Yamaha MT-15 Owner'S Manual Download

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Perio

ic maintenance an

justment

7-27

EAU23144

Checkin

ricatin

the

rake an

clutch levers

The operation of the brake and clutch
levers should be checked before each
ride, and the lever pivots should be lu-
bricated if necessary.

Brake lever

Clutch lever

Recommen

ricant:

Lithium-soap-based grease

Recommen

ricants:

Brake lever:

Silicone grease

Clutch lever:

Lithium-soap-based grease

UB7DE0E0.book Page 27 Tuesday, September 18, 2018 3:25 PM

Summary of Contents for MT-15

Page 1: ...DIC183 MTN155 OWNER S MANUAL Read this manual carefully before operating this vehicle B7D F8199 E0 English E ...

Page 2: ...EAU46094 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold UB7DE0E0 book Page 1 Tuesday September 18 2018 3 25 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 pr...

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: ... by Thai Yamaha Motor Co Ltd 1st edition October 2018 All rights reserved Any reprinting or unauthorized use without the written permission of Thai Yamaha Motor Co Ltd is expressly prohibited Printed in Thailand UB7DE0E0 book Page 2 Tuesday September 18 2018 3 25 PM ...

Page 6: ...ol system 7 2 General maintenance and lubrication chart 7 4 Removing and installing cowlings 7 8 Checking the spark plug 7 8 Canister 7 10 Engine oil and oil filter element 7 10 Why Yamalube 7 13 Coolant 7 13 Air filter element and check hose 7 14 Adjusting the engine idling speed 7 15 Adjusting the throttle grip free play 7 16 Valve clearance 7 16 Tires 7 17 Cast wheels 7 18 Adjusting the clutch ...

Page 7: ...porting the motorcycle 7 32 Front wheel 7 33 Rear wheel 7 34 Troubleshooting 7 35 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 UB7DE0E0 book Page 2 Tuesday September 18 2018 3 25 PM ...

Page 8: ...hicle 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 1 2 UB7DE0E0 book Page 1 Tuesday September 18 2018 3 25 PM ...

Page 9: ...Location of important labels 1 2 1 100kPa 1bar kPa psi kPa psi 225 33 250 36 225 33 250 36 BJ2 F1668 00 2 1 2PL F1568 01 UB7DE0E0 book Page 2 Tuesday September 18 2018 3 25 PM ...

Page 10: ...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 5 1 for a list of pre operation checks z This motorcycle is designed to carry the operator and a passen ger z The failure of motorists to detect and re...

Page 11: ...tain control of the motorcycle 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 z Never ride under the influence of alcohol or other drugs z This motorcycle is designed for on road use only It is not su...

Page 12: ...ycle is changed To avoid the possibility of an accident use extreme caution when adding cargo or accessories to your motorcycle Use extra care when riding a motorcycle that 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 ...

Page 13: ...ange any of the vehicle s design or operation characteristics can put you and others at greater risk of serious injury or death You are responsible for injuries related to changes in the vehicle Keep the following guidelines in mind as well as those provided under Load ing when mounting accessories z Never install accessories or carry cargo that would impair the per formance of your motorcycle Car...

Page 14: ...e attached to solid parts of the mo torcycle such as the frame or up per front fork triple clamp and not 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 z The suspension should be com pressed somewhat by the tie downs if possible so that the mo torcyc...

Page 15: ...e 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 z The helmet must meet the safety standard TIS z The helmet size must match the size of the rider s head z Never subject a ...

Page 16: ...Safety information 2 7 2 z Full face type use for riding at mid range to high speeds ZAUU0005 ZAUU0006 UB7DE0E0 book Page 7 Tuesday September 18 2018 3 25 PM ...

Page 17: ... 1 Headlight page 7 32 2 Auxiliary light 3 Fuel tank cap page 4 13 4 Air filter page 7 14 5 Battery page 7 30 6 Fuse page 7 31 7 Owner s tool kit page 7 1 8 Sidestand page 4 17 9 Shift pedal page 4 12 UB7DE0E0 book Page 1 Tuesday September 18 2018 3 25 PM ...

Page 18: ...page 7 32 2 Tail brake light 3 Front brake fluid reservoir page 7 22 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 22 UB7DE0E0 book Page 2 Tuesday September 18 2018 3 25 PM ...

Page 19: ...utch 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 UB7DE0E0 book Page 3 Tuesday September 18 2018 3 25 PM ...

Page 20: ...el is equipped with a fuel pump When the vehicle is first turned on a noise from the fuel pump can be heard but this is not a malfunction 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 EAUP0052 LO...

Page 21: ...utter key into the keyhole 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 1 2 UB7DE0E0 book Page 2 Tuesday September 18 2018 3 25 PM ...

Page 22: ...ome on or if the light remains on have a Yamaha dealer check the vehicle NOTICE ECA10022 Do not continue to operate the en gine if it is overheating EAU73172 Engine trouble warning light This warning light comes on if a prob lem is detected in the engine or other vehicle control system If this occurs have a Yamaha dealer check the on board diagnostic system TIP When the vehicle is turned on the li...

Page 23: ...screen can be adjusted Speedometer The speedometer shows the vehicle s traveling speed Fuel meter The fuel meter indicates the amount of fuel in the fuel tank The display seg ments of the fuel meter disappear from F full towards E empty as the fuel level decreases When the last seg ment start flashing refuel as soon as possible When the main switch is turned on all of the segments of the fuel mete...

Page 24: ... or downhill or when turning may lead to the engine not getting any fuel resulting in engine stop 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 shows the engine ...

Page 25: ...m average fuel consumption mode AVE_ _ _ km L or AVE_ _ _ L 100 km and average speed mode AVE_ _ _ km h in the following order ODO TRIP 1 TRIP 2 TRIP F when low on fuel CLOCK km L or L 100 km AVE_ _ _ km L or AVE_ _ _ L 100 km AVE_ _ _ km h ODO TIP z Push the RESET button to switch the display in the reverse order z If the last segment of the fuel me ter starts flashing the display au tomatically ...

Page 26: ...nd begin counting again after 9999 9 is reached 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 butt...

Page 27: ...stimate the distance that can be traveled on the current tank of fuel Average fuel consumption mode This shows the average fuel consump tion since it was last reset There are two display modes AVE_ _ _ km L and AVE_ _ _ L 100 km To switch the average fuel consumption units push the SELECT button for one sec ond To reset the average fuel con sumption display push and hold the RESET button z AVE_ _ ...

Page 28: ...ton after five seconds After that push the SELECT button again The multi function meter unit will enter the shift light control mode To set the flashing pattern 1 Push the RESET button to select one of the following flashing pat tern settings z On the shift light will come on continuously when activated This setting is selected when the shift light stays on z Flash the shift light will flash when ...

Page 29: ...elect the desired shift light brightness level 2 Push the SELECT button to con firm the selected brightness level 3 The display exits the shift light control mode and returns to the standard multi function display mode Welcome screen control mode The welcome screen greets you when the main switch is turned on Hi Bud dy and when the main switch is turned off see you The user name Buddy is set as th...

Page 30: ...push the switch down towards PASS 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 center position EAU12501 Horn switch Press this switch to sound the...

Page 31: ...e 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 part of the start ing circuit cut off system See page 4 18 EAU12876 Shift pedal The shift pedal is located on the left side of the motorcycle To shift the transmission to a higher gear move the shift pedal up To shift the trans mis...

Page 32: ...1 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 re move it 3 Close the loc...

Page 33: ...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 34: ...e damage to the fuel system or vehicle performance problems EAU13434 Catalytic converter This model is equipped with a catalytic converter in the exhaust system WARNING EWA10863 The exhaust system is hot after op eration To prevent a fire hazard 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 pedest...

Page 35: ...seat lock and then turn the key counterclockwise 2 While holding the key in that posi tion lift the rear of the seat up and then pull the seat off To install the seat 1 Insert the projections into the seat holders as shown 2 Push the rear of the seat down to lock it in place 3 Remove the key TIP Make sure that the seat is properly se cured before riding 1 Seat lock cover 2 Seat lock 3 Turn 1 2 3 U...

Page 36: ...lease the helmet from the hel met holder Remove the rider seat remove the hel met from the helmet holder and then install the seat 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 vehicle must not be ridden with the sidestand down or if the side stand cannot be properly mo...

Page 37: ...s in gear engine starts unless the clutch lever is pulled Periodically check the system via the following procedure TIP z This check is most reliable if per formed with a warmed up engine z See pages 4 1 and 4 11 for switch operation information UB7DE0E0 book Page 18 Tuesday September 18 2018 3 25 PM ...

Page 38: ...ehicle should not be ridden 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 correctly The vehicle should not be ridden NO YES The system is OK The motorcycle can be ridden YES NO If a malfunction is noted have the vehicle inspected by a Yamaha dealer ...

Page 39: ... 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 14 Engine oil Check oil level in engine If necessary add recommended oil to specified level Check vehicle for oil leakage 7 10 Coolant Check coolant level in reservoir If necessary add recommended coolant to specified level Check cooling...

Page 40: ...free play and lubricate ca ble end and grip housing 7 16 7 26 Control cables Make sure that operation is smooth Lubricate cable ends if necessary 7 26 Drive chain Check chain slack Adjust if necessary Check chain condition Lubricate if necessary 7 23 7 25 Wheels and tires Check for damage Check tire condition and tread depth Check air pressure Correct if necessary 7 17 7 18 Brake and shift pedals ...

Page 41: ...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 UB7DE0E0 book Page 3 Tuesday September 18 2018 3 25 PM ...

Page 42: ...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 ON and make sure that the start engine stop switch is set to The engine trouble warning light should come on for a few sec onds then go off NOTICE If the w...

Page 43: ...ft 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 running ...

Page 44: ...ial carefully 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 mi...

Page 45: ...xhaust system 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 UB7DE0E0 book Page 4 Tuesday September 18 2018 3 25 PM ...

Page 46: ...ice WARNING 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 ...

Page 47: ...stem NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING whichever comes first ANNUAL CHECK 1000 km or 2 months 4000 km or 6 months 8000 km or 10 months 12000 km or 14 months 16000 km or 18 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 Valv...

Page 48: ...ntrol system for dam age Replace if necessary NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING whichever comes first ANNUAL CHECK 1000 km or 2 months 4000 km or 6 months 8000 km or 10 months 12000 km or 14 months 16000 km or 18 months UB7DE0E0 book Page 3 Tuesday September 18 2018 3 25 PM ...

Page 49: ...t Clean Replace Every 12000 km 7500 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 worn to the limit 8 Brake hose Check f...

Page 50: ...600 mi and after washing the motorcycle riding in the rain or riding in wet areas 15 Steering bearings Check bearing play and steering for roughness Lubricate with lithium soap based grease Every 24000 km 14000 mi 16 Chassis fasteners Make sure that all nuts bolts and screws are properly tightened 17 Brake lever pivot shaft Lubricate with silicone grease 18 Brake pedal pivot shaft Lubricate with l...

Page 51: ...b sorber for oil leakage 24 Engine oil Change Check oil level and vehicle for oil leakage 25 Engine oil filter ele ment Replace 26 Cooling system Check coolant level and vehicle for coolant leakage Change coolant Every 3 years 27 Front and rear brake switches Check operation 28 Moving parts and cables Lubricate NO ITEM CHECK OR MAINTENANCE JOB ODOMETER READING whichever comes first ANNUAL CHECK 10...

Page 52: ... and change the brake fluid Replace the brake hoses every four years and if cracked or damaged 29 Throttle grip Check operation Check throttle grip free play and adjust if necessary Lubricate cable and grip housing 30 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 2 months 4000 km or ...

Page 53: ...hen install the bolts EAU19614 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 main tenance and lubrication chart In addi tion the condition of the spark plug can reveal the condition of the engine To remove th...

Page 54: ...ire thickness gauge and if nec essary adjust the gap to specifi cation To install the spark plug 1 Clean the surface of the spark plug gasket and its mating sur face and then wipe off any grime from the spark plug threads 2 Install the spark plug with the spark plug wrench and then tight en it to the specified torque TIP If a torque wrench is not available when installing a spark plug a good estim...

Page 55: ...ic 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 dipstick clean insert it back into the oil filler ...

Page 56: ...ompression 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 replaced 5 Remove the oil filter element cover by removing the bolt...

Page 57: ...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 10 Start the engine and then let it idle for several minutes while checking it for oil leakage If oil is leaking immed...

Page 58: ...ube the best choice for your Yamaha engine EAU20071 Coolant The coolant level should be checked before each ride In addition the cool ant must be changed at the intervals specified in the periodic maintenance and lubrication chart EAU80890 To check the coolant level 1 Place the vehicle on a level sur face 2 Remove cowling A See page 7 8 3 Hold the vehicle in an upright po sition TIP z The coolant ...

Page 59: ... be reduced ECA10473 7 Install the cowling 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 ...

Page 60: ...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 61: ...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 62: ...t 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 inspection The tires must be checked before each ride If a tire tread shows crosswise lines minimum tread depth if the tire has a nail or glass frag...

Page 63: ...e 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 EAU21963 Cast wheels To maximize the performance durabil ity and safe operation of your vehicle note the following poin...

Page 64: ...ribed 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 the lockn...

Page 65: ...hich 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 ...

Page 66: ...ear 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 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 ind...

Page 67: ...y deteriorate causing leak age 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 plast...

Page 68: ...aced 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 EAU74253 To check the drive chain slack 1 Place the motorcycle on the side stand TIP When checking and adjusting the drive chain slack there should be no weight on the motorcycle 2 Shift the transmission into the neutral position ...

Page 69: ...hain turn the adjusting bolt on each side of the swingarm in di rection b and then push the rear wheel forward NOTICE 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 ...

Page 70: ... 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 soap water to remove the accumulated dust mud and then dry off 2 Apply the cleaning spray on all the links and plates of chain then wipe the chain NOTICE To pre vent damaging the O rings do not clean the...

Page 71: ...d be checked before each ride In addition the cable end should be lubri cated by a Yamaha dealer at the inter vals 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 cover is installed correctly it does not completely protect the cable from wa ter entry Therefore use care not to pour water di...

Page 72: ...ke and clutch levers should be checked before each ride and the lever pivots should be lu bricated if necessary Brake lever Clutch lever Recommended lubricant Lithium soap based grease Recommended lubricants Brake lever Silicone grease Clutch lever Lithium soap based grease UB7DE0E0 book Page 27 Tuesday September 18 2018 3 25 PM ...

Page 73: ...periodic maintenance and lubrication chart 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 and excessive oil leakage To check the operation 1 Place the vehicle on a level sur face and hold it in an u...

Page 74: ...und See page 7 32 WARNING To avoid injury se curely support the vehicle so there is no danger of it falling over EWA10752 2 Hold the lower ends of the front fork legs and try to move them for ward and backward If any free play can be felt have a Yamaha dealer check or repair the steer ing EAU23292 Checking the wheel bearings The front and rear wheel bearings must be checked at the intervals specif...

Page 75: ...HIS 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 battery tends to discharge more quick ly if the vehicle is equipped with op tional electrical accessorie...

Page 76: ...e is blown replace it as follows 1 Turn the main switch off and turn off the electrical circuit in ques tion 2 Remove the blown fuse and then install a new fuse of the specified amperage WARNING Do not use a fuse of a higher amperage rating than recommended to avoid causing extensive dam age to the electrical system and possibly a fire EWA15132 3 Turn the main switch on and turn on the electrical ...

Page 77: ...A11192 EAU24351 Supporting the motorcycle Since this model is not equipped with a centerstand follow these precautions when removing the front and rear wheel or performing other mainte nance requiring the motorcycle to stand upright Check that the motorcy cle is in a stable and level position be fore starting any maintenance A strong wooden box can be placed un der the engine for added stability T...

Page 78: ...he front wheel off the ground according to the procedure in the previous section Supporting the motorcycle 3 Remove the brake hose holder by removing the bolt 4 Remove the brake caliper by re moving the bolts 5 Remove the front wheel axle nut 6 Pull the wheel axle out and then remove the wheel NOTICE Do not apply the brake after the brake calipers have been re moved otherwise the brake pads will b...

Page 79: ...y support the vehicle so there is no danger of it falling over 1 Loosen the locknut and drive chain slack adjusting bolt on each side of the swingarm 2 Loosen the axle nut 3 Raise the vehicle so the rear wheel is off the ground 4 Remove the axle nut 5 Push the wheel forward and then remove the drive chain from the rear sprocket TIP z If the drive chain is difficult to re move remove the wheel axle...

Page 80: ...AU25872 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 quick and easy procedures for checking these vital systems your self However should your moto...

Page 81: ...dic maintenance and adjustment 7 36 7 heaters or furnaces Gasoline or gasoline vapors can ignite or ex plode causing severe injury or prop erty damage UB7DE0E0 book Page 36 Tuesday September 18 2018 3 25 PM ...

Page 82: ... 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 slowly The battery is good Dry We...

Page 83: ...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 coolant level is low Check t...

Page 84: ...t 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 chain and wheel axles Always ri...

Page 85: ...thoroughly with clean water Use 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 wate...

Page 86: ...e 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 en...

Page 87: ...engine 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 w...

Page 88: ...5 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 15 L 0 16 US qt 0 13 Imp qt Radiator including all routes 0 49 L 0 52 US qt 0 43 Imp qt Fuel Recommended fuel Regular unleaded gasoline Gasohol E10 acceptable Fuel tank capacity 10 L 2 6 US gal 2 2 Imp gal Fuel reserve amount 2 2 L 0 58 US gal 0 48 Imp gal Fuel injection...

Page 89: ... Rear suspension Type Swingarm link suspension Electrical system System voltage 12 V Battery Model YTZ4V Voltage capacity 12 V 3 0 Ah 10 HR Bulb wattage Headlight LED Brake tail light LED Front turn signal light 10 0 W Rear turn signal light 10 0 W Auxiliary light LED License plate light 5 0 W UB7DE0E0 book Page 2 Tuesday September 18 2018 3 25 PM ...

Page 90: ...MBER 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 number is stamped into the crank...

Page 91: ...rvice 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 general Yamaha conducted researc...

Page 92: ... 13 Fuses replacing 7 31 H Handlebar switches 4 11 Helmet holder 4 17 Helmets 2 6 High beam indicator light 4 3 Horn switch 4 11 I Identification numbers 10 1 Indicator lights and warning lights 4 3 K Keyhole shutter 4 2 L Labels location 1 1 M Main switch steering lock 4 1 Maintenance and lubrication periodic 7 4 Maintenance emission control system 7 2 Matte color caution 8 1 Multi function meter...

Page 93: ...1 2 11 Vehicle identification number 10 1 Vehicle lights 7 32 W Wheel bearings checking 7 29 Wheel front 7 33 Wheel rear 7 34 Wheels 7 18 Y Yamalube 7 13 UB7DE0E0 book Page 2 Tuesday September 18 2018 3 25 PM ...

Page 94: ...DIC183 PRINTED IN THAILAND 2018 10 E ...

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Yamaha MT-15, Owner'S Manual

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Summary of Contents for MT-15

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