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PERIODIC MAINTENANCE AND ADJUSTMENT

6-8

6

EAU19603

Checking the spark plug

The spark plug is an important engine
component, which is easy to check.
Since heat and deposits will cause any
spark plug to slowly erode, the spark
plug should be removed and checked
in accordance with the periodic mainte-
nance and lubrication chart. In addition,
the condition of the spark plug can re-
veal 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 includ-
ed 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 medium-to-light tan
(the ideal color when the vehicle is
ridden normally).

TIP

If the spark plug shows a distinctly dif-
ferent color, the engine could be oper-
ating improperly. Do not attempt to
diagnose such problems yourself. In-
stead, have a Yamaha dealer check
the vehicle.

2. Check the spark plug for electrode

erosion and excessive carbon or
other deposits, and replace it if
necessary.

To install the spark plug

1. Measure the spark plug gap with a

wire thickness gauge and, if nec-
essary, adjust the gap to specifica-
tion.

1. Spark plug cap

1. Spark plug wrench

Specified spark plug:

NGK/CR8E

1. Spark plug gap

Spark plug gap:

0.7–0.8 mm (0.028–0.031 in)

1

ZAUM0037

U22BE0E0.book Page 8 Wednesday, December 17, 2008 11:00 AM

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Summary of Contents for WR125R

Page 1: ...PANTONE285CVC WR125R WR125X OWNER S MANUAL 22B F8199 E0 Read this manual carefully before operating this vehicle ...

Page 2: ...EAU46090 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold U22BE0E0 book Page 1 Wednesday December 17 2008 11 00 AM ...

Page 3: ...ury In addition the many tips given in this manual will help keep your motorcycle in the best possible condition If you have any further questions do not hesitate to contact your Yamaha dealer The Yamaha team wishes you many safe and pleasant rides So remember to put safety first Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most cur r...

Page 4: ...all safety messages that follow this symbol 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 information to make procedures easier or clearer WARNING NOTICE TIP U22BE0E0 book Page 1 Wedn...

Page 5: ... S MANUAL 2008 by MBK INDUSTRIE 1st edition December 2008 All rights reserved Any reprinting or unauthorized use without the written permission of MBK INDUSTRIE is expressly prohibited Printed in France U22BE0E0 book Page 2 Wednesday December 17 2008 11 00 AM ...

Page 6: ...ling panels 6 7 Checking the spark plug 6 8 Engine oil and oil filter element 6 9 Coolant 6 12 Replacing the air filter element and cleaning the check hose 6 13 Adjusting the engine idling speed 6 14 Adjusting the throttle cable free play 6 14 Valve clearance 6 15 Tires 6 15 Spoke wheels 6 17 Adjusting the clutch lever free play 6 18 Checking the front brake lever free play 6 19 Adjusting the brak...

Page 7: ...plate light bulb 6 31 Replacing an auxiliary light bulb 6 31 Supporting the motorcycle 6 32 Front wheel 6 32 Rear wheel 6 34 Troubleshooting 6 35 Troubleshooting charts 6 37 MOTORCYCLE CARE AND STORAGE 7 1 Care 7 1 Storage 7 3 SPECIFICATIONS 8 1 CONSUMER INFORMATION 9 1 Identification numbers 9 1 U22BE0E0 book Page 2 Wednesday December 17 2008 11 00 AM ...

Page 8: ...senger The failure of motorists to detect and recognize motorcycles in traf fic is the predominating cause of automobile motorcycle accidents Many accidents have been caused by an automobile driver who did not see the motorcycle Making yourself conspicuous appears to be very effective in reducing the chance of this type of accident Therefore Wear a brightly colored jacket Use extra caution when yo...

Page 9: ...y boots trousers gloves etc is effective in preventing or reducing abrasions or lacerations Never wear loose fitting clothes otherwise they could catch on the control levers footrests or wheels and cause injury or an accident Always wear protective clothing that covers your legs ankles and feet The engine or exhaust sys tem become very hot during or af ter operation and can cause burns A passenger...

Page 10: ...that ac cessories and cargo are securely attached to the motorcycle before riding Check accessory mounts and cargo restraints frequently Properly adjust the suspension for your load and check the con dition and pressure of your tires Never attach any large or heavy items to the handlebar front fork or front fender These items including such cargo as sleeping bags duffel bags or tents can create un...

Page 11: ...ar or front fork area they must be as lightweight as possible and should be kept to a minimum Bulky or large accessories may seriously affect the stability of the motorcycle due to aerody namic effects Wind may at tempt to lift the motorcycle or the motorcycle may become un stable in cross winds These ac cessories may also cause instability when passing or being passed by large vehicles Certain ac...

Page 12: ...eat page 3 10 2 Coolant level check window page 6 12 3 Sidestand page 3 11 4 Shock absorber assembly spring preload adjusting ring page 3 10 5 Shift pedal page 3 6 6 Front brake pads page 6 19 U22BE0E0 book Page 1 Wednesday December 17 2008 11 00 AM ...

Page 13: ... 10 2 Coolant level check window page 6 12 3 Sidestand page 3 11 4 Shock absorber assembly spring preload adjusting ring page 3 10 5 Shift pedal page 3 6 6 Front brake pads page 6 19 U22BE0E0 book Page 2 Wednesday December 17 2008 11 00 AM ...

Page 14: ...sting screw page 6 14 3 Front brake fluid reservoir page 6 20 4 Fuse box page 6 29 5 Battery page 6 27 6 Engine oil filter element page 6 9 7 Dipstick page 6 9 8 Brake pedal page 3 7 9 Owner s tool kit page 6 1 10 Rear brake pads page 6 19 U22BE0E0 book Page 3 Wednesday December 17 2008 11 00 AM ...

Page 15: ...w page 6 14 3 Front brake fluid reservoir page 6 20 4 Fuse box page 6 29 5 Battery page 6 27 6 Engine oil filter element page 6 9 7 Dipstick page 6 9 8 Brake pedal page 3 7 9 Owner s tool kit page 6 1 10 Rear brake pads page 6 19 U22BE0E0 book Page 4 Wednesday December 17 2008 11 00 AM ...

Page 16: ...Clutch lever page 3 6 2 Left handlebar switches page 3 5 3 Main switch steering lock page 3 1 4 Multi function display page 3 3 5 Right handlebar switches page 3 5 6 Throttle grip page 6 14 7 Brake lever page 3 6 U22BE0E0 book Page 5 Wednesday December 17 2008 11 00 AM ...

Page 17: ...e is started and stays on until the key is turned to OFF even if the engine stalls EAU10661 OFF All electrical systems are off The key can be removed WARNING EWA10061 Never turn the key to OFF or LOCK while the vehicle is moving Otherwise the electrical systems will be switched off which may result in loss of control or an accident EAU10681 LOCK The steering is locked and all electrical systems ar...

Page 18: ...rning light This warning light comes on if the en gine overheats If this occurs stop the engine immediately and allow the en gine to cool The electrical circuit of the warning light can be checked by turning the key to ON The warning light should come on for a few seconds and then go off If the warning light does not come on initially when the key is turned to ON or if the warning light remains on...

Page 19: ... multi function display Changing settings while riding can distract the operator and increase the risk of an accident The multi function display is equipped with the following a speedometer an odometer two tripmeters which show the distance traveled since they were last set to zero a fuel reserve tripmeter which shows the distance traveled since the fuel level warning light came on an oil change i...

Page 20: ...g 5 km 3 mi Oil change indicator This indicator flashes at the initial 1000 km 600 mi then at 3000 km 1800 mi and every 3000 km 1800 mi thereafter to indicate that the engine oil should be changed After changing the engine oil reset the oil change indicator TIP The oil change indicator can only be re set when OIL flashes in the multi function display To reset the oil change indicator select it by ...

Page 21: ...ts push the switch in after it has re turned to the center position EAU12500 Horn switch Press this switch to sound the horn EAU12660 Engine stop switch Set this switch to before starting the engine Set this switch to to stop the engine in case of an emergen cy such as when the vehicle overturns or when the throttle cable is stuck EAU12711 Start switch Push this switch to crank the engine with the...

Page 22: ...tch switch which is part of the igni tion circuit cut off system See page 3 12 EAU12870 Shift pedal The shift pedal is located on the left side of the engine and is used in com bination with the clutch lever when shifting the gears of the 6 speed con stant mesh transmission equipped on this motorcycle EAU12890 Brake lever The brake lever is located at the right handlebar grip To apply the front br...

Page 23: ...emoved To install the fuel tank cap 1 Push the fuel tank cap into position with the key inserted in the lock 2 Turn the key clockwise to the orig inal position and then remove it 3 Close the lock cover TIP The fuel tank cap cannot be installed unless the key is in the lock In addition the key cannot be removed if the cap is not properly installed and locked WARNING EWA11141 Make sure that the fuel...

Page 24: ...stic parts ECA10071 4 Be sure to securely close the fuel tank cap WARNING EWA15151 Gasoline is poisonous and can cause injury or death Handle gaso line with care Never siphon gaso line by mouth If you should swallow some gasoline or inhale a lot of gas oline vapor or get some gasoline in your eyes see your doctor immedi ately If gasoline spills on your skin wash with soap and water If gaso line sp...

Page 25: ...ar possible fire hazards such as grass or other materials that easily burn Park the vehicle in a place where pedestrians or children are not likely to touch the hot exhaust system Make sure that the exhaust sys tem has cooled down before do ing any maintenance work Do not allow the engine to idle more than a few minutes Long idling can cause a build up of heat NOTICE ECA10701 Use only unleaded gas...

Page 26: ...ore riding EAU14832 Adjusting the shock absorber assembly This shock absorber assembly is equipped with a spring preload adjust ing ring NOTICE ECA10101 To avoid damaging the mechanism do not attempt to turn beyond the maximum or minimum settings Adjust the spring preload as follows To increase the spring preload and thereby harden the suspension turn the adjusting ring in direction a To de 1 Bolt...

Page 27: ...urself Take the shock absorber assembly to a Yamaha dealer for any service EAU15301 Sidestand The sidestand is located on the left side of the frame Raise the sidestand or lower it with your foot while holding the vehicle upright TIP The built in sidestand switch is part of the ignition circuit cut off system which cuts the ignition in certain situations See further down for an explanation of the ...

Page 28: ... prevents starting when the trans mission is in gear and the side stand is up but the clutch lever is not pulled It prevents starting when the trans mission is in gear and the clutch le ver is pulled but the sidestand is still down It cuts the running engine when the transmission is in gear and the sid estand is moved down Periodically check the operation of the ignition circuit cut off system acc...

Page 29: ...ve the sidestand up 11 Keep the clutch lever pulled 12 Push the start switch Does the engine start The system is OK The motorcycle can be ridden The neutral switch may not be working correctly The motorcycle should not be ridden until checked by a Yamaha dealer The sidestand switch may not be working correctly The motorcycle should not be ridden until checked by a Yamaha dealer The clutch switch m...

Page 30: ...dealer Before using this vehicle check the following points ITEM CHECKS PAGE Fuel Check fuel level in fuel tank Refuel if necessary Check fuel line for leakage 3 8 Engine oil Check oil level in engine If necessary add recommended oil to specified level Check vehicle for oil leakage 6 9 Coolant Check coolant level in reservoir If necessary add recommended coolant to specified level Check cooling sy...

Page 31: ...cable free play and lubricate cable and grip housing 6 14 6 24 Control cables Make sure that operation is smooth Lubricate if necessary 6 23 Drive chain Check chain slack Adjust if necessary Check chain condition Lubricate if necessary 6 21 6 23 Wheels and tires Check for damage Check tire condition and tread depth Check air pressure Correct if necessary 6 15 6 17 Brake pedal Make sure that operat...

Page 32: ...ents lights signals and switches Check operation Correct if necessary Sidestand switch Check operation of ignition circuit cut off system If system is not working correctly have Yamaha dealer check vehicle 3 11 Battery Check fluid level Fill with distilled water if necessary 6 27 ITEM CHECKS PAGE U22BE0E0 book Page 3 Wednesday December 17 2008 11 00 AM ...

Page 33: ...event the engine from starting even though the engine will crank when pushing the start switch EAUM2322 Starting the engine In order for the ignition circuit cut off system to enable starting one of the following conditions must be met The transmission is in the neutral position The transmission is in gear with the clutch lever pulled and the sid estand up See page 3 12 for more informa tion 1 Tur...

Page 34: ...ne at tempt EAU16671 Shifting Shifting gears lets you control the amount of engine power available for starting off accelerating climbing hills etc The gear positions are shown in the il lustration TIP To shift the transmission into the neu tral position press the shift pedal down repeatedly until it reaches the end of its travel and then slightly raise it NOTICE ECA10260 Even with the transmissio...

Page 35: ...aterial carefully Since the engine is brand new do not put an excessive load on it for the first 1000 km 600 mi The various parts in the engine wear and polish themselves to the correct operating clearances During this period prolonged full throt tle operation or any condition that might result in engine overheating must be avoided EAUM2560 0 500 km 0 300 mi Avoid prolonged operation above 1 3 thr...

Page 36: ...xhaust system can become very hot park in a place where pedestri ans or children are not likely to touch them and be burned Do not park on a slope or on soft ground otherwise the vehicle may overturn increasing the risk of a fuel leak and fire Do not park near grass or other flammable materials which might catch fire U22BE0E0 book Page 4 Wednesday December 17 2008 11 00 AM ...

Page 37: ...amiliar with vehicle ser vice have a Yamaha dealer perform service WARNING EWA15121 Turn off the engine when performing maintenance unless otherwise specified A running engine has moving parts that can catch on body parts or clothing and electrical parts that can cause shocks or fires Running the engine while ser vicing can lead to eye injury burns fire or carbon monoxide poisoning possibly leadin...

Page 38: ...require special tools data and technical skills EAU46920 Periodic maintenance chart for the emission control system NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNUAL CHECK 1000 km 600 mi 6000 km 3500 mi 12000 km 7000 mi 18000 km 10500 mi 24000 km 14000 mi 1 Fuel line Check fuel hoses for cracks or damage 2 Spark plug Check condition Clean and regap Replace 3 Valves Check valve clearance Adj...

Page 39: ...routed 3 Clutch Check operation Adjust 4 Front brake Check operation fluid level and vehicle for fluid leakage Replace brake pads Whenever worn to the limit 5 Rear brake Check operation fluid level and vehicle for fluid leakage Replace brake pads Whenever worn to the limit 6 Brake hoses Check for cracks or damage Replace Every 4 years 7 Wheels Check runout spoke tightness and for damage Tighten sp...

Page 40: ...g play and steering for roughness Lubricate with lithium soap based grease Every 24000 km 14000 mi 13 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened 14 Brake lever pivot shaft Lubricate with silicone grease 15 Brake pedal pivot shaft Lubricate with lithium soap based grease 16 Clutch lever pivot shaft Lubricate with lithium soap based grease 17 Sidestand Check op...

Page 41: ...f ter Check oil level and vehicle for oil leakage Every 3000 km 1800 mi 23 Engine oil filter ele ment Replace 24 Cooling system Check coolant level and vehicle for coolant leakage Change Every 3 years 25 Front and rear brake switches Check operation 26 Moving parts and cables Lubricate 27 Throttle grip hous ing and cable Check operation and free play Adjust the throttle cable free play if necessar...

Page 42: ...orrect the brake fluid level Every two years change the brake fluid Replace the brake hoses every four years and if cracked or damaged 28 Lights signals and switches Check operation Adjust headlight beam NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNUAL CHECK 1000 km 600 mi 6000 km 3500 mi 12000 km 7000 mi 18000 km 10500 mi 24000 km 14000 mi U22BE0E0 book Page 6 Wednesday December 17 2008 1...

Page 43: ... EAU19210 Panel A To remove the panel Remove the screws and then take the panel off To install the panel Place the panel in the original position and then install the screws EAU19210 Panel B To remove the panel Remove the screws and then take the panel off To install the panel Place the panel in the original position and then install the screws 1 Panel A 2 Panel B 1 Screw 2 Panel A 1 Screw 2 Panel...

Page 44: ...that the porcelain insulator around the center electrode of the spark plug is a medium to light tan the ideal color when the vehicle is ridden normally TIP If the spark plug shows a distinctly dif ferent color the engine could be oper ating improperly Do not attempt to diagnose such problems yourself In stead have a Yamaha dealer check the vehicle 2 Check the spark plug for electrode erosion and e...

Page 45: ...placed at the intervals specified in the periodic maintenance and lubri cation chart To check the engine oil level 1 Place the vehicle on a level sur face and hold it in an upright posi tion A slight tilt to the side can result in a false reading 2 Start the engine warm it up for several minutes and then turn it off 3 Wait a few minutes until the oil set tles remove the oil filler cap wipe the dip...

Page 46: ...strainer to drain the oil from the crankcase NOTICE When removing the engine oil drain bolt the O ring compres sion spring and oil strainer will fall out Take care not to lose these parts ECA11001 4 Clean the engine oil strainer with solvent TIP Skip steps 5 7 if the oil filter element is not being replaced 5 Remove the oil filter element cover by removing the bolts 6 Remove and replace the oil fi...

Page 47: ...s with a diesel speci fication of CD or oils of a high er quality than specified In addition do not use oils labeled ENERGY CONSERVING II or higher Make sure that no foreign mate rial enters the crankcase 10 Start the engine and then let it idle for several minutes while checking it for oil leakage If oil is leaking im mediately turn the engine off and check for the cause 11 Turn the engine off an...

Page 48: ...hen open the coolant reservoir cap 4 Add coolant or distilled water to raise the coolant to the specified level close the coolant reservoir cap and then install the seat WARNING Remove only the coolant reservoir cap Never at tempt to remove the radiator cap when the engine is hot EWA15161 NOTICE If coolant is not available use distilled water or soft tap water instead Do not use hard water or salt...

Page 49: ... element should be re placed at the intervals specified in the periodic maintenance and lubrication chart Have a Yamaha dealer replace the air filter element more frequently if you are riding in unusually wet or dusty areas In addition the air filter check hose must be frequently checked and cleaned if necessary To clean the air filter check hose 1 Check the hose on the side of the air filter case...

Page 50: ... engine idling speed turn the screw in di rection a To decrease the en gine idling speed turn the screw in direction b TIP If the specified idling speed cannot be obtained as described above have a Yamaha dealer make the adjustment EAU21370 Adjusting the throttle cable free play The throttle cable free play should mea sure 3 0 5 0 mm 0 12 0 20 in at the throttle grip Periodically check the throttl...

Page 51: ...e the performance durabil ity and safe operation of your motor cycle note the following points regarding the specified tires Tire air pressure The tire air pressure should be checked and if necessary adjusted before each ride WARNING EWA10501 Operation of this vehicle with im proper tire pressure may cause se vere injury or death from loss of control The tire air pressure must be checked and adjus...

Page 52: ...ith tube tires WARNING EWA10461 The front and rear tires should be of the same make and design other wise the handling characteristics of the vehicle may be different which could lead to an accident After extensive tests only the tires list ed below have been approved for this model by Yamaha Motor Co Ltd Tire air pressure measured on cold tires 0 90 kg 0 198 lb Front 200 kPa 2 00 kgf cm 29 psi Re...

Page 53: ...for cracks bends or warpage and the spokes for looseness or dam age before each ride If any dam age is found have a Yamaha dealer replace the wheel Do not attempt even the smallest repair to the wheel A deformed or cracked wheel must be replaced The wheel should be balanced whenever either the tire or wheel has been changed or replaced An unbalanced wheel can result in poor performance adverse han...

Page 54: ...ecified clutch lever free play could be obtained as described above skip steps 4 7 4 Fully turn the adjusting bolt at the clutch lever in direction a to loos en the clutch cable 5 Loosen the locknut at the crank case 6 To increase the clutch lever free play turn the adjusting nut in direc tion a To decrease the clutch le ver free play turn the adjusting nut in direction b 7 Tighten the locknut at ...

Page 55: ... by a Yamaha dealer EAUM1353 Adjusting the brake pedal free play The brake pedal free play should mea sure 3 5 4 5 mm 0 14 0 18 in as shown Periodically check the brake pedal free play and if necessary have a Yamaha dealer adjust it WARNING EWAM1030 An incorrect brake pedal free play indicates a hazardous condition in the brake system Do not operate the motorcycle until the brake system has been c...

Page 56: ...tem possibly caus ing it to become ineffective Before riding check that the brake fluid is above the minimum level mark and replenish if necessary 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 Observe these precautions When checking the fluid level make sure ...

Page 57: ...fluid at the intervals specified in the periodic maintenance and lubrica tion chart In addition have the brake hose replaced every four years or whenever it is damaged or leaking EAU22760 Drive chain slack The drive chain slack should be checked before each ride and adjusted if necessary EAU22773 To check the drive chain slack 1 Place the motorcycle on the side stand TIP When checking and adjustin...

Page 58: ...chain slack will overload the en gine as well as other vital parts of the motorcycle and can lead to chain slippage or breakage To prevent this from occurring keep the drive chain slack with in the specified limits ECA10571 TIP Using the alignment marks on each side of the swingarm make sure that both adjusting nuts are in the same po sition for proper wheel alignment 3 Tighten the locknuts and th...

Page 59: ...1 2 Wipe the drive chain dry 3 Thoroughly lubricate the drive chain with a special O ring chain lubricant NOTICE Do not use engine oil or any other lubri cants for the drive chain as they may contain substances that could damage the O rings ECA11111 EAU23101 Checking and lubricating the cables The operation of all control cables and the condition of the cables should be checked before each ride an...

Page 60: ...d be lubricated at the intervals specified in the periodic maintenance chart EAU43611 Checking and lubricating the brake and clutch levers Brake lever Clutch lever The operation of the brake and clutch levers should be checked before each ride and the lever pivots should be lu bricated if necessary Recommended lubricant Lithium soap based grease U22BE0E0 book Page 24 Wednesday December 17 2008 11 ...

Page 61: ...icated if necessary WARNING EWA10731 If the sidestand does not move up and down smoothly have a Yamaha dealer check or repair it Otherwise the sidestand could contact the ground and distract the operator re sulting in a possible loss of control EAUM1650 Lubricating the swingarm piv ots The swingarm pivots must be lubricat ed at the intervals specified in the peri odic maintenance and lubrication c...

Page 62: ... fork compresses and rebounds smoothly NOTICE ECA10590 If any damage is found or the front fork does not operate smoothly have a Yamaha dealer check or re pair it EAU23283 Checking the steering Worn or loose steering bearings may cause danger Therefore the operation of the steering must be checked as fol lows at the intervals specified in the pe riodic maintenance and lubrication chart 1 Place a s...

Page 63: ...hicle on a level sur face and hold it in an upright posi tion TIP Make sure that the vehicle is positioned straight up when checking the electro lyte level 2 Remove panel A See page 6 7 3 Check the electrolyte level in the battery TIP The electrolyte should be between the minimum and maximum level marks 4 If the electrolyte is at or below the minimum level mark add distilled water to raise it to t...

Page 64: ... 6 Install the panel To store the battery 1 If the vehicle will not be used for more than one month remove the battery fully charge it and then place it in a cool dry place NOTICE When removing the battery be sure the key is turned to OFF then discon nect the negative lead before disconnecting the positive lead ECA16302 2 If the battery will be stored for more than two months check the specif ic g...

Page 65: ...check the electrical system EAU45212 Replacing the headlight bulb This model is equipped with a quartz bulb headlight If the headlight bulb burns out replace it as follows NOTICE ECA10660 Do not touch the glass part of the headlight bulb to keep it free from oil otherwise the transparency of the glass the luminosity of the bulb and the bulb life will be adversely af fected Thoroughly clean off any...

Page 66: ...ight unit by placing it in the original position and then installing the bolts 7 Have a Yamaha dealer adjust the headlight beam if necessary EAUM2610 Replacing a tail brake light bulb 1 Remove panel B See page 6 7 2 Remove the socket together with the bulb by turning it counter clockwise 3 Remove the burnt out bulb by pushing it in and turning it counter clockwise 4 Insert a new bulb into the sock...

Page 67: ...the bulb by pulling it out 3 Remove the burnt out bulb by pull ing it out 4 Insert a new bulb into the socket 5 Install the socket together with the bulb by pushing it in 6 Install the panel EAU45222 Replacing an auxiliary light bulb If the auxiliary light bulb burns out re place it as follows 1 Remove the headlight unit See page 6 29 2 Remove the auxiliary light socket together with the bulb by p...

Page 68: ...ot available by placing a jack un der the frame in front of the rear wheel 2 Raise the front wheel off the ground by using a motorcycle stand To service the rear wheel Raise the rear wheel off the ground by using a motorcycle stand or if a motor cycle stand is not available by placing a jack either under each side of the frame in front of the rear wheel or under each side of the swingarm EAU24360 ...

Page 69: ...es in the wheel hub and that the slot in the speed sensor fits over the re tainer on the fork leg 3 Insert the wheel axle 4 Lower the front wheel so that it is on the ground 5 Push down hard on the handlebar several times to check for proper fork operation 6 Install the brake caliper by install ing the bolts TIP Make sure that there is enough space between the brake pads before install ing the bra...

Page 70: ...the wheel axle first and then lift the wheel upward enough to remove the drive chain from the rear sprocket The drive chain does not need to be disassembled in order to re move and install the rear wheel 6 While supporting the brake caliper and slightly lifting the wheel pull the wheel axle out together with the right drive chain alignment plate TIP A rubber mallet may be useful to tap the wheel a...

Page 71: ...hipment from the factory trouble may occur dur ing operation Any problem in the fuel compression or ignition systems for example can cause poor starting and loss of power The following troubleshooting charts represent quick and easy procedures for checking these vital systems your self However should your motorcycle require any repair take it to a Yamaha dealer whose skilled technicians have the n...

Page 72: ...DIC MAINTENANCE AND ADJUSTMENT 6 36 6 heaters or furnaces Gasoline or gasoline vapors can ignite or ex plode causing severe injury or property damage U22BE0E0 book Page 36 Wednesday December 17 2008 11 00 AM ...

Page 73: ...check the electrodes 3 Ignition Wet Dry Wipe off with a dry cloth and correct the spark plug gap or replace the spark plug Have a Yamaha dealer check the vehicle The engine does not start Check the battery Operate the electric starter Operate the electric starter 4 Battery The engine turns over quickly The engine turns over slowly The battery is good Check the electrolyte and battery lead connecti...

Page 74: ...ssing sound has stopped press down on the cap while turning it counterclockwise and then remove the cap TIP If coolant is not available tap water can be temporarily used instead provided that it is changed to the recommended coolant as soon as possible Wait until the engine has cooled Check the coolant level in the reservoir and radiator The coolant level is OK The coolant level is low Check the c...

Page 75: ... the af fected area any longer than in structed Also thoroughly rinse the area off with water immedi ately dry it and then apply a cor rosion protection spray Improper cleaning can damage plastic parts such as cowlings panels windshields headlight lenses meter lenses etc and the mufflers Use only a soft clean cloth or sponge with wa ter to clean plastic However if the plastic parts cannot be thor ...

Page 76: ...rosion protection spray on all metal including chrome and nickel plated surfaces to prevent corrosion After cleaning 1 Dry the motorcycle with a chamois or an absorbing cloth 2 Immediately dry the drive chain and lubricate it to prevent it from rusting 3 Use a chrome polish to shine chrome aluminum and stainless steel parts including the exhaust system Even the thermally in duced discoloring of st...

Page 77: ...ls are stored Long term Before storing your motorcycle for sev eral months 1 Follow all the instructions in the Care section of this chapter 2 Fill up the fuel tank and add fuel stabilizer if available to prevent the fuel tank from rusting and the fuel from deteriorating 3 Perform the following steps to pro tect the cylinder piston rings etc from corrosion a Remove the spark plug cap and spark plu...

Page 78: ...n one spot 6 Cover the muffler outlet with a plastic bag to prevent moisture from entering it 7 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 ex cessively cold or warm place less than 0 C 30 F or more than 30 C 90 F For more information on storing the battery see page 6 27 TIP Make any necessary repairs before storing ...

Page 79: ...ne oil quantity Without oil filter element replacement 0 95 L 1 00 US qt 0 84 Imp qt With oil filter element replacement 1 00 L 1 06 US qt 0 88 Imp qt Cooling system Coolant reservoir capacity up to the maximum level mark 0 25 L 0 26 US qt 0 22 Imp qt Radiator capacity including all routes 1 10 L 1 16 US qt 0 97 Imp qt Air filter Air filter element Dry element Fuel Recommended fuel Premium unleade...

Page 80: ...RAC Loading Maximum load 185 kg 408 lb Total weight of rider passenger cargo and accessories Tire air pressure measured on cold tires Loading condition 0 90 kg 0 198 lb Front 200 kPa 2 00 kgf cm 29 psi Rear 200 kPa 2 00 kgf cm 29 psi Loading condition 90 185 kg 198 408 lb Front 200 kPa 2 00 kgf cm 29 psi Rear 225 kPa 2 25 kgf cm 33 psi Front wheel Wheel type Spoke wheel Rim size WR125R 21x1 6 WR12...

Page 81: ...quantity Headlight 12 V 35 W 35 W 1 Tail brake light 12 V 21 0 W 5 0 W 1 Front turn signal light 12 V 10 0 W 2 Rear turn signal light 12 V 10 0 W 2 Auxiliary light 12 V 5 0 W 1 License plate light 12 V 5 0 W 1 Meter lighting LED Neutral indicator light LED High beam indicator light LED Turn signal indicator light LED Coolant temperature warning light LED Engine trouble warning light LED Fuses Main...

Page 82: ...ication number The key identification number is stamped into the key tag Record this number in the space provided and use it for reference when ordering a new key EAU26400 Vehicle identification number The vehicle identification number is stamped into the steering head pipe Record this number in the space pro vided TIP The vehicle identification number is used to identify your motorcycle and may b...

Page 83: ...l is affixed to the frame under the seat See page 3 10 Record the information on this label in the space provided This information will be needed when ordering spare parts from a Yamaha dealer 1 Model label U22BE0E0 book Page 2 Wednesday December 17 2008 11 00 AM ...

Page 84: ...5 I Identification numbers 9 1 Ignition circuit cut off system 3 12 Indicator and warning lights 3 2 K Key identification number 9 1 L License plate light bulb replacing 6 31 M Main switch steering lock 3 1 Maintenance and lubrication periodic 6 3 Maintenance emission control system 6 2 Model label 9 2 Multi function display 3 3 N Neutral indicator light 3 2 P Panels removing and installing 6 7 Pa...

Page 85: ...INDEX Wheel rear 6 34 Wheels 6 17 U22BE0E0 book Page 2 Wednesday December 17 2008 11 00 AM ...

Page 86: ...A5 yoko_Blank fm Page 1 Tuesday April 8 2003 11 43 AM ...

Page 87: ...A5 yoko_Blank fm Page 1 Tuesday April 8 2003 11 43 AM ...

Page 88: ...YAMAHA MOTOR CO LTD PRINTED IN FRANCE 2008 12 E PANTONE285CVC ...

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