Bring the ATV to a complete stop 2 Apply the brake pedal 3 Move the drive select lever forward until it completely stops 4 Release the brake pedal and then open the throttle lever gradually Shifting Forward to Reverse WARNING EWB00720 Improper operation in reverse could make you hit an obstacle or even a person behind you resulting in serious injury When you shift into reverse m...

Page 50: ... behind you for people or obstacles and then release the brake pedal 6 Open the throttle lever gradually and continue to watch to the rear while backing EBU20551 Shifting This ATV has a 5 speed forward transmission with a centrifugal automatic clutch The transmission allows you to control the amount of power you have available at a given speed or for starting ac celerating climbing etc To shift in...

Page 51: ...ear and release the shift pedal 6 Open the throttle gradually 7 Follow the same procedure when shifting to the next higher gear EBU20650 To decelerate When slowing down or stopping release the throt tle 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 c...

Page 52: ...riod in the life of your engine than the first 320 km 200 mi or 20 hours of riding For this reason you should read the following material carefully Since the engine is brand new do not put an ex cessive load on it for the first 320 km 200 mi or 20 hours The various parts in the engine wear and polish themselves to the correct operating clear ances During this period prolonged full throttle operati...

Page 53: ... of control increasing the chance of an accident If you must park on an incline place the ATV transversely across the incline shift into first gear stop the engine ap ply the parking brake and then block the front and rear wheels with rocks or other objects Never park the ATV on hills that are too steep to walk up easily 1 With the transmission in first gear bring the ATV to a stop by applying the...

Page 54: ...aftermarket products similar in design and quality to genuine Yamaha Accesso ries recognize that some aftermarket accessories or modifications are not suitable because of poten tial safety hazards to you or others Installing after market products or having other modifications performed to your ATV that change any of the ve hicle s design or operation characteristics can put you and others at great...

Page 55: ... ATV You must use common sense and good judgment when carrying cargo or towing a trailer Keep the following points in mind Never exceed the weight limits shown An over loaded ATV can be unstable Do not exceed the maximum tongue weight You can measure tongue weight with a bath room scale Put the tongue of the loaded trailer on the scale with the tongue at hitch height Ad just the load in the traile...

Page 56: ... your ability to see where you are going Ride more slowly than you would without a load The more weight you carry the slower you should go Although conditions vary it is good practice not to exceed 2nd gear whenever you are carrying heavier loads or when towing a trail er Allow more braking distance A heavier ATV takes longer to stop Avoid making sharp turns unless at very slow speeds Avoid hills ...

Page 57: ...7 1 7 EBU21141 RIDING YOUR ATV U1P066E0 book Page 1 Thursday August 5 2010 4 15 PM ...

Page 58: ...and un derstand the operation of the controls Pay partic ular attention to the safety information on pages 2 1 2 4 Also read all warning and notice labels on your ATV RIDE WITH CARE AND GOOD JUDGMENT Get training if you are inexperienced WARNING EWB01381 Do not operate this ATV or allow anyone else to operate it without proper instruction The risk of an accident is greatly increased if the operato...

Page 59: ...90 A child under 16 should never operate an ATV with engine size greater than 90 cc Use by chil dren of ATVs that are not recommended for their age can lead to severe injury or death of the child This ATV is designed to carry the operator and cargo only passengers prohibited The long seat is to allow the operator to shift posi tion as needed during operation It is not for carry ing passengers WARN...

Page 60: ... Operating without an ap proved motorcycle helmet increases your chances of a severe head injury or death in the event of an accident EWB01411 Wear eye protection when operating your ATV to reduce the risk of a serious accident or injury Eye protection such as a face shield or goggles may reduce the risk of foreign material getting in your eyes and help prevent loss of vision WARNING Operating wit...

Page 61: ...ch time you use it to make sure the ATV is in safe operating condition Perform the pre operation checks listed on page 5 1 Always follow the inspection and maintenance procedures and schedules described in the Own er s Manual WARNING Failure to inspect the ATV before operating it and to maintain it prop erly increases the possibility of an accident or equipment damage EWB01431 Speed limiter For ri...

Page 62: ...ntered side to side and as low as possible Be sure cargo is se cured a loose load could change handling unexpectedly Make sure the load does not interfere with your control or ability to see where you are going Tie down cargo in the trailer securely Make sure cargo in the trailer cannot move around A shifting load can cause an accident Reduce speed and allow more room to stop A heavier vehicle tak...

Page 63: ... cause you to lose your balance and fall off of the ATV If you remove a foot from a footboard your foot or leg may come into contact with the rear wheels which could injure you or cause an accident EWB01471 Avoid wheelies and jumping WARNING At tempting wheelies jumps and other stunts in creases the chance of an accident including MAXIMUM LOADING LIMIT ATV loading limit total weight of cargo rider...

Page 64: ...he engine area could catch fire Do not operate idle or park the ATV in dry grass or other dry ground cov er Keep the engine area free of dry grass brush or other combustible material Someone touching the exhaust system dur ing or after operation could be burned Do not touch the hot exhaust system Do not park the ATV in a place where others might be likely to touch it The muffler and other engine p...

Page 65: ...aces may seriously affect handling and control of the ATV and may cause the ATV to go out of control Always avoid paved surfaces including sidewalks driveways parking lots and streets EWB01511 While riding on unpaved public streets or roads may be legal in your area such operation can in crease the risk of collision with other vehicles Watch carefully for other vehicles Make sure you U1P066E0 book...

Page 66: ...h may cause the ATV to upset WARNING The ATV could go out of control if you do not have enough time to react to hidden rocks bumps or holes Go slowly and be extra care ful when operating on unfamiliar terrain Al ways be alert to changing terrain conditions when operating the ATV EWB01531 Do not operate on rough slippery or loose terrain until you have learned and practiced the skills nec essary to...

Page 67: ...n flag on the ATV DO NOT use the flag pole bracket as a trailer hitch WARNING You could collide with another vehicle if operating in areas where you cannot easily be seen Mount a caution flag on the ATV to make you more visible Watch carefully for other vehicles EWB01551 Do not ride in areas posted no trespassing Do not ride on private property without getting per mission U1P066E0 book Page 11 Thu...

Page 68: ...sulting in a loss of directional control EWB02631 NOTICE Do not shift gears without releasing the throttle Damage to the engine or drive train may occur ECB01071 Use this same procedure as you move into the higher gears Be sure to coordinate the use of the throttle and shift pedal properly Avoid higher speeds until you are thoroughly famil iar with the operation of your ATV When slowing down or st...

Page 69: ...wheel on the inside of the turn slip slightly allowing the ATV to make the turn properly This procedure should be practiced at slow speed many times in a large unpaved area with no obsta cles If an incorrect technique is used your ATV may continue to go straight If the ATV doesn t turn come to a stop and then practice the proce dure again If the riding surface is slippery or loose it may help to p...

Page 70: ...p for the ATV or for your abilities The ATV can overturn more easily on extremely steep hills than on level surfaces or small hills Always check the terrain carefully before you start up any hill Never climb hills with excessively slippery or loose surfaces Shift your weight forward Never open the throttle suddenly or make sudden gear changes The ATV could flip over backwards Never go over the top...

Page 71: ...anges in the terrain as you climb It is important when climbing a hill to make sure that your weight is transferred forward on the ATV This can be accomplished by leaning forward and on steeper inclines standing on the footboards and leaning forward over the handlebars Whenev er possible ride straight up hills Slow down when you reach the crest of the hill if you cannot see clearly what is on the ...

Page 72: ...apply the rear brake as well and then lock the parking brake Dismount the ATV im mediately on the 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 WARNING Stalling rolling backwards or improperly dismounting while climbing a hill could result in ATV overturning If you cannot control the ATV dismount immediat...

Page 73: ... the braking for you Use caution while descending a hill with loose or slippery surfaces Braking ability and traction may be adversely affected by these surfaces Improper braking may also cause a loss of traction Gradual ly apply only the rear brake 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 rid...

Page 74: ... 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 If your ATV does begin to tip over gradually steer in the downhill direction if there are no obstacles in your path As you regain proper balance gradually steer again in the direction you wish to travel CRO...

Page 75: ...gs Do not continue to ride your ATV with out verifying that you have regained proper braking ability WARNING Wet brakes may have re duced stopping ability which could cause loss of control EWB02621 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 ...

Page 76: ...ch as large rocks or fallen trees When you go over obstacles always follow proper procedures as described in the Owner s Manual Riding over rough terrain should be done with cau tion Look out for obstacles which could cause damage to the ATV or could lead to an upset or ac 1 Air filter case check hose 1 Drive select lever box check hose 1 Storage compartment check hose U1P066E0 book Page 20 Thursd...

Page 77: ...slowly and be very cautious in order to re duce the chance of skidding or sliding out of control Care should be used when riding on loose or slip pery surfaces since the ATV may slide If unex pected and uncorrected sliding could lead to an accident To reduce the tendency for the front wheels to slide in loose or slippery conditions positioning your weight over the front wheels will sometimes help ...

Page 78: ...f the turn Position your weight over the front wheels for better control See page 7 12 If your ATV begins to tip while turning Lean more into the turn to regain balance If nec essary gradually let off the throttle and or steer to the outside of the turn See page 7 12 If your ATV starts to slide sideways Steer in the direction of the slide if you have the room Applying the brakes or accelerating is...

Page 79: ...you discover that the ATV is going to tip over dismount on the uphill side See page 7 17 If your ATV encounters shallow water Ride slowly and carefully through slow moving water watching for obstacles Be sure to let wa ter drain from the ATV and CHECK YOUR BRAKES FOR PROPER OPERATION when you come out of the water Do not continue to ride your ATV until you have regained adequate braking ability Se...

Page 80: ...n off the engine when performing mainte nance unless otherwise specified A running engine has moving parts that can catch on body parts or clothing and electri cal parts that can cause shocks or fires Running the engine while servicing can lead to eye injury burns fire or carbon monoxide poisoning possibly leading to death See page 2 1 for more information about carbon monoxide WARNING EWB02690 Br...

Page 81: ...he tools provided in the owner s tool kit are in tended to assist you in the performance of preven tive maintenance and minor repairs However additional tools such as a torque wrench may be necessary to perform certain maintenance work correctly TIP If you do not have the tools or experience required for a particular job have a Yamaha dealer perform it for you 1 Owner s manual 2 Owner s tool kit 3...

Page 82: ...re special tools data and technical skills NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month 1 3 6 6 12 km mi 320 200 1300 800 2500 1600 2500 1600 5000 3200 hours 20 80 160 160 320 1 Fuel line Check fuel hoses for cracks or other damage and replace if necessary 2 Spark plug Check condition and clean regap or replace if necessary 3 Valves Check valve clearance and adjust i...

Page 83: ...ss and tighten all screw clamps and joints if necessary 7 Spark arrester Clean NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month 1 3 6 6 12 km mi 320 200 1300 800 2500 1600 2500 1600 5000 3200 hours 20 80 160 160 320 U1P066E0 book Page 4 Thursday August 5 2010 4 15 PM ...

Page 84: ...lls NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month 1 3 6 6 12 km mi 320 200 1300 800 2500 1600 2500 1600 5000 3200 hours 20 80 160 160 320 1 Air filter element Clean and replace if necessary Every 20 40 hours more often in wet or dusty areas 2 Clutch Check operation and adjust if necessary 3 Front brake Check operation and correct if necessary Check fluid level and ATV...

Page 85: ...gs if necessary Lubricate with lithium soap based grease 10 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened 11 Shock absorber as semblies Check operation and correct if necessary Check for oil leakage and replace if necessary 12 Steering shaft Lubricate with lithium soap based grease 13 Steering system Check operation and repair or replace if damaged Check toe in ...

Page 86: ...on and adjust or replace if neces sary 20 Throttle lever Check operation Check throttle lever free play and adjust if neces sary Lubricate cable and lever housing 21 Front and rear brake switches Check operation and correct if necessary 22 Lights and switches Check operation and correct if necessary Adjust headlight beams NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month ...

Page 87: ... of the brake master cylinder and calipers and change the brake fluid Replace the brake hoses every four years and if cracked or damaged 23 Battery Check electrolyte level and specific gravity and correct if necessary Make sure that the breather hose is properly rout ed NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month 1 3 6 6 12 km mi 320 200 1300 800 2500 1600 2500 1600...

Page 88: ...ddition the condition of the spark plug can reveal the condition of the engine To remove the spark plug 1 Remove the spark plug cap 2 Remove the spark plug as shown with the spark plug wrench included in the owner s tool kit To check the spark plug 1 Check that the porcelain insulator around the center electrode of the spark plug is a medi um to light tan the ideal color when the ATV is ridden nor...

Page 89: ...ecessary 3 Measure the spark plug gap with a wire thick ness gauge and if necessary adjust the gap to specification To install the spark plug 1 Clean the surface of the spark plug gasket and its mating surface and then wipe off any grime from the spark plug threads 2 Install the spark plug with the spark plug wrench and then tighten it to the specified torque Specified spark plug NGK DR7EA 1 Spark...

Page 90: ...brication chart To check the engine oil level 1 Place the ATV on a level surface 2 Check the engine oil level on a cold engine TIP If the engine was started before checking the oil level be sure to warm up the engine sufficiently and then wait at least ten minutes until the oil set tles for an accurate reading 3 Remove the engine oil filler cap and then wipe the engine oil dipstick off with a clea...

Page 91: ...ment cleaning 1 Place the ATV on a level surface 2 Start the engine warm it up for several min utes and then turn it off 3 Place an oil pan under the engine to collect the used oil 4 Remove the engine oil filler cap and then re move the engine oil drain bolt to drain the oil from the crankcase NOTICE When remov ing the engine oil drain bolt the compres sion spring oil strainer and O ring will fall...

Page 92: ...aned 5 Remove the footboard by removing the bolts 6 Fully loosen the brake pedal free play adjust ing nut and push the brake pedal downward 1 Engine oil drain bolt 2 O ring 3 Compression spring 4 Oil strainer 1 Footboard 2 Bolt U1P066E0 book Page 13 Thursday August 5 2010 4 15 PM ...

Page 93: ...the bolts and then remove the oil filter el ement and the O ring NOTICE Do not loosen the adjusting nuts shown when re moving the oil filter element cover or oil fil ter element ECB00341 1 Brake pedal free play adjusting nut 1 Drive select lever safety system cable 2 Oil filter element cover 1 2 U1P066E0 book Page 14 Thursday August 5 2010 4 15 PM ...

Page 94: ...ly a thin coat of clean engine oil to the O ring 12 Install the oil filter element cover by installing the bolts and then tighten them to the speci fied torque 1 Adjusting nut 2 Oil filter element cover 3 Bolt 1 2 3 3 1 Oil filter element 2 O ring Tightening torque Oil filter element cover bolt 10 Nm 1 0 m kgf 7 2 ft lbf U1P066E0 book Page 15 Thursday August 5 2010 4 15 PM ...

Page 95: ... filler cap TIP Be sure to wipe off spilled oil on any parts after the engine and exhaust system have cooled down NOTICE ECB00300 In order to prevent clutch slippage since the engine oil also lubricates the clutch do not mix any chemical additives Do not use oils with a diesel specification of CD or oils of 1 Engine oil drain bolt 2 O ring 3 Compression spring 4 Oil strainer Tightening torque Engi...

Page 96: ...rn the engine off and check for the cause 17 Turn the engine off wait at least ten minutes and then check the oil level and correct it if necessary 18 Install the footboard by installing the bolts and then tighten them to the specified torques 19 Adjust the brake pedal free play See page 8 31 1 Footboard bolt A 2 Footboard bolt B Tightening torques Footboard bolt A 4 0 Nm 0 40 m kgf 2 9 ft lbf Foo...

Page 97: ...r oil filler bolt and its gas ket and then check the oil level in the final gear case The oil level should be at the brim of the filler hole 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 Check the gasket for damage and replace it if necessary 5 Install the oil filler bolt and its gasket and then tighten the bolt to t...

Page 98: ...o drain the oil from the final gear case 5 Install the drain bolt and its new gasket and then tighten the bolt to the specified torque 6 Refill with the recommended final gear oil to the brim of the filler hole as shown NOTICE Be sure no foreign material enters the final gear case ECB00421 1 Final gear case guard 2 Bolt 1 Final gear oil drain bolt 2 Gasket Tightening torque Final gear oil drain bo...

Page 99: ...ecified in the periodic maintenance and lubrication chart Clean or if necessary replace the air filter element more frequently if you are riding in unusually wet or dusty areas TIP There is a check hose at the bottom of the air filter case If dust or water collects in this hose empty the hose and clean the air filter element and air fil ter case 1 Final gear oil filler bolt 2 Gasket 3 Final gear o...

Page 100: ...e 4 11 3 Remove the air filter case cover by unhooking the holders 4 Pull the air filter element assembly out of the air filter case 1 Air filter case check hose 1 Air filter case cover 2 Air filter case cover holder U1P066E0 book Page 21 Thursday August 5 2010 4 15 PM ...

Page 101: ... flash point solvents or gasoline to clean the sponge material because the en gine could catch fire or explode EWB01951 7 Squeeze the excess water or solvent out of the sponge material and let it dry NOTICE Do not twist the sponge material when squeezing it Do not apply oil to the sponge material ECB00471 1 Air filter element assembly 1 Air filter element 2 Sponge material U1P066E0 book Page 22 Th...

Page 102: ... air filter case and then install the air filter case cover by hooking the holders NOTICE Make sure that the air filter element is properly seated in the air filter case Never operate the engine with the air filter element re moved This will allow unfiltered air to en ter the engine causing rapid engine wear and possible engine damage Additionally operation without the air filter element will affe...

Page 103: ...ni fold fittings for an air tight seal Tighten all fittings securely to avoid the possibility of unfiltered air en tering the engine EBU27082 Cleaning the spark arrester Be sure the exhaust pipe and muffler are cool be fore cleaning the spark arrester 1 Remove the tailpipe bolts 2 Remove the tailpipe by pulling it out of the muffler 3 Tap the tailpipe lightly and then use a wire brush to remove an...

Page 104: ...arburetor The carburetor should be checked and if neces sary adjusted at the intervals specified in the peri odic maintenance and lubrication chart The carburetor is an important part of the engine and requires very sophisticated adjustment Therefore most carburetor adjustments should be left to a Yamaha dealer who has the necessary profes sional knowledge and experience The adjustment described i...

Page 105: ... lubrica tion chart TIP A diagnostic tachometer is needed to make this adjustment 1 Start the engine and warm it up TIP The engine is warm when it quickly responds to the throttle 2 Attach the tachometer to the spark plug lead 3 Check the engine idling speed and if neces sary adjust it to specification by turning the throttle stop screw at the carburetor To in crease the engine idling speed turn t...

Page 106: ...e throttle le ver free play 1 Slide the rubber cover back 2 Loosen the locknut 3 To increase the throttle lever free play turn the throttle lever free play adjusting bolt in di rection a To decrease the throttle lever free play turn the adjusting bolt in direction b 4 Tighten the locknut 5 Slide the rubber cover to its original position EBU24060 Valve clearance The valve clearance changes with use...

Page 107: ...ith improperly serviced or adjust ed brakes could lead to a loss in braking ability and an accident EBU24120 Checking the front brake pads and rear brake shoes The front brake pads and the rear brake shoes must be checked for wear at the intervals specified in the periodic maintenance and lubrication chart EBU24171 Front brake pads Check each front brake pad for damage and mea sure the lining thic...

Page 108: ...brake fluid level 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 A low brake fluid level may indicate worn brake pads and or brake system leakage If the brake fluid level is low be sure to check the brake pads for wear and the brake syste...

Page 109: ...es down suddenly have a Yamaha dealer check the cause EBU24281 Changing the brake fluid Have a Yamaha dealer change the brake fluid at the intervals specified in the TIP after the periodic maintenance and lubrication chart In addition have the oil seals of the brake master cylinder and calipers as well as the brake hoses replaced at the intervals listed below or whenever they are dam aged or leaki...

Page 110: ...r brake shoes for wear 1 Adjusting the brake pedal height The top of the brake pedal should be posi tioned 43 0 53 0 mm 1 69 2 09 in above the top of the footboard bracket If the height is incorrect adjust it as follows a Remove the footboard See Engine oil on page 8 11 for removal and installation procedures b Loosen the locknuts at the brake pedal c Turn the brake pedal height adjusting bolt at ...

Page 111: ... free play adjusting nut on the brake rod at the rear wheel hub in direction a to increase the free play and in direction b to decrease it 3 Adjusting the brake lever free play The brake lever free play should measure 5 0 7 0 mm 0 20 0 28 in as shown If the free play is incorrect adjust it as follows 1 Brake pedal free play 1 Brake lever free play adjusting nut 2 Brake pedal free play adjusting nu...

Page 112: ...n the brake cam shaft lever and the pin gap A measures 0 1 mm 0 0 04 in c Turn the brake lever free play adjusting bolt at the brake lever in direction a to in crease the free play and in direction b to decrease it 1 Brake lever free play 2 Locknut 3 Brake lever free play adjusting bolt 1 Brake lever free play adjusting nut 2 Brake camshaft lever 3 Pin 4 Gap A 2 3 1 4 U1P066E0 book Page 33 Thursda...

Page 113: ...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 11 for removal and installation proce dures 2 Turn the adjusting nut while holding the brake light switch in place To make the brake light come on earlier turn the adjusting nut in direc tion a To make the brake light come on lat er turn the adjusting nut in ...

Page 114: ...ec tion b increases clutch free play 4 Tighten the locknut to the specified torque TIP When tightening the locknut hold the clutch ad justing screw with a screwdriver so that it does not turn together with the locknut 5 Install the footboard EBU24901 Checking and lubricating the cables The operation and the condition of all control ca bles should be checked before each ride and the cables and cabl...

Page 115: ...If the control cables are frozen or do not work smoothly you could be unable to control the ATV which could lead to an acci dent or collision EBU28711 Checking and lubricating the front and rear brake levers The operation of the front and rear brake levers should be checked before each ride and the lever pivots should be lubricated if necessary Front brake lever Recommended lubricant Engine oil Re...

Page 116: ...ked before each ride and the pedal pivot should be lubricated if necessary TIP To access the brake pedal pivot remove the foot board See Engine oil on page 8 11 for removal and installation procedures EBU24963 Checking the wheel hub bearings The front and rear wheel hub bearings must be checked at the intervals specified in the periodic maintenance and lubrication chart If there is play Recommende...

Page 117: ... pe riodic maintenance and lubrication chart EBU25092 Lubricating the steering shaft The steering shaft must be lubricated by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart TIP For parts equipped with a grease nipple use a grease gun Recommended lubricant Lithium soap based grease Recommended lubricant Lithium soap based grease 1 Grease nipple U1P066E0...

Page 118: ...ield your eyes when working near batteries Antidote EXTERNAL Flush with water INTERNAL Drink large quantities of water or milk Follow with milk of magnesia beaten egg or vegetable oil Call a physician immediately EYES Flush with water for 15 minutes and get prompt medical attention Batteries produce explosive gases Keep sparks flame cigarettes or other sources of ig nition away Ventilate when char...

Page 119: ... and correct the breather hose routing as explained in step 5 of To in stall the battery 6 Install the battery cover To remove the battery 1 Remove the battery cover by pulling it upward 2 Disconnect the negative battery lead NOTICE When removing the battery the main switch must be off and the negative lead must be disconnected before the pos itive lead ECB01001 3 Remove the battery holding plate ...

Page 120: ... Be sure the battery is fully charged 1 Install the battery 2 Connect the positive battery lead NOTICE When installing the battery the main switch must be off and the positive lead must be connected before the negative lead ECB01110 3 Install the holding plate by installing the bolts 4 Connect the negative battery lead 5 Make sure that the breather hose is properly routed in good condition and not...

Page 121: ... located under the seat See page 4 11 If the fuse is blown replace it as follows 1 Turn the key to OFF and turn off all electrical circuits NOTICE ECB00640 To prevent accidental short circuiting turn off the main switch when checking or replacing a fuse 1 Battery 2 Battery breather hose 3 Hose clamp 4 Breather hose end 4 1 2 3 1 Fuse 2 Spare fuse U1P066E0 book Page 42 Thursday August 5 2010 4 15 P...

Page 122: ... the key to ON and turn on the electrical circuits to check if the devices operate 4 If the fuse immediately blows again have a Yamaha dealer check the electrical system EBU25481 Replacing a headlight bulb If a headlight bulb burns out replace it as follows 1 Remove the cover at the rear of the headlight by pulling it off 2 Remove the headlight bulb holder cover by pulling it off Specified fuse 20...

Page 123: ...will be adversely affected Thoroughly clean off any dirt and finger prints on the headlight bulb using a cloth moistened with alcohol or thinner ECB00651 6 Install the bulb holder by pushing it in and turn ing it clockwise 7 Install the bulb holder cover and the cover at the rear of the headlight NOTICE Make sure the headlight bulb holder cover is securely fitted over the bulb holder and seated pr...

Page 124: ...beam turn the adjusting screw in direction b EBU25611 Replacing the tail brake light bulb 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 burnt out bulb by pushing it in and turning it counterclockwise 1 Headlight beam adjusting screw 1 Tail brake light bulb holder U1P066E0 book Page 45 Thursda...

Page 125: ...2 Loosen the wheel nuts 3 Elevate the ATV and place a suitable stand under the frame 4 Remove the nuts from the wheel 5 Remove the wheel EBU25701 Installing a wheel 1 Place the ATV on a level surface 2 Install the wheel and the nuts TIP The arrow mark on the tire must point toward the rotating direction of the wheel 1 Tail brake light bulb holder 2 Tail brake light bulb 1 Wheel nut U1P066E0 book P...

Page 126: ...apered side to wards the wheel 3 Lower the ATV to the ground 4 Tighten the wheel nuts to the specified torques 1 Arrow mark 1 1 Tapered nut Tightening torques Front wheel nut 55 Nm 5 5 m kgf 40 ft lbf Rear wheel nut 55 Nm 5 5 m kgf 40 ft lbf U1P066E0 book Page 47 Thursday August 5 2010 4 15 PM ...

Page 127: ...ny repair take it to a Yamaha dealer whose skilled technicians have the necessary tools expe rience and know how to service the ATV properly Use only genuine Yamaha replacement parts Im itation parts may look like Yamaha parts but they are often inferior have a shorter service life and can lead to expensive repair bills WARNING EWB02280 Do not smoke when checking the fuel system Fuel can ignite or...

Page 128: ...check the electrodes 3 Ignition Wipe off with a dry cloth and correct the spark plug gap or replace the spark plug Have a Yamaha dealer check the ATV The engine does not start Have a Yamaha dealer check the ATV The engine does not start Check the battery Operate the electric starter 4 Battery The engine turns over quickly The engine turns over slowly The battery is good Check the electrolyte level...

Page 129: ...n dry out the linings EWB02311 NOTICE Excessive water pressure may cause water seepage and deteriora tion of wheel bearings brakes transmis sion seals and electrical devices Many expensive repair bills have resulted from improper high pressure detergent applica tions such as those available in coin oper ated car washers ECB00711 4 Once most of the dirt has been hosed off wash all surfaces with war...

Page 130: ... available to prevent the fuel from deteriorat ing 5 Perform the following steps to protect the cyl inder piston rings etc from corrosion a Remove the spark plug cap and spark plug 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 sparkin...

Page 131: ...om entering it 9 Remove the battery and fully charge it Store it in a cool dry place and charge it once a month Do not store the battery in an exces sively cold or warm place less than 0 C 30 F or more than 30 C 90 F For more in formation on storing the battery see page 8 39 TIP Make any necessary repairs before storing the ATV U1P066E0 book Page 3 Thursday August 5 2010 4 15 PM ...

Page 132: ...vel Noise level 77 311 EEC YFM25BA 77 5 dB A Vibration on seat EN1032 ISO5008 YFM25BA Will not exceed 0 5 m s Vibration on handlebar EN1032 ISO5008 YFM25BA Will not exceed 2 5 m s Engine Engine type Air cooled 4 stroke SOHC Cylinder arrangement Forward inclined single cylinder Displacement 229 cm Bore stroke 71 0 58 0 mm 2 80 2 28 in Compression ratio 8 70 1 Starting system Electric and recoil sta...

Page 133: ...d gasoline only YFM25BA Regular unleaded gasoline only Fuel tank capacity 12 0 L 3 17 US gal 2 64 Imp gal Fuel reserve amount 1 6 L 0 42 US gal 0 35 Imp gal Carburetor Type quantity BSR33 x 1 Spark plug s Manufacturer model NGK DR7EA Spark plug gap 0 6 0 7 mm 0 024 0 028 in Clutch Clutch type Wet centrifugal automatic Transmission Primary reduction system Spur gear Primary reduction ratio 73 22 3 ...

Page 134: ...E TRAIL WOLF YFM25BA MAXXIS M905 Rear tire Type Tubeless Size AT22 x 10 00 10 Manufacturer model YFM250A CARLISLE TRAIL WOLF YFM25BA MAXXIS M906 Loading Maximum loading limit 165 0 kg 364 lb Total weight of rider cargo accessories and tongue Tire air pressure measured on cold tires Recommended Front 20 0 kPa 0 200 kgf cm 2 9 psi Rear 25 0 kPa 0 250 kgf cm 3 6 psi Minimum Front 17 0 kPa 0 170 kgf c...

Page 135: ...ension Type Swingarm monocross Spring shock absorber type Coil spring oil damper Wheel travel 135 mm 5 3 in Electrical system Ignition system DC CDI Charging system AC magneto Battery Model CB14A A2 Voltage capacity 12 V 14 0 Ah Headlight Bulb type Krypton bulb Bulb voltage wattage quantity Headlight 12 V 30 0 30 0 W 2 Tail brake light 12 V 5 0 21 0 W 1 Neutral indicator light 12 V 1 7 W 1 Reverse...

Page 136: ...parts from a Yamaha dealer or for reference in case the ATV is stolen VEHICLE IDENTIFICATION NUMBER MODEL LABEL INFORMATION EBU26041 Vehicle identification number The vehicle identification number is stamped into the frame The year of manufacture is listed in the vehicle identification number as shown in the illustration 1 Vehicle identification number U1P066E0 book Page 1 Thursday August 5 2010 4...

Page 137: ...on 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 er 1 Vehicle identification number 2 Year of manufacture 0 0 8 2008 9 2009 A 2010 B 2011 I O Q U Z not used 1 2 1 Model label U1P066E0 book Page 2 Thursday August 5 2010 4 15 PM ...

Page 138: ...8 25 Carrier front 4 13 Carrier rear 4 13 Chassis fasteners 5 6 Cleaning 9 1 Clutch free play adjusting 8 35 D Drive select lever 4 7 Drive select lever and driving in reverse 6 3 Drive select lever safety system cable adjusting 8 28 E Engine break in 6 6 Engine cold start 6 1 Engine idling speed 8 26 Engine oil 5 3 Engine oil and oil filter element 8 11 Engine starting a warm 6 3 Engine stop swit...

Page 139: ...ck absorber assembly adjusting the rear 4 14 Spark arrester cleaning 8 24 Spark plug checking 8 9 Specifications 10 1 Speed limiter 4 4 Starter choke 4 11 Start switch 4 3 Steering shaft lubricating 8 38 Storage 9 2 Storage compartment 4 12 Swingarm pivots lubricating 8 38 T Tail brake light bulb replacing 8 45 Throttle lever 4 3 5 4 Throttle lever free play adjusting 8 27 Tires 5 4 Troubleshootin...

Page 140: ...YAMAHA MOTOR CO LTD PRINTED IN USA 2010 08 0 3 1 CR E U1P066E0 book Page 1 Thursday August 5 2010 4 15 PM ...

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Yamaha big bear 250 YFM25BA, Owner'S Manual

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