Yamaha WR 155 Owner'S Manual Download Page 6

Page: 6 / 92

le of contents

Location of important la

els

........... 1-1

Safety information

............................ 2-1

Further safe-riding points ............... 2-5
Helmets .......................................... 2-6

Description

....................................... 3-1

Left view ......................................... 3-1
Right view ....................................... 3-2
Controls and instruments ............... 3-3

Instrument an

control functions

... 4-1

assembly ................................... 4-13

Sidestand ..................................... 4-14
Starting circuit cut-off system ...... 4-15

For your safety – pre-operation
checks

...............................................5-1

Operation an

important ri

points

................................................. 6-1

Engine break-in ...............................6-1
Starting the engine.......................... 6-2
Shifting ............................................ 6-3
Tips for reducing fuel

consumption................................ 6-4

Parking ............................................ 6-4

Perio

ic maintenance an

justment

........................................ 7-1

Tool kit ............................................ 7-1
Periodic maintenance chart for

the emission control system........7-2

General maintenance and

lubrication chart........................... 7-3

Removing and installing panels ...... 7-7
Checking the spark plug ................. 7-8
Engine oil and oil filter element ....... 7-9
Coolant.......................................... 7-12
Air filter element and check

hose ........................................... 7-13

Adjusting the engine idling

speed......................................... 7-14

Adjusting the throttle grip

free play ..................................... 7-15

Valve clearance .............................7-15
Tires ..............................................7-16

Spoke wheels ............................... 7-17
Adjusting the clutch lever

free play..................................... 7-18

Checking the brake lever

free play..................................... 7-19

Brake light switches ..................... 7-19
Checking the front and rear

brake pads ................................ 7-20

Checking the brake fluid level ...... 7-21
Changing the brake fluid .............. 7-22
Drive chain slack........................... 7-22
Cleaning and lubricating the

drive chain ................................. 7-23

Checking and lubricating the

cables........................................ 7-24

Checking and lubricating the

throttle grip and cable ............... 7-24

Checking and lubricating the

brake and clutch levers ............. 7-25

Checking and lubricating the

brake pedal ............................... 7-25

Checking and lubricating the

sidestand................................... 7-26

Lubricating the rear suspension ... 7-26
Lubricating the swingarm

pivots......................................... 7-26

Checking the front fork ................. 7-27
Checking the steering................... 7-27
Checking the wheel bearings ....... 7-28
Battery .......................................... 7-28
Replacing the fuses ...................... 7-29

UB3MEZE0.book Page 1 Thursday, December 26, 2019 2:23 PM

Summary of Contents for WR 155

Page 1: ...DIC183 WR155 OWNER S MANUAL Read this manual carefully before operating this vehicle B3M F8199 EZ English E ...

Page 2: ...EAU46094 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold UB3MEZE0 book Page 1 Thursday December 26 2019 2 23 PM ...

Page 3: ...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 rent pro...

Page 4: ...ial personal injury hazards Obey 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 NOT...

Page 5: ... written permission of PT Yamaha Indonesia Motor Manufacturing is expressly prohibited Printed in Indonesia Hematlah pemakaian bahan bakar minyak gunakan knalpot sesuai standar pabrik dan lakukanlah perawatan berkala sepeda motor anda di Bengkel Resmi Yamaha Milikilah SIM gunakan helm ber SNI dan taati rambu lalu lintas pada saat berkendara UB3MEZE0 book Page 2 Thursday December 26 2019 2 23 PM ...

Page 6: ... maintenance and lubrication chart 7 3 Removing and installing panels 7 7 Checking the spark plug 7 8 Engine oil and oil filter element 7 9 Coolant 7 12 Air filter element and check hose 7 13 Adjusting the engine idling speed 7 14 Adjusting the throttle grip free play 7 15 Valve clearance 7 15 Tires 7 16 Spoke wheels 7 17 Adjusting the clutch lever free play 7 18 Checking the brake lever free play...

Page 7: ...eplacing the license plate light bulb 7 32 Supporting the motorcycle 7 33 Front wheel 7 33 Rear wheel 7 34 Troubleshooting 7 36 Troubleshooting chart 7 37 Motorcycle care and storage 8 1 Care 8 1 Storage 8 3 Specifications 9 1 Consumer information 10 1 Identification numbers 10 1 Vehicle data recording 10 2 Index 11 1 UB3MEZE0 book Page 2 Thursday December 26 2019 2 23 PM ...

Page 8: ...2190 Read and understand all of the labels on your vehicle They contain important information for safe and proper operation of your vehicle Never remove any labels from your vehicle 1 2 UB3MEZE0 book Page 1 Thursday December 26 2019 2 23 PM ...

Page 9: ...abels 1 2 1 B3M F1668 00 150 22 150 22 150 22 150 22 100kPa 1bar kPa psi kPa psi 1 2 Sebelum mengendarai kendaraan baca dengan seksama buku petunjuk pemilik 2PV F1568 00 UB3MEZE0 book Page 2 Thursday December 26 2019 2 23 PM ...

Page 10: ... Safe Riding Perform the pre operation checks each time you use the vehicle to make sure it is in safe operating condition Failure to inspect or maintain the vehi cle properly increases the possibility of an accident or equipment damage See page 5 1 for a list of pre operation checks This motorcycle is designed to carry the operator and a passen ger The failure of motorists to detect and recognize...

Page 11: ...d always hold onto the operator the seat strap or grab bar if equipped with both hands and keep both feet on the passenger footrests Never carry a passenger unless he or she can firmly place both feet on the passenger footrests Never ride under the influence of alcohol or other drugs Protective Apparel The majority of fatalities from motorcy cle accidents are the result of head in juries The use o...

Page 12: ... has added cargo or accessories Here along with the information about accessories below are some general guidelines to follow if loading cargo to your motorcycle The total weight of the operator pas senger accessories and cargo must not exceed the maximum load limit Operation of an overloaded vehicle could cause an accident When loading within this weight limit keep the following in mind Cargo and...

Page 13: ...ind as well as those provided under Load ing when mounting accessories Never install accessories or carry cargo that would impair the per formance of your motorcycle Carefully inspect the accessory before using it to make sure that it does not in any way reduce ground clearance or cornering clearance limit suspension travel steering travel or control opera tion or obscure lights or reflec tors Acc...

Page 14: ...t for example to rubber mounted handlebars or turn signals or parts that could break Choose the location for the straps carefully so the straps will not rub against painted surfaces during transport The suspension should be com pressed somewhat by the tie downs if possible so that the mo torcycle will not bounce exces sively during transport EAU57610 Further safe riding points Be sure to signal cl...

Page 15: ...fatalities from motorcycle or scooter accidents are the result of head injuries The use of a safety hel met is the single most critical factor in the prevention or reduction of head in juries Always select an approved motorcy cle helmet Pay attention to the following when choosing a motorcycle helmet The helmet must meet the safety standard SNI The helmet size must match the size of the rider s he...

Page 16: ...Safety information 2 7 2 Full face type use for riding at mid range to high speeds ZAUU0005 ZAUU0006 UB3MEZE0 book Page 7 Thursday December 26 2019 2 23 PM ...

Page 17: ...use box page 7 29 4 Idle adjusting screw page 7 14 5 Seat page 4 12 6 Coolant level check window page 7 12 7 Sidestand page 4 14 8 Shock absorber assembly spring preload adjusting ring page 4 13 9 Shift pedal page 4 9 10 Front brake pads page 7 20 UB3MEZE0 book Page 1 Thursday December 26 2019 2 23 PM ...

Page 18: ...servoir page 7 21 4 Air filter page 7 13 5 Fuel tank cap page 4 10 6 Front brake fluid reservoir page 7 21 7 Front turn signal light page 7 32 8 Headlight page 7 30 9 Auxiliary light page 7 31 10 Engine oil filter element page 7 9 11 Dipstick page 7 9 12 Brake pedal page 4 10 13 Rear brake pads page 7 20 UB3MEZE0 book Page 2 Thursday December 26 2019 2 23 PM ...

Page 19: ... Clutch lever page 4 9 2 Left handlebar switches page 4 8 3 Main switch steering lock page 4 1 4 Multi function display page 4 3 5 Right handlebar switches page 4 8 6 Throttle grip page 7 15 7 Brake lever page 4 10 UB3MEZE0 book Page 3 Thursday December 26 2019 2 23 PM ...

Page 20: ...lly when the engine is started EAU10662 OFF All electrical systems are off The key can be removed WARNING EWA10062 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 EAU1068B LOCK The steering is locked and all electrical systems are off The key can be re moved To lock the steering 1...

Page 21: ... light comes on when the engine is overheating If this occurs stop the engine immediately and allow the engine to cool See page 7 38 For vehicles with a radiator fan the ra diator fan s automatically switch on or off according to the coolant tempera ture TIP When the vehicle is turned on the light will come on for a few seconds and then go off If the light does not come on or if the light remains ...

Page 22: ... EAU86811 Multi function meter unit WARNING EWA12423 Be sure to stop the vehicle before making any setting changes to the multi function meter unit Changing settings while riding can distract the operator and increase the risk of an accident EAU86831 Speedometer The speedometer shows the vehicle s traveling speed EAU87180 Tachometer 1 RESET SELECT button 2 Transmission gear display 3 Tachometer 4 ...

Page 23: ...soon as possible TIP If a problem is detected in the electrical circuit the fuel level segments will flash repeatedly If this occurs have a Yamaha dealer check the vehicle EAU87370 VVA indicator This model is equipped with variable valve actuation VVA for good fuel economy and acceleration in both the low speed and high speed ranges The VVA indicator comes on when the variable valve actuation syst...

Page 24: ...or L 100 km AVE_ _ _ km L or AVE_ _ _ L 100 km ODO TIP The fuel reserve tripmeter appears only when you are low on fuel EAU86890 Odometer The odometer shows the total distance traveled by the vehicle TIP The odometer will lock at 999999 and cannot be reset EAU88060 Tripmeters The tripmeters show the distance trav eled since they were last reset To reset a tripmeter change the dis play to the tripm...

Page 25: ...CT button to set the hours 3 Push the RESET SELECT but ton until the minute digits start flashing 4 Use the RESET SELECT button to set the minutes 5 Push the RESET SELECT but ton until the minute digits stop flashing The setting is confirmed TIP If you do not push the RESET SE LECT button to confirm the setting within 90 seconds the clock will not be set and will return to the prior time EAU87750 ...

Page 26: ... message Hi bro when they turn the vehicle on The user name bro is set as the factory default but it can be set to your name To set the user name 1 Turn the vehicle off 2 Push and hold the RESET SE LECT button 3 Turn the vehicle on and then re lease the RESET SELECT but ton after 4 seconds 4 When the first character starts flashing push the RESET SE LECT button to change the char acter to the next...

Page 27: ...he turn signal lights push the switch in after it has re turned to the center position EAU12501 Horn switch Press this switch to sound the horn EAU12664 Engine stop switch Set this switch to run before starting the engine Set this switch to stop to stop the engine in case of an emergency such as in the event of an overturn or if the throttle is stuck EAU12713 Start switch Push this switch to crank...

Page 28: ...ning otherwise the bat tery may discharge EAU12823 Clutch lever To disengage the drivetrain from the engine such as when shifting gears pull the clutch lever toward to the han dlebar Release the lever to engage the clutch and transmit power to the rear wheel TIP The lever should be pulled rapidly and released slowly for smooth shifting See page 6 3 EAU12876 Shift pedal The shift pedal is located o...

Page 29: ...edal EAUM2083 Fuel tank cap To remove the fuel tank cap 1 Open the fuel tank cap lock cover 2 Insert the key and turn it 1 4 turn counterclockwise The lock will be released and the fuel tank cap can be removed To install the fuel tank cap 1 Push the fuel tank cap into posi tion with the key inserted 2 Turn the key clockwise to the orig inal position and then remove it 3 Close the lock cover 1 Brak...

Page 30: ...parks open flames or other sources of ignition such as the pilot lights of water heaters and clothes dryers 2 Do not overfill the fuel tank Stop filling when the fuel reaches the bottom of the filler tube Because fuel expands when it heats up heat from the engine or the sun can cause fuel to spill out of the fuel tank 3 Wipe up any spilled fuel immedi ately NOTICE Immediately wipe off spilled fuel...

Page 31: ...t a fire hazard or burns Do not park the vehicle near 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 doing any maintenance work Do not allow the engine to idle more than a few minutes Long idling can cause a buil...

Page 32: ...hey will not get damaged or wet EAU14835 Adjusting the shock absorber assembly This shock absorber assembly is equipped with a spring preload adjust ing ring NOTICE ECA10102 To avoid damaging the mechanism do not attempt to turn beyond the maximum or minimum settings Adjust the spring preload as follows Turn the adjusting ring in direction a to increase the spring preload Turn the adjusting ring i...

Page 33: ...ge the cylinder in any way Cylinder damage will result in poor damping performance Do not dispose of a damaged or worn out shock absorber as sembly yourself Take the shock absorber assembly to a Yamaha dealer for any service EAU37491 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 WARNING EWA14191 The...

Page 34: ...ents in gear engine starts unless the clutch lever is pulled Periodically check the system via the following procedure TIP This check is most reliable if per formed with a warmed up engine See pages 4 1 and 4 8 for switch operation information UB3MEZE0 book Page 15 Thursday December 26 2019 2 23 PM ...

Page 35: ...den until checked by a Yamaha dealer 5 Stop the engine 6 Set engine stop switch to run position 7 Shift transmission into gear 8 Pull the clutch lever 9 Push the start switch Does the engine start The clutch switch may not be working The vehicle should not be ridden until checked by a Yamaha dealer NO YES The system is OK The motorcycle can be ridden YES NO If a malfunction is found have the vehic...

Page 36: ... 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 4 11 Engine oil Check oil level in engine If necessary add recommended oil to specified level Check vehicle for oil leakage 7 9 Coolant Check coolant level in reservoir If necessary add recommended coolant to specified level Check cooling ...

Page 37: ... throttle grip free play and lubricate ca ble and grip housing 7 15 7 24 Control cables Make sure that operation is smooth Lubricate if necessary 7 24 Drive chain Check chain slack Adjust if necessary Check chain condition Lubricate if necessary 7 22 7 23 Wheels and tires Check for damage Check tire condition and tread depth Check air pressure Correct if necessary 7 16 7 17 Brake pedal Make sure t...

Page 38: ...ssis fasteners Make sure that all nuts bolts and screws are properly tightened Tighten if necessary Instruments lights signals and switches Check operation Correct if necessary ITEM CHECKS PAGE UB3MEZE0 book Page 3 Thursday December 26 2019 2 23 PM ...

Page 39: ... first 1600 km 1000 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 EAU17104 0 1000 km 0 600 mi Avoid prolonged operation above 5000 r min NOTICE After 1000 km 600 mi of operation the engine oil must be changed and the oil ...

Page 40: ...te the vehi cle if a warning light remains on Have a Yamaha dealer check the ve hicle 3 Shift the transmission into the neutral position 4 Start the engine by pushing the start switch 5 Release the start switch when the engine starts or after 5 seconds Wait 10 seconds before pressing the switch again to allow battery voltage to restore NOTICE ECA11043 For maximum engine life never ac celerate hard...

Page 41: ...ly until it reaches the end of its travel and then slightly raise it NOTICE ECA10261 Even with the transmission in the neutral position do not coast for long periods of time with the engine off and do not tow the motorcycle for long dis tances The transmission is properly lubricated only when the engine is running Inade quate lubrication may damage the transmission Always use the clutch while chan...

Page 42: ... it idle for an extended length of time e g in traffic jams at traf fic lights or at railroad crossings EAU17214 Parking When parking stop the engine and then remove the key from the main switch WARNING EWA10312 Since the engine and exhaust 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 o...

Page 43: ...rvice WARNING EWA15123 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 leading to death See page 2 2 for more in formation about carbon mo...

Page 44: ... ITEM CHECK OR MAINTENANCE JOB ODOMETER READING whichever comes first ANNUAL CHECK 1000 km or 1 month 4000 km or 4 months 7000 km or 7 months 10000 km or 10 months 13000 km or 13 months 1 Fuel line Check fuel hoses for cracks or damage 2 Fuel filter Check condition Replace if necessary Every 12000 km 7500 mi 3 Spark plug Check condition Clean and regap Replace Every 8000 km 5000 mi 4 Valves Check ...

Page 45: ... ele ment Clean Secondary air filter element Replace Every 24000 km 15000 mi 3 Air filter check hose Clean 4 Battery Check voltage Charge if necessary 5 Clutch Check operation Adjust 6 Front brake Check operation fluid level and vehicle for fluid leakage Replace brake pads Whenever worn to the limit 7 Rear brake Check operation fluid level and vehicle for fluid leakage Replace brake pads Whenever ...

Page 46: ...rain or riding in wet areas 14 Steering bearings Check bearing play and steering for roughness Lubricate with lithium soap based grease Every 12000 km 7500 mi 15 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened 16 Front brake lever pivot shaft Lubricate with silicone grease 17 Brake pedal pivot shaft Lubricate with lithium soap based grease 18 Clutch lever pivot sh...

Page 47: ... vehicle for oil leakage 24 Engine oil filter ele ment Replace 25 Cooling system Check coolant level and vehicle for coolant leakage Change coolant Every 3 years 26 Front and rear brake switches Check operation 27 Moving parts and cables Lubricate 28 Throttle grip Check operation Check throttle grip free play and adjust if necessary Lubricate cable and grip housing NO ITEM CHECK OR MAINTENANCE JOB...

Page 48: ...nternal components of the brake master cylinder and caliper and change the brake fluid Replace the brake hoses every four years and if cracked or damaged 29 Lights signals and switches Check operation Adjust headlight beam NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING whichever comes first ANNUAL CHECK 1000 km or 1 month 4000 km or 4 months 7000 km or 7 months 10000 km or 10 months 13000 km or...

Page 49: ...ck fastener and then pull down the panel off To install the panel 1 Insert the hole on the bottom of panel into the projections on the bracket of battery box 2 Place the panel in the original po sition 3 Install the quick fastener 4 Turn the key 1 4 turn counter clockwise remove it and then slide the panel lock cover closed Panel B To remove the panel 1 Remove the seat See page 4 12 2 Remove the b...

Page 50: ... engine To remove the spark plug 1 Remove the spark plug cap 2 Remove the spark plug as shown with a spark plug wrench available at a Yamaha dealer 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 vehi cle is ridden normally TIP If the spark plug shows a distinctly dif ferent color the engin...

Page 51: ... the oil must be changed and the oil filter ele ment replaced 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 ...

Page 52: ...ne oil filler cap and the drain bolt along with the O ring compression spring and engine oil 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 ECA11002 4 Clean the engine oil strainer with solvent TIP Skip steps 5 7 if the oil filter element is not being replace...

Page 53: ...nd then install and tighten the oil filler cap NOTICE ECA11621 In order to prevent clutch slip page since the engine oil also lubricates the clutch do not mix any chemical additives Do not use oils 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...

Page 54: ...ld it in an upright posi tion TIP The coolant level must be checked on a cold engine since the level varies with engine tem perature Make sure that the vehicle is posi tioned straight up when checking the coolant level A slight tilt to the side can result in a false reading 2 Check the coolant level in the coolant reservoir TIP The coolant should be between the minimum and maximum level marks 3 If...

Page 55: ...ced ECA10473 EAU33032 Changing the coolant The coolant must be changed at the in tervals specified in the periodic main tenance and lubrication chart Have a Yamaha dealer change the coolant WARNING Never attempt to remove the radiator cap when the engine is hot EWA10382 EAUU2170 Air filter element and check hose The air filter element should be cleaned or replaced by a Yamaha dealer at the interva...

Page 56: ...ne should be warm before making this adjustment Check the engine idling speed and if necessary adjust it to specification by turning the idle adjusting screw To in crease the engine idling speed turn the screw in direction a To decrease the engine 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 adjustm...

Page 57: ...rn the adjusting nut in di rection b 3 Tighten the locknut EAU21403 Valve clearance The valves are an important engine component and since valve clearance changes with use they must be checked and adjusted at the intervals specified in the periodic maintenance chart Unadjusted valves can result in improper air fuel mixture engine noise and eventually engine damage To prevent this from occurring ha...

Page 58: ...ed in accordance with the riding speed and with the total weight of rider passenger car go and accessories approved for this model WARNING EWA10512 Never overload your vehicle Opera tion of an overloaded vehicle could cause an accident Tire inspection The tires must be checked before each ride If the tire shows crosswise lines minimum tread depth if the tire has a nail or glass fragments in it or ...

Page 59: ...re specialists to ascertain their suitability for further use WARNING EWA10462 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 EAU49713 Spoke wheels To maximize the performance durabil i...

Page 60: ... 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 clutch lever free play adjusting nut in direction a To decrease the clutch lever free play turn the adjusting nut in di rection b 7 Tighten the locknut at the crank case 8 Tighten t...

Page 61: ...may re sult in loss of control and an acci dent EAU22275 Brake light switches The brake light is activated by switches connected to the brake lever and brake pedal Check that the brake light comes on just before braking takes ef fect If necessary adjust the rear brake light switch as follows Turn the rear brake light switch adjust ing nut while holding the rear brake light switch in place To make ...

Page 62: ...nd lubrication chart Each brake pad is provided with a wear indicator groove which allows you to check the brake pad wear without having to disassem ble the brake To check the brake pad wear check the wear indicator grooves If a brake pad has worn to the point that the wear indicator groove has almost disappeared have a Yamaha dealer replace the brake pads as a set 1 Brake pad wear indicator groov...

Page 63: ...a Yamaha dealer check the cause before further rid ing WARNING EWA15991 Improper maintenance can result in loss of braking ability Observe these precautions Insufficient brake fluid may al low air to enter the brake sys tem reducing braking performance Clean the filler cap before re moving Use only DOT 4 brake fluid from a sealed container Use only the specified brake flu id otherwise the rubber s...

Page 64: ...lack as shown 4 If the drive chain slack is incorrect adjust it as follows NOTICE Im proper drive chain slack will overload the engine as well as other vital parts of the motorcy cle and can lead to chain slip page or breakage To prevent this from occurring keep the drive chain slack within the specified limits ECA10572 EAU3431B To adjust the drive chain slack Consult a Yamaha dealer before ad jus...

Page 65: ...ly when riding in dusty or wet areas Service the drive chain as follows NOTICE ECA10584 The drive chain must be lubricated after washing the motorcycle riding in the rain or riding in wet areas 1 Clean the drive chain with kero sene and a small soft brush NOTICE To prevent damaging the O rings do not clean the drive chain with steam cleaners high pressure washers or inap propriate solvents ECA1112...

Page 66: ...nt unsafe condi tions EWA10712 EAU23115 Checking and lubricating the throttle grip and cable The operation of the throttle grip should be checked before each ride In addition the cable should be lubricat ed by a Yamaha dealer at the intervals specified in the periodic maintenance chart The throttle cable is equipped with a rubber cover Make sure that the cover is securely installed Even though the...

Page 67: ... lu bricated if necessary Brake lever Clutch lever EAU23185 Checking and lubricating the brake pedal The operation of the brake pedal should be checked before each ride and the pedal pivot should be lubricat ed if necessary Recommended lubricants Brake lever Silicone grease Clutch lever Lithium soap based grease Recommended lubricant Lithium soap based grease UB3MEZE0 book Page 25 Thursday Decembe...

Page 68: ...operator re sulting in a possible loss of control EAU23252 Lubricating the rear suspen sion The pivoting points of the rear suspen sion must be lubricated by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart EAUM1653 Lubricating the swingarm piv ots The swingarm pivots must be lubricat ed by a Yamaha dealer at the intervals specified in the periodic maint...

Page 69: ...times to check if the front fork compresses and re bounds smoothly NOTICE ECA10591 If any damage is found or the front fork does not operate smoothly have a Yamaha dealer check or re pair it EAU23285 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 periodic maintenance and lu...

Page 70: ...id which causes severe burns Avoid any contact with skin eyes or clothing and al ways shield your eyes when working near batteries In case of contact administer the fol lowing FIRST AID EXTERNAL Flush with plenty of water INTERNAL Drink large quan tities of water or milk and im mediately call a physician EYES Flush with water for 15 minutes and seek prompt medical attention Batteries produce explo...

Page 71: ... check it at least once a month and fully charge it if necessary 3 Fully charge the battery before in stallation NOTICE When install ing the battery be sure to turn the main switch off then con nect the positive lead before connecting the negative lead ECA16842 4 After installation make sure that the battery leads are properly con nected to the battery terminals NOTICE ECA16531 Always keep the bat...

Page 72: ...nosity and the life of the bulb may be adversely affected Thoroughly clean off any dirt oil or fingerprints from the bulb using a cloth moistened with al cohol or thinner Do not use a headlight bulb of a wattage higher than specified Do not affix any type of tinted film or stickers to the headlight lens 1 Remove the headlight cowling to gether with the headlight unit by removing the bolts and pull...

Page 73: ...ha dealer adjust the headlight beam if necessary EAU45226 Replacing the auxiliary light bulb If the auxiliary light bulb burns out re place it as follows 1 Remove the headlight unit See page 7 30 2 Remove the auxiliary light bulb socket together with the bulb by pulling it out 3 Remove the burnt out bulb by pulling it out 4 Insert a new bulb into the socket 5 Install the socket together with the b...

Page 74: ...rning it coun terclockwise 3 Insert a new bulb into the socket push it in and then turn it clock wise until it stops 4 Install the lens by installing the screw NOTICE Do not over tighten the screw otherwise the lens may break ECA11192 EAU24314 Replacing the license plate light bulb 1 Remove the license plate light unit by removing the screws 2 Remove the license plate light bulb socket together wi...

Page 75: ... off the ground according to the procedure in the previous section Supporting the motorcycle 3 Remove the brake caliper by re moving the bolts NOTICE Do not apply the brake after the brake caliper has been re moved otherwise the brake pads will be forced shut ECA22240 4 Remove the axle nut 5 Pull the wheel axle out and then remove the wheel To install the front wheel 1 Lift the wheel up between th...

Page 76: ...nut 3 Lift the rear wheel off the ground according to the procedure on page 7 33 4 Remove the axle nut 5 Push the wheel forward and then remove the drive chain from the rear sprocket TIP If the drive chain is difficult to re move remove 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 ord...

Page 77: ...in the brake caliper bracket is fit over the retainer on the swingarm Make sure that there is enough space between the brake pads before installing the wheel 2 Install the drive chain onto the rear sprocket 3 Install the axle nut 4 Lower the rear wheel so that it is on the ground and then put the sidestand down 5 Adjust the drive chain slack See page 7 22 6 Tighten the axle nut and then tighten th...

Page 78: ...ire any repair take it to a Yamaha dealer whose skilled technicians have the necessary tools experience and know how to service the motorcycle properly Use only genuine Yamaha replace ment parts Imitation parts may look like Yamaha parts but they are often inferior have a shorter service life and can lead to expensive repair bills WARNING EWA15142 When checking the fuel system do not smoke and mak...

Page 79: ...a Yamaha dealer check the vehicle Remove the spark plug and check the electrodes 3 Ignition Wipe off with a dry cloth and correct the spark plug gap or replace the spark plug s Have a Yamaha dealer check the vehicle The engine does not start Check the compression Operate the electric starter 2 Battery The engine turns over quickly The engine turns over slowly The battery is good Dry Wet Try starti...

Page 80: ...pped 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 cool ant 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 cooling system for ...

Page 81: ...magne sium wheels harsh chemicals abrasive cleaning compounds or wax on matte finished parts Brushes can scratch and damage the matte finish use soft sponge or towel only towels sponges or brushes contaminated with abrasive cleaning products or strong chemicals such as solvents gasoline rust removers brake fluid or antifreeze etc Before washing 1 Park the vehicle out of direct sun light and allow ...

Page 82: ...d stainless steel parts Often the thermally in duced discoloring of stainless steel exhaust systems can be re moved through polishing 4 Apply a corrosion protection spray on all metal parts including chrome or nickel plated surfaces WARNING Do not apply sili cone or oil spray to seats hand grips rubber foot pegs or tire treads Otherwise these parts will become slippery which could cause loss of co...

Page 83: ...lars stables because of the presence of ammonia and areas where strong chemi cals are stored Long term storage Before storing the vehicle long term 60 days or more 1 Make all necessary repairs and perform any outstanding mainte nance 2 Follow all instructions in the Care section of this chapter 3 Fill up the fuel tank adding fuel stabilizer according to product in structions Run the engine for 5 m...

Page 84: ...s and pedals as well as the sidestand and centerstand if equipped 8 Check and correct the tire air pressure and then lift the vehicle so that all wheels are off the ground Otherwise turn the wheels a little once a month in or der to prevent the tires from be coming degraded in one spot 9 Cover the muffler outlet with a plastic bag to prevent moisture from entering it 10 Remove the battery and full...

Page 85: ...antity Oil change 0 85 L 0 90 US qt 0 75 Imp qt With oil filter removal 0 95 L 1 00 US qt 0 84 Imp qt Coolant quantity Coolant reservoir up to the maximum level mark 0 25 L 0 26 US qt 0 22 Imp qt Radiator including all routes 0 60 L 0 63 US qt 0 53 Imp qt Fuel Recommended fuel Unleaded gasoline only Octane number RON 90 Fuel tank capacity 8 1 L 2 1 US gal 1 8 Imp gal Fuel reserve amount 1 6 L 0 42...

Page 86: ...garm link suspension Electrical system System voltage 12 V Battery Model YTZ4V Voltage capacity 12 V 3 0 Ah 10 HR Model GTZ4V Voltage capacity 12 V 3 0 Ah 10 HR Headlight Bulb type Halogen bulb Bulb wattage Headlight HS1 35 0 W 35 0 W Brake tail light Front turn signal light 10 0 W Rear turn signal light 10 0 W Auxiliary light 5 0 W License plate light 5 0 W UB3MEZE0 book Page 2 Thursday December ...

Page 87: ...1 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 be used to register your motorcy cle with the licensing authority in your area EAUU1221 Engine serial number The engine serial number is stamped on the bottom left side of...

Page 88: ...ched to the vehicle such as when maintenance checks or service proce dures are performed Yamaha will not disclose this data to a third party except in the following cas es In addition Yamaha may provide vehicle data to a contractor in order to outsource services related to the han dling of vehicle data Even in this case Yamaha will require the contractor to properly handle the vehicle data we prov...

Page 89: ...0 Fuses replacing 7 29 H Handlebar switches 4 8 Hazard lights switch 4 9 Headlight bulb replacing 7 30 Helmets 2 6 High beam indicator light 4 2 Horn switch 4 8 I Identification numbers 10 1 Indicator lights and warning light 4 2 L Labels location 1 1 License plate light bulb replacing 7 32 M Main switch steering lock 4 1 Maintenance and lubrication periodic 7 3 Maintenance emission control system...

Page 90: ...Turn signal indicator light 4 2 Turn signal light bulb replacing 7 32 Turn signal switch 4 8 V Valve clearance 7 15 Vehicle identification number 10 1 VVA indicator 4 4 W Welcome screen 4 7 Wheel bearings checking 7 28 Wheel front 7 33 Wheel rear 7 34 Wheels 7 17 UB3MEZE0 book Page 2 Thursday December 26 2019 2 23 PM ...

Page 91: ...UB3MEZE0 book Page 3 Thursday December 26 2019 2 23 PM ...

Page 92: ...DIC183 PRINTED IN INDONESIA 2020 02 ...

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Yamaha WR 155, Owner'S Manual

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