Yamaha R15 YZF155 2018 Owner'S Manual Download

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7-8

Periodic maintenance and adjustment

EAU18724

Removing and installing the
cowling and panels

The cowling and panels shown need to
be removed to perform some of the
maintenance jobs described in this
chapter. Refer to this section each time
the cowling or a panel needs to be re-
moved and installed.

EAU80680

Cowling A

To remove the cowling

1. Remove panels A, B and C. (See

page 7-7.)

2. Remove the bolts, quick fasteners

and screw, and then pull the cowl-
ing outward and take it off.

To install the cowling

1. Fit the projection on the cowling

into the hole, and then push the
cowling inward.

2. Install the screw, quick fasteners

and bolts.

3. Install panels A, B and C. (See

page 7-7.)

EAU80690

Panel A

To remove the panel
Remove the four quick fasteners and
one bolt for the panel, and then remove
the panel.

1. Panel A

2. Panel B

3. Panel C

4. Cowling A

1. Cowling A

2. Bolt

3. Quick fastener

4. Screw

1. Cowling A

2. Projection

3. Hole

Summary of Contents for R15 YZF155 2018

Page 1: ...B2S F8199 30 B2S F8199 30 YZF155 YZF155 3FBE UIJT NBOVBM DBSFGVMMZ CFGPSF PQFSBUJOH UIJT WFIJDMF 08 3 4 6 ...

Page 2: ...is vehicle This manual should stay with this vehicle if it is sold EAU46091 EAU46091 䘉 অ䖖ԕࡽˈ䈧 ݵ 䘉ሿ Ǆ䘉享Ԉо অ䖖а䎧Ǆ EAU46091 Baca buku panduan dengan teliti sebelum mengendalikan motosikal ini Buku panduan diberi bersama dengan pembelian motosikal B2S ...

Page 3: ...s from trouble and injury 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 c...

Page 4: ... used to alert you to potential 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 e...

Page 5: ...AUV0012 YZF155 OWNER S MANUAL 2018 by Yamaha Motor Co Ltd 1st edition June 2018 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in Malaysia ...

Page 6: ...e emission control system 7 2 General maintenance and lubrication chart 7 3 Removing and installing the cowling and panels 7 7 Checking the spark plug 7 9 Engine oil and oil filter element 7 10 Coolant 7 13 Cleaning the air filter element 7 14 Adjusting the engine idling speed 7 15 Adjusting the throttle grip free play 7 16 Valve clearance 7 17 Tires 7 17 Cast wheels 7 19 Adjusting the clutch leve...

Page 7: ...ycle 7 32 Front wheel 7 33 Rear wheel 7 34 Troubleshooting 7 36 Troubleshooting charts 7 37 Motorcycle care and storage 8 1 Matte color caution 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 ...

Page 8: ... the labels on your vehicle They contain important information for safe and proper operation of your vehicle Never remove any labels from your vehicle If a label becomes difficult to read or comes off a replacement label is available from your Yamaha dealer 3 1 2 1 1 ...

Page 9: ...cation of important labels 1 2 1 1 225 33 225 33 220 36 250 36 100kPa 1bar kPa psi kPa psi 2 Before you operate this vehicle read the owner s manual WARNING LOAD LIMIT Hook 1Kg Seat Box 1Kg Front Box 1Kg ...

Page 10: ...he training courses nearest you 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 7 1 for a list of pre operation checks t This scooter is designed to carry the operator and a passenger t The failure of mo...

Page 11: ... rests during operation to main tain control of the scooter t The passenger should 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 t Never ride under the influence of alcohol or other drugs t This scooter is designed for o...

Page 12: ...ht distribution of the scooter is changed To avoid the possibility of an accident use extreme caution when adding cargo or acces sories to your scooter Use extra care when riding a scooter that has added cargo or accessories Here along with the information about accessories be low are some general guidelines to fol low if loading cargo to your scooter The total weight of the operator pas senger ac...

Page 13: ...ies related to changes in the vehicle Keep the following guidelines in mind as well as those provided under Load ing when mounting accessories t Never install accessories or carry cargo that would impair the per formance of your scooter Careful ly 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 st...

Page 14: ...e tie downs if possible so that the scooter will not bounce exces sively during transport EAU57600 Further safe riding points t Be sure to signal clearly when making turns t Braking can be extremely difficult on a wet road Avoid hard braking because the scooter could slide Apply the brakes slowly when stopping on a wet surface t Slow down as you approach a corner or turn Once you have completed a ...

Page 15: ...proved motorcy cle helmet Pay attention to the following when choosing a motorcycle helmet t The helmet must meet the safety standard SIRIM t The helmet size must match the size of the rider s head t Never subject a helmet to heavy shocks Wearing the helmet correctly Always connect the chin strap In the case of an accident the helmet has a much less chance of coming off if the chin strap is connec...

Page 16: ... view 1 2 3 9 8 4 5 6 7 1 Headlight page 7 31 2 Auxiliary light page 7 31 3 Fuel tank cap page 4 14 4 Air filter page 7 14 5 Battery page 7 29 6 Fuse page 7 30 7 Owner s tool kit page 7 1 8 Sidestand page 4 18 9 Shift pedal page 4 13 ...

Page 17: ...ear turn signal light page 7 32 2 Tail brake light page 7 31 3 Front brake fluid reservoir page 7 21 4 Front turn signal light page 7 32 5 Engine oil filter element page 7 10 6 Dipstick page 7 10 7 Brake pedal page 4 13 8 Rear brake fluid reservoir page 7 21 ...

Page 18: ...truments 1 2 3 4 5 6 7 1 Clutch lever page 4 12 2 Left handlebar switches page 4 11 3 Multi function meter unit page 4 4 4 Main switch steering lock page 4 1 5 Right handlebar switches page 4 11 6 Throttle grip page 7 16 7 Brake lever page 4 13 ...

Page 19: ...mes on auto matically when the key is turned to z The fuel pump can be heard when the key is turned to EAU76120 off All electrical systems are off The key can be removed WARNING EWA15351 Never turn the key to or while the vehicle is moving Other wise the electrical systems will be switched off which may result in loss of control or an accident EAU76130 lock The steering is locked and all electrica...

Page 20: ...yhole shutter receptacle as shown and then turn the key to the right to open the keyhole shutter To close the keyhole shutter Insert the keyhole shutter key into the keyhole shutter receptacle as shown and then turn the key to the left to close the keyhole shutter 1 Main switch steering lock key 2 Keyhole shutter key 2 1 Instrument and control functions ...

Page 21: ...cal circuit NOTICE ECA10022 Do not continue to operate the en gine if it is overheating TIP For radiator fan equipped vehi cles the radiator fan s automati cally switch on or off according to the coolant temperature in the ra diator If the engine overheats see page 7 38 for further instructions EAU68540 Engine trouble warning light This warning light comes on or flashes if a problem is detected in...

Page 22: ...screen To adjust the brightness screen 1 Turn the key to 2 Push and hold the SELECT but ton 3 Turn the key to and then re lease the SELECT button after five seconds 4 Push the RESET button to select the desired brightness level 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...

Page 23: ... to test the electrical circuit 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 system has switched to the high speed range Tachometer The tachometer allows the rider to monitor the engine speed and keep it within the ideal power ran...

Page 24: ... km L or AVE_ _ _ L 100 km o AVE_ _ _ km h o ODO If the last segment of the fuel meter starts flashing the display automati cally changes to the fuel reserve trip meter mode TRIP F and starts counting the distance traveled from that point In that case push the SE LECT button to switch the display be tween the various tripmeter odometer clock instantaneous fuel consump tion average fuel consumption...

Page 25: ...at least one second Clock mode The clock uses a 12 hour time system To set the clock 1 Switch the display to the clock mode 2 With the display in the clock mode push and hold the SE LECT and RESET button to gether 3 When the hour digits start flash ing use the RESET button to set the hours 4 Push the SELECT button and the minutes will start flashing 5 Use the RESET button to set the minutes 6 Push...

Page 26: ...l consumption since it was last reset There are two display mode AVE_ _ _ km L and AVE_ _ _ L 100 km To switch the average fuel consump tion display between AVE_ _ _ km L and AVE_ _ _ L 100 km push the SELECT button for one second z AVE_ _ _ km L The average dis tance that can be traveled on 1 0 L of fuel is shown z AVE_ _ _ L 100 km The average amount of fuel necessary to travel 100 km is shown T...

Page 27: ...hat push the SELECT button again The shift timing indicator light can now be adjusted To set the flashing pattern 1 Push the RESET button to select one of the following flashing pat tern settings z On the indicator light stays on when activated This set ting is selected when the indi cator light stays on z Flash the indicator light flashes when activated This setting is selected when the indicator...

Page 28: ...level 2 Push the SELECT button to con firm the selected brightness level The display exits the shift timing light control mode and returns to the standard multi function dis play mode Welcome screen The welcome screen greets the rider when the key is turned to with the messages Hi Buddy and see you when the key is turned to The user name Buddy is set as the facto ry default but it can be set to yo...

Page 29: ... high beam and to for the low beam To flash the high beam push the pass side PASS of the switch while the headlights are on low beam EAU12461 Turn signal switch To signal a right hand turn push this switch to To signal a left hand turn push this switch to When released the switch returns to the cen ter position To cancel the turn signal lights push the switch in after it has re turned to the cente...

Page 30: ...e with the en gine not running otherwise the bat tery may discharge EAU31642 Clutch lever The clutch lever is located on the left side of the handlebar To disengage the clutch pull the lever toward the handlebar grip To engage the clutch release the lever The lever should be pulled rapidly and released slowly for smooth clutch operation The clutch lever is equipped with a clutch switch which is pa...

Page 31: ...r 1 1 Brake pedal 1 EAUE1481 Fuel tank cap To remove the fuel tank cap 1 Open the fuel tank cap lock cover 2 Insert the key into the lock and turn it 1 4 turn clockwise 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 in the lock 2 Turn the key counterclockwise to the original position and then...

Page 32: ... 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 with a cl...

Page 33: ...or burns z Do not park the vehicle near possible fire hazards such as grass or other materials that easily burn z Park the vehicle in a place where pedestrians or children are not likely to touch the hot exhaust system z Make sure that the exhaust sys tem has cooled down before doing any maintenance work z Do not allow the engine to idle more than a few minutes Long idling can cause a build up of ...

Page 34: ...over 1 1 Nut 1 Projection 2 Seat holder 1 2 1 2 Install the passenger seat by in stalling the nut 3 Install the plastic cover Rider seat To remove the rider seat 1 Insert the key into the seat lock and then turn it clockwise 2 While holding the key in the posi tion 2 lift the front of the rider seat and pull it backward 1 Rider seat lock 2 Unlock 2 1 To install the rider seat 1 Insert the projecti...

Page 35: ... onto the helmet holder and then securely install the seat WARNING Never ride with a helmet attached to the helmet holder since the helmet may hit objects causing loss of control and possibly an acci dent EWA10162 1 Projection 2 Seat holder 2 1 1 Helmet holder 1 To release the helmet from the hel met holder Remove the rider seat remove the hel met from the helmet holder and then install the seat 1...

Page 36: ...stand could contact the ground and distract the operator resulting in a possible loss of control EAU15393 Starting circuit cut off system The starting circuit cut off system comprising the clutch switch and the neutral switch prevents starting when the transmission is in gear and the clutch lever is not pulled Periodically check the operation of the starting circuit cut off system accord ing to th...

Page 37: ...t be ridden until checked by a Yamaha dealer 5 Turn the engine off 6 Shift the transmission into gear 7 Keep the clutch lever pulled 8 Push the start switch Does the engine start The clutch switch may not be working correctly The motorcycle 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 noted have a Yamaha deale...

Page 38: ...Yamaha dealer Before using this vehicle check the following points E G A P S K C E H C M E T I Fuel t Check fuel level in fuel tank t Refuel if necessary t Check fuel line for leakage 4 14 Engine oil t Check oil level in engine t If necessary add recommended oil to specified level t Check vehicle for oil leakage 7 10 Coolant t Check coolant level in reservoir t If necessary add recommended coolant...

Page 39: ...djust throttle grip free play and lubricate ca ble end and grip housing 7 16 7 25 Control cables t Make sure that operation is smooth t Lubricate cable ends if necessary 7 25 Drive chain t Check chain slack t Adjust if necessary t Check chain condition t Lubricate if necessary 7 22 7 24 Wheels and tires t Check for damage t Check tire condition and tread depth t Check air pressure t Correct if nec...

Page 40: ...ke sure that all nuts bolts and screws are properly tightened t Tighten if necessary Instruments lights signals and switches t Check operation t Correct if necessary E G A P S K C E H C M E T I For your safety pre operation checks ...

Page 41: ...ngine In order for the starting circuit cut off system to enable starting one of the following conditions must be met z The transmission is in the neutral position z The transmission is in gear with the clutch lever pulled See page 4 18 for more informa tion 1 Turn the key to and make sure that the engine stop switch is set to The engine trouble warning light should come on for a few sec onds then...

Page 42: ...P 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 ECA10261 z 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 ...

Page 43: ...lly Since the engine is brand new do not put an excessive load on it for the 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 A...

Page 44: ...tem can become very hot park in a place where pedestri ans or children are not likely to touch them and be burned z Do not park on a slope or on soft ground otherwise the vehicle may overturn increasing the risk of a fuel leak and fire z Do not park near grass or other flammable materials which might catch fire Operation and important riding points ...

Page 45: ...OF YAMAHA MOTORCYCLES 2 A MOTORCYCLE CAN KEEP ITS PERFORMANCE CAPABILITY FOR A LONGER TIME Comparison of wear on engine parts piston piston ring cylinder etc 100 Perfect operative condition Without maintenance Distance covered km Engine overhaul cylinder boring piston ring change etc With maintenance ZAUV0284 Operation and important riding points ...

Page 46: ... TRADED IN AS A USED PRODUCT Fuel consumption 100 Without maintenance Distance covered km With maintenance Customer s running cost fuel cost plus maintenance and repair expenses Without maintenance With maintenance Big repairs at higher expenses Distance covered km S ZAUV0285 Operation and important riding points ...

Page 47: ...NING EWA15123 Turn off the engine when performing maintenance unless otherwise specified z A running engine has moving parts that can catch on body parts or clothing and electrical parts that can cause shocks or fires z Running the engine while ser vicing can lead to eye injury burns fire or carbon monoxide poisoning possibly leading to death See page 2 3 for more in formation about carbon monox i...

Page 48: ... ANNUAL CHECK 1000 km 1 month 4000 km 4 months 7000 km 7 months 10000 km 10 months 13000 km 13 months 1 Fuel line t Check fuel hoses for cracks or damage 2 Fuel filter t Check condition t Replace if necessary Every 12000 km 7500 mi 3 Spark plug t Check condition t Clean and regap i m 0 0 0 5 m k 0 0 0 8 y r e v E e c a l p e R t 4 Valves t Check valve clearance t Adjust Every 10000 km 6200 mi 5 Fu...

Page 49: ... Charge if necessary 4 Clutch t Check operation t Adjust 5 Front brake t Check operation fluid level and vehicle for fluid leakage t i m i l e h t o t n r o w r e v e n e h W s d a p e k a r b e c a l p e R t 6 Rear brake t Check operation fluid level and vehicle for fluid leakage t i m i l e h t o t n r o w r e v e n e h W s d a p e k a r b e c a l p e R t 7 Brake hose t Check for cracks or damag...

Page 50: ...lubricate chain with a special O ring chain lubricant thoroughly Every 1000 km 600 mi and after washing the motorcycle riding in the rain or riding in wet areas 14 Steering bearings t Check bearing play and steering for roughness t Lubricate with lithium soap based grease Every 12000 km 7500 mi NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNUAL CHECK 1000 km 4000 km 7000 km 13000 km 1 month ...

Page 51: ...el and vehicle for oil leakage 24 Engine oil filter ele ment t Replace NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNUAL CHECK 1000 km 4000 km 7000 km 13000 km 1 month 4 months 7 months 10000 km 10 months 13 months 15 Chassis fasteners t Make sure that all nuts bolts and screws are properly tightened 16 Brake lever pivot shaft t Lubricate with silicone grease 17 Brake pedal pivot shaft t Lu...

Page 52: ...eck operation 27 Moving parts and cables t Lubricate 28 Throttle grip t Check operation t Check throttle grip free play and adjust if necessary t Lubricate cable and grip housing 29 Lights signals and switches t Check operation t Adjust headlight beam NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING ANNUAL CHECK 1000 km 4000 km 7000 km 13000 km 1 month 4 months 7 months 10000 km 10 months 13 mont...

Page 53: ...ding in unusually wet or dusty areas z Hydraulic brake service t Regularly check and if necessary correct the brake fluid level t Every two years replace the internal components of the brake master cylinder and caliper and change the brake fluid t Replace the brake hoses every four years and if cracked or damaged ...

Page 54: ...C See page 7 7 2 Remove the bolts quick fasteners and screw and then pull the cowl ing outward and take it off To install the cowling 1 Fit the projection on the cowling into the hole and then push the cowling inward 2 Install the screw quick fasteners and bolts 3 Install panels A B and C See page 7 7 EAU80690 Panel A To remove the panel Remove the four quick fasteners and one bolt for the panel a...

Page 55: ...ull the pan el outward and take it off To install the panel 1 Fit the projection on the panel into the hole push the panel inward and then install the screws bolt and quick fasteners 2 Install panel C See page 7 7 3 Install the rider seat and passen ger seat See page 4 16 Panel C To remove the panel 1 Remove the passenger seat See page 4 16 2 Remove the bolts and screw and then remove the panel 1 ...

Page 56: ...ddi tion the condition of the spark plug can reveal the condition of the engine To remove the spark plug 1 Remove cowling A See page 7 8 2 Remove the spark plug cap 3 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...

Page 57: ...soon as possible 3 Install the spark plug cap 4 Install the cowling EAUE0453 Engine oil and oil filter ele ment The engine oil level should be checked before each ride In addition 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...

Page 58: ...l 3 Remove the engine oil filler cap then 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 ...

Page 59: ...ngine 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 z Make sure that no foreign mate rial enters the crankcase 1 Bolt 2 Oil filter element cover 1 Oil filter element 2 O ring ZAUE1217 1 2 1 2 ZAUE0104 Tightening torques...

Page 60: ...nt level in the coolant reservoir TIP The coolant should be between the minimum and maximum level marks 5 If the coolant is at or below the minimum level mark remove the coolant reservoir cap 1 Coolant reservoir 2 Maximum level mark 3 Minimum level mark 1 2 3 FULL LOW 6 Add coolant to the maximum level mark and then install the coolant reservoir cap WARNING Re move only the coolant reservoir cap N...

Page 61: ... maintenance and lubrication chart Clean the air filter element more fre quently if you are riding in unusually wet or dusty areas 1 Remove the rider seat See page 4 16 2 Remove cowling A See page 7 7 3 Remove the bolts and screws from the fuel tank cover 4 Remove the bolts from the fuel tank 5 Disconnect the fuel pump lead fuel pump coupler and fuel hose and then remove the fuel tank 6 Remove the...

Page 62: ...se remove the clamp and then remove the plug to drain the hose 10 Connect the fuel pump lead fuel pump coupler and fuel hose 11 Install the fuel tank and tighten the bolts 12 Install the fuel tank cover and tighten the bolts and screws 13 Install the cowling 14 Install the rider seat EAU34302 Adjusting the engine idling speed The engine idling speed must be checked and if necessary adjusted as fol...

Page 63: ...e the throttle grip free play as shown Periodically check the throttle grip free play and if necessary adjust it as fol lows TIP The engine idling speed must be cor rectly adjusted before checking and adjusting the throttle grip free play 1 Loosen the locknut 2 To increase the throttle grip free play turn the throttle grip free play adjusting nut in direction a To decrease the throttle grip free p...

Page 64: ...emperature of the tires equals the ambient temperature z The tire air pressure must be adjusted 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 air pressure measured on cold tires 1 person Front Rear 2 persons ...

Page 65: ...ke related parts includ ing the tires should be left to a Yamaha dealer who has the necessary professional knowl edge and experience to do so z Ride at moderate speeds after changing a tire since the tire surface must first be broken in for it to develop its optimal characteristics Tire information This model is equipped with tubeless tires and tire air valves Tires age even if they have not been ...

Page 66: ...y adjust it as fol lows 1 Slide the rubber cover back at the clutch lever 2 Loosen the locknut 3 To increase the clutch lever free play turn the clutch lever free play adjusting bolt in direction a To decrease the clutch lever free play turn the adjusting bolt in di rection b TIP If the specified clutch lever free play could be obtained as described above skip steps 4 7 4 Fully turn the adjusting ...

Page 67: ...ave a Yamaha dealer replace the brake pads as a set EAU36721 Rear brake pads Each rear brake pad is provided with wear indicator grooves which allow you to check the brake pad wear with out having to disassemble 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 grooves have almost disap peared have a Yamaha dealer re...

Page 68: ...e z Refill with the same type of brake fluid Adding a brake fluid other than DOT 3 or DOT 4 may result in a harmful chemical re action z Be careful that water does not enter the brake fluid reservoir when refilling Water will signifi cantly lower the boiling point of the fluid and may result in vapor lock NOTICE ECA17641 Brake fluid may damage painted surfaces or plastic parts Always clean up spil...

Page 69: ...specified in the periodic maintenance and lubrica tion chart In addition have the brake hose replaced every four years and whenever it is damaged or leaking EAU22762 Drive chain slack The drive chain slack should be checked before each ride and adjusted if necessary EAUE1413 To check the drive chain slack 1 Support the motorcycle according to the procedure on page 7 32 TIP When checking and adjust...

Page 70: ... Improp er drive chain slack will over load the engine 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 within the specified limits ECA10572 TIP Using the alignment marks on each side of the swingarm make sure that both drive chain pullers are in the same position for proper wheel alignment 3 Tighten...

Page 71: ...n of all control cables and the condition of the cables should be checked before each ride and the ca ble ends should be lubricated if neces sary If a cable is damaged or does not move smoothly have a Yamaha dealer check or replace it WARNING Dam age to the outer housing of cables may result in internal rusting and cause interference with cable move ment Replace damaged cables as soon as possible ...

Page 72: ...the lever pivots should be lu bricated if necessary Brake lever Recommended lubricant Lithium soap based grease Periodic maintenance and adjustment EAU44276 Checking and lubricating the brake and shift pedals The operation of the brake and shift pedals should be checked before each ride and the pedal pivots should be lu bricated if necessary Brake pedal Shift pedal ...

Page 73: ...ld be lubricated if necessary WARNING EWA10732 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 EAUM2701 Lubricating the swingarm piv ots The swingarm pivots must be lubricat ed at the intervals specified in the peri odic maintenance and lub...

Page 74: ...o move them for ward and backward If any free play can be felt have a Yamaha dealer check or repair the steer ing Periodic maintenance and adjustment EAU23273 Checking the front fork The condition and operation of the front fork must be checked as follows at the intervals specified in the periodic maintenance and lubrication chart To check the condition Check the inner tubes for scratches damage a...

Page 75: ...ay from the battery and pro vide sufficient ventilation when charging it in an enclosed space z KEEP THIS AND ALL BATTER IES OUT OF THE REACH OF CHILDREN NOTICE ECA10621 Never attempt to remove the battery cell seals as this would permanently damage the battery To charge the battery Have a Yamaha dealer charge the bat tery as soon as possible if it seems to have discharged Keep in mind that the ba...

Page 76: ... the main switch on and turn on the electrical circuit in question to check if the device operates 4 If the fuse immediately blows again have a Yamaha dealer check the electrical system 1 Main fuse 2 Accessory fuse 3 Spare fuse 2 1 3 Specified fuses Main fuse 15 0 A Accessory fuse 2 0 A To store the battery 1 If the vehicle will not be used for more than one month remove the battery fully charge i...

Page 77: ...it NOTICE ECA16581 Do not affix any type of tinted film or stickers to the headlight lens EAU54502 Auxiliary lights This model is equipped with LED type auxiliary lights If an auxiliary light does not come on have a Yamaha dealer check it EAU24182 Tail brake light This model is equipped with an LED type tail brake light If the tail brake light does not come on have a Yamaha dealer check it ...

Page 78: ...strong wooden box can be placed un der the engine for added stability To service the front wheel 1 Stabilize the rear of the motorcy cle by using a motorcycle stand or if an additional motorcycle stand is not available by placing a jack under 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 th...

Page 79: ...ere is enough space between the brake pads before install ing the brake caliper onto the brake disc 5 Install the brake hose holder by in stalling the bolt 6 Tighten the wheel axle and brake caliper bolts to the specified torques 7 Push down hard on the handlebar several times to check for proper fork operation 1 Brake hose holder 2 Bolt 3 Brake caliper 4 Brake caliper bolt 5 Wheel axle 5 4 2 1 3 ...

Page 80: ...rear sprocket 1 Drive chain case 2 Bolt 1 Axle nut 2 Washer 3 Drive chain puller 2 1 1 2 3 1 Locknut 2 Drive chain slack adjusting bolt 2 1 a z The drive chain does not need to be disassembled in order to re move and install the wheel 9 While supporting the brake caliper bracket pull the wheel axle out along with the washer and chain puller and then remove the wheel NOTICE Do not apply the brake a...

Page 81: ... Tightening torques Axle nut 59 N m 5 9 kgf m 44 lb ft Locknut 16 N m 1 6 kgf m 12 lb ft EAU25872 Troubleshooting Although Yamaha motorcycles receive a thorough inspection before shipment from the factory trouble may occur during 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 qui...

Page 82: ...5142 When checking the fuel system do not smoke and make sure there are no open flames or sparks in the ar ea including pilot lights from water heaters or furnaces Gasoline or gasoline vapors can ignite or ex plode causing severe injury or prop erty damage ...

Page 83: ...ve a Yamaha dealer check the vehicle Have 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 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 slowl...

Page 84: ...pressure to escape When the hiss ing 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 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 ...

Page 85: ...ng 1 Cover the muffler outlet with a plastic bag after the engine has cooled down 2 Make sure that all caps and cov ers as well as all electrical cou plers and connectors including the spark plug cap are tightly in stalled 3 Remove extremely stubborn dirt like oil burnt onto the crankcase with a degreasing agent and a brush but never apply such prod ucts onto seals gaskets sprock ets the drive cha...

Page 86: ...se a toothbrush or bottlebrush for hard to reach areas Stubborn dirt and insects will come off more easily if the area is covered with a wet cloth for a few minutes before cleaning After riding in the rain or near the sea Since sea salt is extremely corrosive carry out the following steps after each ride in the rain or near the sea 1 Clean the motorcycle with cold water and a mild detergent after ...

Page 87: ... paint TIP z Consult a Yamaha dealer for ad vice on what products to use z Washing rainy weather or humid climates can cause the headlight lens to fog Turning the headlight on for a short period of time will help remove the moisture from the lens EAU43204 Storage Short term Always store your motorcycle in a cool dry place and if necessary protect it against dust with a porous cover Be sure the eng...

Page 88: ...ngine over EWA10952 e Remove the spark plug cap from the spark plug and then install the spark plug and the spark plug cap 4 Lubricate all control cables and the pivoting points of all levers and pedals as well as of the side stand centerstand 5 Check and if necessary correct the tire air pressure and then lift the motorcycle so that both of its wheels are off the ground Alterna tively turn the wh...

Page 89: ...andard MA Engine oil quantity 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 20 L 0 21 US qt 0 18 Imp qt Radiator including all routes 0 49 L 0 52 US qt 0 43 Imp qt Air filter Air filter element Dry element Fuel Recommended fuel Regular unleaded gasoline only Fuel tank capacity 11 L 2 ...

Page 90: ...el Wheel type Cast wheel Rim size 17M C x MT4 0 Front brake Type Hydraulic single disc brake Specified brake fluid DOT 3 or 4 Rear brake Type Hydraulic single disc brake Specified brake fluid DOT 3 or 4 Front suspension Type Telescopic fork Spring Coil spring Shock absorber Hydraulic damper Wheel travel 130 mm 5 1 in Rear suspension Type Swingarm link suspension Spring Coil spring Shock absorber H...

Page 91: ...m indicator light LED Turn signal indicator light LED Coolant temperature warning light LED Engine trouble warning light LED Shift timing indicator light LED Fuse s Main fuse 15 0 A Accessory fuse 2 0 A Auxiliary light LED License plate light 5 0 W Rear turn signal light 10 0 W ...

Page 92: ...ION NUMBER ENGINE SERIAL NUMBER EAU26401 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 EAU26442 Engine serial number The engine serial numbe...

Page 93: ...en maintenance checks or service procedures are performed Although the sensors and recorded data will vary by model the main data points are z Vehicle status and engine perfor mance data z Fuel injection and emission relat ed data Yamaha will not disclose this data to a third party except z With the consent of the vehicle owner z Where obligated by law z For use by Yamaha in litigation z For gener...

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Yamaha R15 YZF155 2018, Owner'S Manual

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Summary of Contents for R15 YZF155 2018

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