background image

8-30

8

TIP

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. To loosen the drive chain, push the ATV
forward.

NOTICE

ECB00541

Improper drive chain slack will overload the en-
gine as well as other vital parts of the ATV and
can lead to drive chain slippage or breakage.
To prevent this from occurring, keep the drive
chain slack within the specified limits.

6. Pull the rod out, and then tighten the rear axle

pinch bolts to the specified torque in the order
shown.

1. Rear wheel axle pinch bolt
2. Rod

3. Drive chain tensioner

4. Hole

4

3

2

1

1

Tightening torque:

Rear axle pinch bolt:

21 Nm (2.1 m·kgf, 15.2 ft·lbf)

1 2
5 6

3 4
7 8

U33B70E0.book  Page 30  Wednesday, June 11, 2008  1:38 PM

Summary of Contents for YFM250R-W

Page 1: ...33B F8199 70 YFM250R W YFM250RSE W OWNER S MANUAL READ THIS MANUAL CAREFULLY It contains important safety information DIC183 ...

Page 2: ...EBU28980 Read this manual carefully before operating this vehicle This manual should stay with this ve hicle if it is sold U33B70E0 book Page 1 Wednesday June 11 2008 1 38 PM ...

Page 3: ...ty 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 COMPLETELY BEFORE OPERATING YOUR ATV MAKE SURE YOU UNDER STAND ALL INSTRUCTIONS PAY...

Page 4: ...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 5: ...ce paved street paved road or motorway Please check your local riding laws and regulations before operating this ATV EBUM0010 YFM250R W YFM250RSE W OWNER S MANUAL 2008 by MBK INDUSTRIE 1st edition June 2008 All rights reserved Any reprinting or unauthorized use without the written permission of MBK INDUSTRIE is expressly prohibited Printed in France U33B70E0 book Page 1 Wednesday June 11 2008 1 38...

Page 6: ... 4 7 Parking brake lever 4 8 Shift pedal 4 9 Fuel tank cap 4 9 Fuel 4 10 Fuel cock 4 11 Starter choke 4 12 Steering lock 4 13 Seat 4 14 Adjusting the front shock absorber assemblies YFM250R W 4 14 Adjusting the front shock absorber assemblies YFM250RSE W 4 15 Adjusting the rear shock absorber assembly YFM250R W 4 20 Adjusting the rear shock absorber assembly YFM250RSE W 4 22 PRE OPERATION CHECKS 5...

Page 7: ...r s manual and tool kit 8 1 Periodic maintenance chart for the emission control system 8 3 General maintenance and lubrication chart 8 5 Checking the spark plug 8 8 Engine oil and oil filter element 8 9 Cleaning the air filter element 8 13 Cleaning the spark arrester 8 17 Adjusting the carburetor 8 18 Adjusting the engine idling speed 8 19 Adjusting the throttle cable free play 8 20 Valve clearanc...

Page 8: ...8 34 Lubricating the steering shaft 8 35 Battery 8 36 Replacing the fuse 8 38 Headlight bulb 8 39 Headlight beam 8 40 Replacing the tail brake light bulb 8 40 Replacing a turn signal light bulb 8 40 Auxiliary light bulb 8 41 Removing a wheel 8 41 Installing a wheel 8 42 Troubleshooting 8 43 Troubleshooting chart 8 44 CLEANING AND STORAGE 9 1 Cleaning 9 1 Storage 9 2 SPECIFICATIONS 10 1 CONSUMER IN...

Page 9: ...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 10: ...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 11: ...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 linings Always use the size and type of tires specified in this manual Always maintain proper tire pressure as de scribed in this manual Never modify an ATV through improper installa tion or use of accessories Never exceed the st...

Page 12: ...gasoline vapor or get some gasoline in your eyes seek medical help immediately If gasoline spills on your skin wash with soap and wa ter If gasoline spills on your clothing change your clothes WARNING EWB00070 Always operate your ATV in an area with ade quate ventilation Never start or run the engine in a closed area Exhaust fumes are poisonous and may cause loss of consciousness and death within ...

Page 13: ...2 1 2 EBU17660 LOCATION OF THE WARNING AND SPECIFICATION LABELS 4 5 6 8 7 3 2 1 U33B70E0 book Page 1 Wednesday June 11 2008 1 38 PM ...

Page 14: ... 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 U33B70E0 book Page 2 Wednesday June 11 2008 1 38 PM ...

Page 15: ...2 3 2 U33B70E0 book Page 3 Wednesday June 11 2008 1 38 PM ...

Page 16: ...2 4 2 U33B70E0 book Page 4 Wednesday June 11 2008 1 38 PM ...

Page 17: ... Headlight 2 Fuel cock 3 Starter choke 4 Throttle stop screw 5 Fuse 6 Tail brake light 7 Shift pedal 7 1 2 3 4 5 6 1 Spark arrester 2 Seat 3 Fuel tank cap 4 Steering lock 5 Oil filter element 6 Brake pedal 5 1 2 3 4 6 U33B70E0 book Page 1 Wednesday June 11 2008 1 38 PM ...

Page 18: ...d 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 Brake lever 1 4 2 3 5 7 6 8 U33B70E0 book Page 2 Wednesday June 11 2008 1 38 PM ...

Page 19: ...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 The key cannot be removed OFF All electrical systems are off The key can be re moved 1 Main switch OFF ON 1 U33B70E0 book Page 1 Wednesday June 11 2008 1 38 PM ...

Page 20: ...neutral position EBU27980 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 1 High beam indicator light 2 Turn signal indicator light 3 Neutral indicator light N 3 2 1 1 Speedometer 2 Odomet...

Page 21: ...en 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 EBU18100 Start switch Push this switch to crank the engine with the start er 1 Light switch 2 Start switch 3 Horn switch 4 Hazard switch 5 Turn signal switch 1 2 3 4 5 1 Engine stop switch U33B70E0 book Page 3 Wednesday June 11 2008 1 38 PM ...

Page 22: ...ghts push the switch in after it has returned to the center position EBU18170 Horn switch Press the switch to sound the horn EBUM0220 Hazard switch Turn this switch to to turn on the hazard lights simultaneous flashing of all turn signal lights The hazard lights are used in case of an emergen cy or to warn other drivers when your vehicle is stopped where it might be a traffic hazard NOTICE ECB0086...

Page 23: ...problem be fore riding the ATV or consult a Yamaha dealer EBU18321 Speed limiter Your ATV was delivered with an adjustable speed limiter The speed limiter keeps the throttle from fully opening even when the throttle lever is pushed to the maximum 1 Loosen the locknut 2 To increase the maximum engine power avail able and the maximum speed of the ATV turn the adjusting screw in direction a To de cre...

Page 24: ...r The clutch lever is located on the left handlebar and the ignition circuit cut off system is incorporat ed in the clutch lever holder To disengage the clutch pull the clutch lever toward the handlebar grip To engage the clutch release the clutch lever The clutch lever should be pulled rapidly and re leased slowly for smooth clutch operation See page 6 1 for a description of the ignition circuit ...

Page 25: ... locknut turn the adjust ing bolt and then tighten the locknut EBU28070 Brake pedal The brake pedal is located on the right side of the ATV This model is equipped with a unified brake sys tem When pressing down on the brake pedal the brak ing force is applied to the rear brake and a portion of the front brakes For full braking performance apply both the brake lever and the brake pedal si multaneou...

Page 26: ...ecially on a slope To apply the parking brake move the parking brake lever in direction a To release the parking brake move the parking brake lever in direction b 1 Brake pedal 1 1 Parking brake lever locked position 1 Parking brake lever unlocked position U33B70E0 book Page 8 Wednesday June 11 2008 1 38 PM ...

Page 27: ...ou 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 EBU18530 Shift pedal This ATV is equipped with a constant mesh 5 speed transmission The shift pedal is located on the left side of the engine and is used in combina tion with the clutch when shifting EBU18720 Fuel tank cap Remove the f...

Page 28: ...ng occurs use a different brand of gasoline or higher octane grade 1 Fuel tank cap 1 1 Fuel level 2 Filler tube Recommended fuel Regular unleaded gasoline only with a re search octane number of 91 or higher Fuel tank capacity 9 0 L 2 38 US gal 1 98 Imp gal Fuel reserve amount 1 0 L 0 26 US gal 0 22 Imp gal U33B70E0 book Page 10 Wednesday June 11 2008 1 38 PM ...

Page 29: ...pipe which can cause a fire and severe injury Wipe up any spilled fuel immediately Do not refuel right after the engine has been running and is still very hot Be sure the fuel tank cap is closed securely EBU18820 Fuel cock The fuel cock supplies fuel from the tank to the car buretor while also filtering it The fuel cock lever positions are explained as fol lows and shown in the illustrations OFF W...

Page 30: ...l cock lever to this position if you run out of fuel while riding When this occurs refuel as soon as possible and be sure to turn the fuel cock lever back to ON EBU18840 Starter choke 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 1 Arrow mark positioned over ON ON 1 1 Arrow mark p...

Page 31: ...e handlebar all the way to either side 2 Open the steering lock cap and then insert the steering lock key 3 Turn the key 1 8 turn counterclockwise push it in and then turn the key 1 8 turn clockwise 4 Check that the steering is locked remove the key and then close the steering lock cap 1 Starter choke a b 1 1 Steering lock cap 2 Steering lock 1 2 U33B70E0 book Page 13 Wednesday June 11 2008 1 38 P...

Page 32: ... lever upward and pull up the seat at the rear To install the seat Insert the projections on the front of the seat into the seat holders and push down on the seat at the rear TIP Make sure that the seat is securely fitted 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 Adjust the spring prelo...

Page 33: ...handling and loss of stability which could lead to an ac cident EBU29300 Adjusting the front shock absorber as semblies YFM250RSE W These shock absorber assemblies are equipped with a spring preload adjusting nut a rebound damping force adjusting screw with a compres sion damping force adjusting bolt for fast com pression damping and a compression damping force adjusting screw for slow compression...

Page 34: ...amaged or worn out shock absorber assembly yourself Take the shock absorber assembly to a Yamaha deal er for any service Spring preload 1 Loosen the locknut 2 Turn the adjusting nut in direction a to in crease 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 dea...

Page 35: ...d damping force Turn the adjusting screw in direction a to increase the rebound damping force and thereby harden the damping and in direction b to decrease the re bound damping force and thereby soften the damping Spring preload setting Minimum hard Distance A 197 6 mm 7 78 in Standard Distance A 206 0 mm 8 11 in Maximum soft Distance A 209 6 mm 8 25 in 1 Distance A 1 Tightening torque Locknut 42 ...

Page 36: ...ression damping turn the adjusting bolt in direction b 1 Rebound damping force adjusting screw 2 Position indicator marks Rebound damping setting Minimum soft 20 click s in direction b Standard 12 click s in direction b Maximum hard 3 click s in direction b With the adjusting screw fully turned in direc tion a 1 a b 1 2 1 Compression damping force adjusting bolt for fast compression damping 2 Posi...

Page 37: ...urn the adjusting screw in direction b 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 Compression damping setting for slow com pression damping Minimum soft 16 click s i...

Page 38: ...ping force adjusting bolt and screw the rebound damping force adjusting screw or the oil reservoir with your bare hand or skin until suspension components have cooled Always adjust the shock absorber assem blies on the left and right side to the same setting Uneven adjustment can cause poor handling and loss of stability which could lead to an accident EBU28240 Adjusting the rear shock absorber as...

Page 39: ...m 0 04 in NOTICE ECB00090 Never turn an adjusting mechanism beyond the minimum and maximum settings 3 Tighten the locknut to the specified torque NOTICE ECB00080 Always tighten the locknut against the adjust ing nut and then tighten it to the specified torque 1 Locknut 2 Spring preload adjusting nut 3 Distance A 2 1 b 3 a Spring preload setting Minimum hard Distance A 222 mm 8 74 in Standard Dista...

Page 40: ...g preload rebound damping and com pression damping forces of the rear shock absorb er assembly can be adjusted to suit the rider s weight and the riding conditions WARNING EWB00430 This shock absorber assembly contains highly pressurized nitrogen gas Read and under stand the following information before han dling the shock absorber assembly Do not tamper with or attempt to open the cylinder assemb...

Page 41: ...istance A shown in the illustration The shorter distance A is the higher the spring preload the longer distance A is the lower the spring preload With each complete turn of the adjusting nut distance A is changed by 1 5 mm 0 06 in 3 Tighten the locknut to the specified torque 1 Locknut 2 Spring preload adjusting nut 1 2 a b 1 Distance A Spring preload setting Minimum hard Distance A 220 0 mm 8 66 ...

Page 42: ...the damping and in direction b to decrease the re bound damping force and thereby soften the damping Tightening torque Locknut 42 Nm 4 2 m kgf 30 ft lbf 1 Rebound damping force adjusting dial Rebound damping setting Minimum soft 20 click s in direction b Standard 12 click s in direction b Maximum hard 3 click s in direction b With the adjusting screw fully turned in direc tion a 1 a b U33B70E0 boo...

Page 43: ...he above specifications due to small differences in production the actual number of clicks always rep resents the entire adjusting range To obtain a pre cise adjustment it would be advisable to check the number of clicks of each damping force adjusting mechanism and to modify the specifications as necessary 1 Compression damping force adjusting screw 2 Position indicator marks 1 2 a b Compression ...

Page 44: ...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 U33B70E0 book Page 26 Wednesday June 11 2008 1 38 PM ...

Page 45: ...enance charts on page 8 3 to determine which service should be performed by a Yamaha dealer 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 10 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 9 Front bra...

Page 46: ...tion is smooth Lubricate if necessary 8 32 Drive chain Check chain slack and adjust if necessary Check chain condition Lubricate if necessary 5 4 8 29 8 31 Wheels and tires Check wheel condition and replace if damaged Check tire condition and tread depth Replace if necessary Check air pressure Correct if necessary 5 4 5 5 5 6 Shift pedal Make sure that operation is smooth Correct if necessary 8 34...

Page 47: ...ne oil Make sure that the engine oil is at the specified lev el Add oil as necessary See page 8 9 EBU19710 Front and rear brakes Brake lever and brake pedal Check that there is no free play in the brake le ver If there is free play have a Yamaha dealer check the brake system Check for correct brake pedal height See page 8 25 If the pedal height is incorrect have a Yamaha dealer adjust it Check the...

Page 48: ... by the adjust ment procedures provided in this manual have a Yamaha dealer check for the cause EBU19761 Throttle lever Check the operation of the throttle lever It must open smoothly and spring back to the idle position when released Have a Yamaha dealer correct if necessary EBU19770 Drive chain Check the condition of the drive chain and check the drive chain slack Lubricate and adjust the drive ...

Page 49: ...tire pressure Front 24 5 kPa 0 245 kgf cm 3 6 psi Rear 24 5 kPa 0 245 kgf cm 3 6 psi Use no more than the following pressures when seating the tire beads Maximum tire seating pressure Front 250 kPa 2 5 kgf cm 36 psi Rear 250 kPa 2 5 kgf cm 36 psi Higher pressures and fast inflation may cause a tire to burst Inflate the tires very slowly and carefully EBU19821 Measuring the tire pressure Use the lo...

Page 50: ... nuts bolts and screws are prop erly tightened EBU19850 Instruments lights and switches Check that all instruments lights and switches are working properly Correct if necessary 1 Low pressure tire gauge Recommended pressure Front 27 5 kPa 0 275 kgf cm 4 0 psi Rear 27 5 kPa 0 275 kgf cm 4 0 psi Minimum Front 24 5 kPa 0 245 kgf cm 3 6 psi Rear 24 5 kPa 0 245 kgf cm 3 6 psi 1 Tire wear limit U33B70E0...

Page 51: ... acci dent or collision NOTICE ECB00150 See the Engine break in section on page 6 5 prior to operating the engine for the first time 1 Set the parking brake 2 Turn the fuel cock to ON 3 Turn the main switch to ON and 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 elec...

Page 52: ...ble to preserve battery energy Do not crank the engine more than 10 seconds on each attempt 7 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 NOTICE ECB00160 For maximum engine life always ...

Page 53: ...ills etc To shift into neutral return the throttle lever to the closed position apply the clutch and then repeat edly depress the shift pedal until it stops When it stops it will be in first gear Raise the pedal slightly to reach the neutral position EBU28111 To start out and accelerate 1 Release the throttle lever and then release the parking brake NOTICE ECB00200 Always close the throttle before...

Page 54: ...rn 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 can cause the tires to lose traction reducing con trol and increasing the possibility of an accident WARNING EWB00710 Make sur...

Page 55: ... 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 operation or any condition that might result in en gine overheating must be avoided 0 160 km 0 100 mi or 0 10 hours Avoid prolonged operation above 1 2 throttle Vary the speed of the ATV regularly Do not operate it at...

Page 56: ...ift into first gear stop the engine ap ply the parking brake and then block the front and rear wheels with rocks or other objects 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 With the rear brake applied apply the parking brake and slowly release...

Page 57: ...o control the ATV Exam ples include but are not limited to a heavy or bulky object attached to the handlebars which could make steering difficult an accessory that limits your ability to move around on the seat or one that limits your view Use extra caution when riding an ATV with ac cessories The ATV may handle differently than it does without accessories EBU20940 Loading As originally equipped t...

Page 58: ...d 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 and rough terrain Choose terrain carefully Added weight affects the stability and handling of the ATV WARNING EWB00820 Never exceed the stated load capacity for this ATV Ove...

Page 59: ...7 1 7 EBU21141 RIDING YOUR ATV U33B70E0 book Page 1 Wednesday June 11 2008 1 38 PM ...

Page 60: ...e and warning labels on your ATV RIDE WITH CARE AND GOOD JUDGEMENT Get training if you are inexperienced Beginners should get training from a certified in structor 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 you are totally familiar with the ATV s handling and performance characteristics WARNING ...

Page 61: ... the child This ATV is designed to carry operator only passengers prohibited WARNING EWB01400 Never carry a passenger The long seat is to al low the operator to shift position as needed during operation It is not for carrying passen gers Carrying a passenger on this ATV greatly reduces your ability to balance and control this ATV It could cause an accident resulting in harm to you and or your pass...

Page 62: ...creases your chances of a severe head injury or death in the event of an accident Operating without eye protection can result in an accident and in creases your chances of a severe injury in the event of an accident Operating without protec tive clothing increases your chances of severe injury in the event of an accident Do not operate after consuming alcohol or drugs The operator s performance ca...

Page 63: ...r equipment damage WARNING EWB01440 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 Use of improper tires on this ATV or operation of this ATV with improper or uneven tire pres sure may cause loss of control increasing your risk of an accident Do not operate at speeds to...

Page 64: ...argo or tow a trailer If you choose to add ac cessories so that you can carry cargo or tow a trail er you must use common sense and good judgment Use extra caution when riding the ATV with addi tional loads such as accessories or cargo The ATV s handling may be adversely affected Re duce your speed when adding additional loads WARNING EWB01460 Never exceed the stated load capacity for this ATV Car...

Page 65: ...our ATV during operation Removing even one hand or foot can reduce your ability to control the ATV or could cause you to lose your balance and fall off of the ATV If you remove a foot from a footboard your foot or leg may come into con tact with the rear wheels which could injure you or cause an accident Avoid wheelies and jumping You may lose control of the ATV or overturn WARNING EWB01480 Never ...

Page 66: ...ns consult an au thorized ATV dealer Exhaust system The exhaust system on the ATV is very hot during and following operation To prevent burns avoid touching the exhaust system Park the ATV in a place where pedestrians or children are not likely to touch it Also avoid parking in or around dry grass brush or other combustible materials to pre vent causing a fire hazard WARNING EWB01500 Do not touch ...

Page 67: ...surfaces may seriously affect handling and control of the ATV and may cause the ATV to go out of control 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 know your country s laws and regulations before you ride on unpaved public streets or roads Do not ri...

Page 68: ...s rocks or roots in the terrain and other hidden hazards which may cause the ATV to upset WARNING EWB01530 Go slowly and be extra careful when operating on unfamiliar terrain Always be alert to chang ing terrain conditions when operating the ATV WARNING EWB01540 Do not operate on excessively rough slippery or loose terrain until you have learned and practiced the skills necessary to control the AT...

Page 69: ...sert terrain mount a caution flag on the ATV DO NOT use the flag pole bracket as a trailer hitch WARNING EWB01550 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 Watch carefully for other vehicles Do not ride in areas posted no trespassing Do not ride on private property without getting per mission U33B70E0 book ...

Page 70: ...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 Open the throttle grad ually and at the same time release the clutch le ver slowly Once the ATV has attained adequate speed release the throttle lever and at the same time quickly pull in the clutch lever and shift into 2nd gear Open...

Page 71: ...aved surfac es the two rear wheels are mounted solidly on one axle and turn together at the same speed There fore unless the wheel on the inside of the turn is al lowed to slip or lose some traction the ATV will resist turning A special turning technique must be used to allow the ATV to make turns quickly and easily It is essential that this skill be learned first at low speed WARNING EWB01570 Alw...

Page 72: ...ay cause the ATV to tip If the ATV begins to tip over to the outside while negotiating a turn lean more to the inside It may also be necessary to gradually let off on the throttle and steer to the out side of the turn to avoid tipping over Remember Avoid higher speeds until you are thoroughly familiar with the operation of your ATV CLIMBING UPHILL Use proper riding techniques to avoid ATV over tur...

Page 73: ...res for climb ing hills as described in this Owner s Manu al 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 of any hill at high speed An obstacle a sharp drop or another vehicle ...

Page 74: ...rocedures as de scribed in the Owner s Manual Avoid hills with excessively slippery or loose surfaces Shift your weight to the uphill side of the ATV If your ATV has stalled or stopped and you believe you can continue up the hill restart carefully to make sure you do not lift the front wheels which could cause you to lose control If you are unable to continue up the hill dismount the ATV on the up...

Page 75: ... apply the brake pedal as well and then lock the parking brake Dismount on uphill side or to a side if pointed straight uphill Turn the ATV around and re mount following the procedure described in the Owner s Manual RIDING DOWNHILL When riding your ATV downhill shift your weight as far to the rear and uphill side of the ATV as pos sible Move back on the seat and sit with your arms straight Choose ...

Page 76: ...the terrain carefully before you start down any hill Shift your weight backward Never go down a hill at high speed Avoid going down a hill at an angle that would cause the ATV to lean sharply to one side Go straight down the hill where possi ble CROSSING A SLOPE Traversing a sloping surface on your ATV requires you to properly position your weight to maintain proper balance Be sure that you have l...

Page 77: ...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 When crossing the side of a hill Always follow proper procedures as de scribed in the Owner s Manual Avoid hills with excessively slippery or loose surfaces Shift your weight to the uphill side of the ATV CROSSING THROUGH SH...

Page 78: ...ter If necessary apply them several times to let friction dry out the lin ings If the ATV is operated through deep or fast flowing water the tires may float causing loss of traction and loss of control which could lead to an accident Test your brakes after leaving the water Do not continue to ride your ATV without verifying that you have regained proper braking ability U33B70E0 book Page 20 Wednes...

Page 79: ... done with cau tion Look out for obstacles which could cause damage to the ATV or could lead to an upset or ac cident Be sure to keep your feet firmly mounted on the footboards at all times Avoid jumping the ATV as loss of control and damage to the ATV may re sult WARNING EWB01650 Before operating in a new area check for ob stacles Never attempt to ride over large obsta cles such as large rocks or...

Page 80: ...e rear wheels of your ATV start to slide side ways control can usually be regained if there is room to do so by steering in the direction of the slide Applying the brakes or accelerating is not recommended until you have corrected the slide With practice over a period of time skill at con trolled sliding can be developed The terrain should be chosen carefully before attempting such maneuvers since...

Page 81: ...e sideways Steer in the direction of the slide if you have the room Applying the brakes or accelerating is not recommended until you have corrected the slide See page 7 22 If your ATV can t make it up a hill you are trying to climb Turn the ATV around if you still have forward speed If not stop dismount on the uphill side of the ATV and physically turn the ATV around If the ATV starts to slip back...

Page 82: ...NT 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 U33B70E0 book Page 24 Wednesday June 11 2008 1 38 PM ...

Page 83: ...GEOGRAPHICAL LOCATION AND INDIVIDUAL USE THE MAINTENANCE INTER VALS MAY NEED TO BE SHORTENED WARNING EWB01840 Never service an engine while it is running Moving parts can catch clothing or parts of the body causing injury Electrical components can cause shocks or start fires Turn off the en gine when performing maintenance unless otherwise specified Have a Yamaha dealer perform the service if you ...

Page 84: ...ha dealer perform it for you WARNING EWB01850 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 All parts and accessories added to this ATV should be gen uine Yamaha or equivalent components de signed for use on this ATV and should be installed and used according to instructions If you ...

Page 85: ...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 86: ...rk arrester Clean 8 Air induction sys tem Check the air cut off valve reed valve and hose for damage Replace any damaged parts if necessary 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 U33B70E0 book Page 4 Wednesday June 11 2008 1 38 PM ...

Page 87: ... necessary Replace brake pads Whenever worn to the limit 4 Rear brake Check operation and correct if necessary Check fluid level and ATV for fluid leakage and correct if necessary Replace brake pads Whenever worn to the limit 5 Brake hoses Check for cracks or other damage and replace if necessary Replace Every 4 years 6 Parking brake Check operation and adjust if necessary 7 Wheels Check runout an...

Page 88: ...ned 15 Shock absorber as semblies Check operation and correct if necessary Check for oil leakage and replace if necessary 16 Steering shaft Lubricate with lithium soap based grease 17 Steering system Check operation and repair or replace if damaged Check toe in and adjust if necessary 18 Engine mount Check for cracks or other damage and replace if necessary 19 Engine oil Change Check ATV for oil l...

Page 89: ...our years and if cracked or damaged 21 Moving parts and cables Lubricate 22 Throttle lever hous ing and cable Check operation and correct if necessary Check throttle cable free play and adjust if neces sary Lubricate throttle lever housing and cable 23 Front and rear brake switches Check operation and correct if necessary 24 Lights and switches Check operation and correct if necessary Adjust headl...

Page 90: ...g 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 normally TIP If the spark plug shows a distinctly different color the engine could be operating improperly Do not attempt to diagnose such problems yourself ...

Page 91: ...1 4 1 2 turn past finger tight However the spark plug should be tightened to the specified torque as soon as possible 4 Install the spark plug cap EBU28953 Engine oil and oil filter element The engine oil level should be checked before each ride In addition the oil must be changed and the oil filter element must be replaced at the inter vals specified in the periodic maintenance and lu brication c...

Page 92: ... level marks 5 If the engine oil is at or below the minimum level mark add sufficient oil of the recom mended type to raise it to the correct level 6 Insert the dipstick into the oil filler hole and then tighten the engine oil filler cap To change the engine oil with or without oil fil ter element replacement 1 Start the engine warm it up for several min utes and then turn it off 2 Place an oil pa...

Page 93: ... Remove the oil filter element cover by remov ing the bolts and then remove the oil filter el ement 5 Check the O rings for damage and replace them if necessary 1 Engine oil drain bolt 1 1 Oil filter element cover 2 Bolt 1 2 U33B70E0 book Page 11 Wednesday June 11 2008 1 38 PM ...

Page 94: ...ter 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 Oil filter element 2 O ring Tightening torque Oil filter element cover bolt 10 Nm 1 0 m kgf 7 2 ft lbf 1 2 2 Tightening torque Engine oil drain bolt 20 ...

Page 95: ...if necessary EBU23704 Cleaning the air filter element The air filter element should be cleaned at the in tervals specified 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 ...

Page 96: ...he air filter element together with the wing bolt and washer 6 Remove the wing bolt and washer from the air filter element 7 Remove the sponge material from the air filter element frame 1 Air filter case cover 2 Air filter case cover holder 1 2 1 Wing bolt 2 Air filter element 1 2 U33B70E0 book Page 14 Wednesday June 11 2008 1 38 PM ...

Page 97: ... Squeeze the excess solvent out of the sponge material and let it dry NOTICE ECB00440 Do not twist the sponge material when squeez ing it 10 Check the sponge material and replace it if damaged 11 Apply a quality foam air filter oil to the sponge material TIP The sponge material should be wet but not drip ping 12 Pull the sponge material over the air filter ele ment frame 1 Sponge material 2 Air fi...

Page 98: ... filter element maintenance is performed check the air inlet of the air filter case for obstructions Check the air filter case rubber joint to the carburetor fittings and the rubber joint manifold fittings for an air tight seal Tighten all fit tings securely to avoid the possibility of unfiltered air entering the engine NOTICE ECB00460 Make sure that the air filter element is prop erly seated in t...

Page 99: ...uffler 3 Tap the tailpipe lightly and then use a wire brush to remove any carbon deposits from the spark arrester portion of the tailpipe and inside of the tailpipe housing 4 Make sure the gasket is properly positioned then insert the tailpipe into the muffler and align the bolt holes 1 Bolt 2 Tailpipe 2 1 1 1 Tailpipe 2 Spark arrester 2 1 U33B70E0 book Page 17 Wednesday June 11 2008 1 38 PM ...

Page 100: ...rt 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 in the following section however may be performed by the owner as part of routine main tenance NOTICE ECB00480 The carburetor has been set and ext...

Page 101: ...o 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 the throt tle stop screw in direction a and to decrease it turn the screw in direction b TIP If the specified idling speed cannot be obtained as described above have ...

Page 102: ...ack 2 Loosen the locknut 3 To increase the throttle cable free play turn the throttle cable free play adjusting bolt in di rection a To decrease the throttle cable 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 resulting in improper air fuel mixture and or engine ...

Page 103: ...that the wear indicator groove has almost disappeared have a Yamaha dealer replace the brake pads as a set TIP The wheels need to be removed to check the brake pads See page 8 41 EBU24190 Rear brake pads Each brake pad is provided with a wear indicator which allows you to check the brake pad wear without having to disassemble the brake To check the brake pad wear check the position of the wear ind...

Page 104: ...luid 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 system for leakage Front brake Rear brake 1 Wear indicator 1 1 Minimum level mark 1 Minimum level mark 1 1 U33B70E0 book Page 22 Wednesday June 11 2008 1 38 PM ...

Page 105: ... fluid reservoir cap cover by in stalling the bolt Observe these precautions When checking the fluid level make sure that the top of the brake fluid reservoir is level Use only the recommended quality brake fluid otherwise the rubber seals may deteriorate causing leakage and poor braking performance 1 Bolt 2 Brake fluid reservoir cap cover 1 2 1 Brake fluid reservoir cap Recommended brake fluid DO...

Page 106: ...luid at the intervals specified in the TIP after the periodic maintenance and lubrication chart In addition have the oil seals of the master cylinders and cali pers as well as the brake hoses replaced at the in tervals listed below or whenever they are damaged or leaking Oil seals Replace every two years Brake hoses Replace every four years EBU24393 Checking the front brake lever free play The bra...

Page 107: ...ake pedal should be positioned 40 0 mm 1 57 in above the top of the frame as shown If the brake pedal is not positioned as spec ified have a Yamaha dealer adjust it WARNING EWB02110 Operating with improperly serviced or adjust ed brakes could cause loss of braking ability which could lead to an accident After servicing Make sure the brakes operate smoothly and that the brake pedal position is corr...

Page 108: ...usting bolt at the rear brake caliper 3 Loosen the locknut on the brake cable 4 Turn the adjusting nut on the brake cable in di rection a to increase the cable length and in direction b to decrease it TIP If the cable length cannot be adjusted to specifica tion consult a Yamaha dealer 5 Tighten the locknut on the brake cable 6 Turn in the adjusting bolt at the rear brake cal iper until it feels ti...

Page 109: ...ht switches The operation of the brake light switches must be checked and if necessary adjusted at the inter vals specified in the periodic maintenance and lu brication chart The brake light switch for the brake pedal can be adjusted as follows but the other brake light switches should be adjusted by a Yamaha dealer TIP The brake light switch is properly adjusted when the brake light comes on just...

Page 110: ...just it as follows 1 Slide the rubber cover back 2 Loosen the locknut at the clutch lever 3 To increase the clutch lever free play turn the adjusting bolt in direction a and to decrease it turn the bolt in direction b 4 Tighten the locknut 5 Slide the rubber cover to its original position 1 Brake light switch 2 Brake light switch adjusting nut 1 2 b a 1 Clutch lever free play 2 Locknut 3 Clutch le...

Page 111: ...e should be no weight on the ATV and all tires must be touching the ground 2 Move the ATV back and forth to locate the tightest portion of the drive chain and then measure the drive chain slack as shown 3 If the drive chain slack is incorrect adjust it as follows To adjust the drive chain slack 1 Place the ATV on a level surface 2 Loosen the rear axle pinch bolts 3 Insert a rod of a diameter of 8 ...

Page 112: ...ell as other vital parts of the ATV and can lead to drive chain slippage or breakage To prevent this from occurring keep the drive chain slack within the specified limits 6 Pull the rod out and then tighten the rear axle pinch bolts to the specified torque in the order shown 1 Rear wheel axle pinch bolt 2 Rod 3 Drive chain tensioner 4 Hole 4 3 2 1 1 Tightening torque Rear axle pinch bolt 21 Nm 2 1...

Page 113: ...etween the sensor and the speed sensor rotor is 3 5 mm 0 12 0 19 in 10 Tighten the bolt to the specified torque EBU24880 Lubricating the drive chain The drive chain must be cleaned and lubricated at the intervals specified in the periodic maintenance and lubrication chart otherwise it will quickly wear out especially when riding in dusty or wet areas Service the drive chain as follows 1 Speed sens...

Page 114: ...ngine oil or any other lubricants for the drive chain as they may contain sub stances that could damage the O rings EBU24900 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 cable ends should be lubricated if nec essary If a cable is damaged or does not move smoothly have a Yamaha dealer check or replac...

Page 115: ...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 Brake lever Clutch lever Recommended lubricants Brake lever Silicone grease Clutch lever Lithium soap based grease U33B70E0 book Page 33 Wednesday June 11 2008 1 38 PM ...

Page 116: ...cified in the periodic maintenance and lubrication chart If there is play in a wheel hub or if a wheel does not turn smoothly have a Yamaha dealer check the wheel hub bear ings EBU24994 Lubricating the swingarm pivots The swingarm pivots must be lubricated at the in tervals specified in the periodic maintenance and lubrication chart EBU25032 Lubricating the upper and lower arm pivots The upper and...

Page 117: ...st be lubricated at the inter vals specified in the periodic maintenance and lu brication chart Recommended lubricant Lithium soap based grease 1 Upper grease nipple 2 Lower grease nipple 2 1 1 Upper grease nipple 2 Lower grease nipple Recommended lubricant Lithium soap based grease 1 2 U33B70E0 book Page 35 Wednesday June 11 2008 1 38 PM ...

Page 118: ... 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 charging...

Page 119: ...ery charger is required Using a conventional bat tery charger will damage the battery If you do not have access to a constant voltage battery charger have a Yamaha dealer charge your battery To store the battery If the ATV will not be used for more than one month remove the battery fully charge it and then place it in a cool dry place If the battery will be stored for more than two months check it...

Page 120: ...k the band to secure the owner s tool kit 4 Install the seat See page 4 14 EBUM0180 Replacing the fuse The fuse holder is located beside the battery and can be accessed as follows 1 Remove the seat See page 4 14 2 Unhook the band securing the owner s tool kit and then remove the battery holding plate by removing the bolts 1 Negative battery lead black 2 Positive battery lead red 1 2 1 Battery band...

Page 121: ... substitute object can cause damage to the electrical sys tem which could lead to a fire 3 Turn 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 5 Install the battery holding plate by installing the bolts and then hook the band to secure the owner s tool kit 6 Install the seat EB...

Page 122: ...he defective bulb by pushing it in and turning it counterclockwise 3 Insert a new bulb into the socket push it in and then turn it clockwise until it stops 4 Install the lens by installing the screws NOTICE ECB00700 Do not overtighten the screws otherwise the lens may break EBU28030 Replacing a turn signal light bulb 1 Remove the turn signal light lens by removing the screw 1 Screw 1 1 Tail brake ...

Page 123: ...Install the lens by installing the screw NOTICE ECB00870 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 EBU25651 Removing a wheel 1 Place the ATV on a level surface 2 Loosen the wheel nuts Front 1 Screw 1 Nut 1 1 U33B70E0 book Page 41 Wednesday June 11 2008 1 38 PM ...

Page 124: ... Install the wheel and the nuts TIP When installing the wheel make sure its arrow mark points toward the rotating direction of the wheel 3 Lower the ATV to the ground 4 Tighten the wheel nuts to the specified torques 1 Nut 1 Arrow mark Tightening torques Front wheel nut 45 Nm 4 5 m kgf 32 ft lbf Rear wheel nut 45 Nm 4 5 m kgf 32 ft lbf U33B70E0 book Page 42 Wednesday June 11 2008 1 38 PM ...

Page 125: ...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 126: ... and 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 battery lead...

Page 127: ...NOTICE ECB00710 Excessive water pressure may cause water seepage and deterioration of wheel bearings brakes transmission seals and electrical de vices Many expensive repair bills have result ed from improper high pressure detergent applications such as those available in coin operated car washers 4 Once most of the dirt has been hosed off wash all surfaces with warm water and mild detergent type s...

Page 128: ...use rust To prevent corrosion avoid damp cellars stables because of the presence of ammo nia and areas where strong chemicals are stored Long term Before storing your ATV for several months 1 Follow all the instructions in the Cleaning section of this chapter 2 Turn the fuel cock lever to OFF 3 Drain the carburetor float chamber by loosen ing the drain bolt this will prevent fuel deposits from bui...

Page 129: ...levers and pedals 7 Check and if necessary correct the tire air pressure and then block up the ATV so that all of its wheels are off the ground Alternative ly turn the wheels a little every month in order to prevent the tires from becoming degraded in one spot 8 Cover the muffler outlet with a plastic bag to prevent moisture from entering it 9 Remove the battery and fully charge it Store it in a c...

Page 130: ... 4 stroke SOHC Cylinder arrangement Forward inclined single cylinder Displacement 249 0 cm Bore stroke 74 0 58 0 mm 2 91 2 28 in Compression ratio 9 50 1 Starting system Electric starter Lubrication system Wet sump Engine oil Type SAE 5W 30 or SAE 10W 30 or SAE 10W 40 or SAE 15W 40 or SAE 20W 40 or SAE 20W 50 Recommended engine oil grade API service SG type or higher JASO standard MA 20 10 0 10 20...

Page 131: ...SR29 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 multiple disc Operation Left hand operation Transmission Primary reduction system Spur gear Primary reduction ratio 76 22 3 455 Secondary reduction system Chain drive Secondary reduction ratio 38 14 2 714 Transmission type Constant mesh 5 speed Operation Left foot operation Gear ratio...

Page 132: ... cm 4 0 psi Minimum Front 24 5 kPa 0 245 kgf cm 3 6 psi Rear 24 5 kPa 0 245 kgf cm 3 6 psi Front wheel Wheel type Panel wheel Rim size 10 x 5 5AT Rear wheel Wheel type Panel wheel Rim size 9 x 8 5AT Front brake Type Dual disc brake Operation Right hand operation Recommended fluid DOT 4 Rear brake Type Single disc brake Operation Right foot operation Recommended fluid DOT 4 Front suspension Type Do...

Page 133: ...6 0 Ah Headlight Bulb type Halogen bulb Bulb voltage wattage quantity Headlight 12 V 35 0 35 0 W 1 Tail brake light 12 V 5 0 21 0 W 1 Front turn signal light 12 V 10 0 W Rear turn signal light 12 V 10 0 W Auxiliary light 12 V 5 0 W License plate light 12 V 5 0 W Neutral indicator light 12 V 1 7 W 1 High beam indicator light LED Turn signal indicator light LED Fuses Main fuse 15 0 A Accessory fuse ...

Page 134: ...erence in case the ATV is stolen KEY IDENTIFICATION NUMBER VEHICLE IDENTIFICATION NUMBER MODEL LABEL INFORMATION EBU26020 Key identification number The key identification number is stamped into the key Record this number in the space provided and use it for reference when ordering a new key EBU26030 Vehicle identification number The vehicle identification number is stamped into the frame 1 Key ide...

Page 135: ...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 er 1 Vehicle identification number 1 1 Model label 1 U33B70E0 book Page 2 Wednesday June 11 2008 1 38 PM ...

Page 136: ...cating 8 32 Carburetor adjusting 8 18 Chassis fasteners 5 6 Cleaning 9 1 Clutch lever 4 6 Clutch lever free play adjusting 8 28 D Drive chain 5 4 Drive chain lubricating 8 31 Drive chain slack 8 29 E Engine break in 6 5 Engine cold start 6 1 Engine idling speed 8 19 Engine oil 5 3 Engine oil and oil filter element 8 9 Engine starting a warm 6 3 Engine stop switch 4 3 F Fuel 4 10 5 3 Fuel cock 4 11...

Page 137: ...orber assembly adjusting the rear YFM250RSE W 4 22 Shock absorber assembly adjusting the rear YFM250R W 4 20 Spark arrester cleaning 8 17 Spark plug checking 8 8 Specifications 10 1 Speed limiter 4 5 Speedometer 4 2 Starter choke 4 12 Start switch 4 3 Steering lock 4 13 Steering shaft lubricating 8 35 Storage 9 2 Suspension lubricating the upper and lower arm pivots 8 34 Swingarm pivots lubricatin...

Page 138: ...W Wheel hub bearings checking 8 34 Wheel installing 8 42 Wheel removing 8 41 U33B70E0 book Page 3 Wednesday June 11 2008 1 38 PM ...

Page 139: ...U33B70E0 book Page 4 Wednesday June 11 2008 1 38 PM ...

Page 140: ...YAMAHA MOTOR CO LTD PRINTED IN FRANCE 2008 06 E U33B70E0 book Page 1 Wednesday June 11 2008 1 38 PM ...

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