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EAU46091 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold. EAU46091 EAU46091 Baca buku panduan dengan teliti sebelum mengendalikan motosikal ini. Buku panduan diberi bersama dengan pembelian motosikal.
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Welcome to the Yamaha world of motorcycling! As the owner of the YZF155, you are benefiting from Yamaha’s vast experience and newest technology regarding the de- sign and manufacture of high-quality products, which have earned Yamaha a reputation for dependability.
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Important manual information EAU10134 Particularly important information is distinguished in this manual by the following notations: This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
Table of contents Location of important labels... 1-1 For your safety – pre-operation Tires ..........7-17 checks ..........5-1 Cast wheels ........7-19 Safety information......2-1 Adjusting the clutch lever Further safe-riding points ....2-5 Operation and important riding free play........7-19 Helmets ..........
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Table of contents Replacing a turn signal light bulb ..........7-32 Supporting the motorcycle....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...
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. If a label becomes difficult to read or comes off, a replacement label is available from your Yamaha dealer.
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Location of important labels WARNING Before you operate this vehicle, read the owner’s manual. 100kPa=1bar kPa, psi kPa, psi 220, 36 225, 33 LOAD LIMIT Hook: 1Kg Seat Box: 1Kg Front Box: 1Kg 225, 33 250, 36...
Safety information EAU1026B Never operate a scooter without conspicuous appears to be very proper training or instruction. Take effective in reducing the chance of training course. Beginners this type of accident. Be a Responsible Owner should receive training from a cer- Therefore: As the vehicle’s owner, you are re- tified instructor.
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Safety information Many accidents involve inexperi- Always signal before turning or Protective Apparel enced operators. In fact, many op- changing lanes. Make sure that The majority of fatalities from scooter erators who have been involved in other motorists can see you. accidents are the result of head inju- accidents do not even have a cur- The posture of the operator and...
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Safety information Avoid Carbon Monoxide Poisoning Do not run engine outdoors where When loading within this weight limit, All engine exhaust contains carbon engine exhaust can be drawn into keep the following in mind: monoxide, a deadly gas. Breathing a building through openings such Cargo and accessory weight carbon monoxide can cause head- as windows and doors.
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Wind may attempt to lift the scooter, or the scooter may able only from a Yamaha dealer, have at greater risk of serious injury or been designed, tested, and approved death. You are responsible for injuries...
Safety information wet. Slow down and cross them Aftermarket Tires and Rims cation for the straps carefully so with caution. Keep the scooter up- The tires and rims that came with your the straps will not rub against right, otherwise it could slide out scooter were designed to match the painted surfaces during transport.
Safety information Correct usage EAUN0532 Helmets Types of helmets and their usage Operating this vehicle without an ap- Full-type: use only for riding at low proved motorcycle helmet increases to mid-range speeds your chances of a severe head injury or death in the event of an accident.
Instrument and control functions EAUN0264 To lock the steering Main switch/steering lock The meter lighting comes on auto- matically when the key is turned to “ ”. The fuel pump can be heard when the key is turned to “ ”.
Instrument and control functions To unlock the steering EAU61101 To close the keyhole shutter Keyhole shutter Insert the key and turn it to “ ”. Insert the keyhole shutter key into the 1. Main switch/steering lock key keyhole shutter receptacle as shown, 2.
“ ”. The warning light should come 3. Neutral indicator light “ ” curs, have a Yamaha dealer check the on for a few seconds, and then go off. 4. Shift timing indicator light self-diagnosis system. 5. Turn signal indicator light “...
7. Transmission gear display or if the indicator light remains on, have a multi-function display 8. Multi-function display a Yamaha dealer check the electrical a shift timing indicator light The multi-function meter unit can be circuit. a self diagnosis device adjusted for the brightness screen.
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Instrument and control functions The speedometer shows the vehicle’s Tachometer VVA indicator traveling speed. Fuel meter 1. VVA (variable valve actuation) indicator This model is equipped with variable 1. Tachometer 2. Tachometer red zone valve actuation (VVA) for good fuel economy and acceleration in both the 1.
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Instrument and control functions Transmission gear display The multi-function display is equipped cally changes to the fuel reserve trip- with the following: meter mode “TRIP F” and starts counting the distance traveled from an odometer two tripmeters that point. In that case, push the “SE- a fuel reserve tripmeter LECT”...
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Instrument and control functions Odometer mode The tripmeters shows the total dis- To set the clock tance traveled since they were last re- 1. Switch the display to the clock mode. set. 2. With the display in the clock To reset a tripmeter, push the “RESET” mode, push and hold the “SE- button for one second.
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Instrument and control functions To reset the average fuel consumption Average fuel consumption mode There are two display modes: “km/L” display, push and hold the “RESET” and “L/100 km” button. To switch the instantaneous fuel con- sumption display between “km/L” and “L/100 km”, push the “SELECT”...
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Instrument and control functions Flash: indicator light Shows the vehicle’s traveling speed Activation point: this function al- flashes when activated. (This lows you to select the engine since it was last reset. setting is selected when the speed at which the indicator light To reset the average speed display, is activated.
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Instrument and control functions To adjust the brightness 4. When the first character starts 1. Push the “RESET” button to select 1. Push the “RESET” button to select flashing, push the “SELECT” but- the desired engine speed for acti- the desired shift indicator light ton to change the character in the vating the indicator light.
Instrument and control functions If a problem is detected in any of those EAU1234M EAU54201 Handlebar switches Dimmer/Pass switch “ /PASS” circuits, the engine trouble warning Set this switch to “ ” for the high light will come on and the display will Left beam and to “...
Instrument and control functions EAU12872 EAU12713 EAU31642 Start switch “ ” Clutch lever Shift pedal Push this switch to crank the engine with the starter. See page 6-1 for start- ing instructions prior to starting the en- gine. EAUU1021 Hazard lights switch “ / ” The hazard lights (simultaneous flash- ing of all turn signal lights) are used in case of an emergency, such as to warn...
Instrument and control functions EAU12892 EAU12944 EAUE1481 Brake lever Brake pedal Fuel tank cap 1. Brake lever 1. Brake pedal 1. Fuel tank cap lock cover 2. Unlock. The brake lever is located on the right The brake pedal is located on the right To remove the fuel tank cap side of the handlebar.
Instrument and control functions EAU13213 Fuel The fuel tank cap cannot be installed Make sure there is sufficient gasoline in unless the key is in the lock. In addi- the tank. tion, the key cannot be removed if the EWA10882 WARNING cap is not properly installed and locked.
Instrument and control functions ately. If gasoline spills on your skin, EAU13434 ECA10702 Catalytic converter NOTICE wash with soap and water. If gaso- This model is equipped with a catalytic line spills on your clothing, change Use only unleaded gasoline. The use converter in the exhaust system.
Instrument and control functions EAU80670 2. Install the passenger seat by in- Seats stalling the nut. 3. Install the plastic cover. Passenger seat Rider seat To remove the passenger seat To remove the rider seat 1. Remove the plastic cover. 1.
Instrument and control functions EAU14326 Helmet holder 1. Projection 1. Rider seat 2. Seat holder 2. Helmet 1. Helmet holder 2. Remove the key. To release the helmet from the hel- The helmet holder is located under the met holder rider seat.
Instrument and control functions EAU37491 EAU15393 Sidestand Starting circuit cut-off system The sidestand is located on the left The starting circuit cut-off system side of the frame. Raise the sidestand (comprising the clutch switch and the or lower it with your foot while holding neutral switch) prevents starting when the vehicle upright.
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With the engine turned off: 1. Make sure that the engine stop switch is set to “ ”. If a malfunction is noted, have a Yamaha 2. Turn the key on. dealer check the system before riding. 3. Shift the transmission into the neutral position.
Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage. Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided in this manual, have the vehicle inspected by a Yamaha dealer. Before using this vehicle, check the following points: Check fuel level in fuel tank.
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Make sure that operation is smooth. Check throttle grip free play. Throttle grip 7-16, 7-25 If necessary, have Yamaha dealer adjust throttle grip free play and lubricate ca- ble end and grip housing. Make sure that operation is smooth. Control cables 7-25 Lubricate cable ends if necessary.
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For your safety – pre-operation checks Make sure that all nuts, bolts and screws are properly tightened. Chassis fasteners — Tighten if necessary. Instruments, lights, signals Check operation. — and switches Correct if necessary.
Yamaha dealer check its electrical circuit. [ECAT1121] 2. Shift the transmission into the neutral position. The neutral indi- cator light should come on. If not, ask a Yamaha dealer to check the electrical circuit. 3. Start the engine by pushing the start switch.
Operation and important riding points If the engine fails to start, release EAU16673 ECA10261 Shifting NOTICE the start switch, wait a few sec- onds, and then try again. Each Even with the transmission in starting attempt should be as the neutral position, do not short as possible to preserve the coast for long periods of time battery.
Operation and important riding points EAU17214 Parking When parking, stop the engine, and then remove the key from the main switch. EWA10312 WARNING 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.
Much can be gained from the correct use and maintenance of a motorcycle. 1. THE CUSTOMERS CAN USE THE FULLEST 2. A MOTORCYCLE CAN KEEP ITS PERFORMANCE POTENTIAL OF YAMAHA MOTORCYCLES CAPABILITY FOR A LONGER TIME Comparison of wear on engine parts (piston, piston ring, cylinder, etc.)
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Operation and important riding points 3. FUEL COST AND REPAIR EXPENSES CAN BE 4. A MOTORCYCLE CAN DEMAND A HIGH PRICE KEPT TO A MINIMUM WHEN IT IS TRADED IN AS A USED PRODUCT Fuel consumption With maintenance 100% Without maintenance Distance covered (km) Customer’s running cost...
If If you do not have the tools or experi- you are not familiar with vehicle ser- ence required for a particular job, have vice, have a Yamaha dealer perform a Yamaha dealer perform it for you. service.
The annual checks must be performed every year, except if a kilometer-based maintenance is performed in- stead. From 13000 km, repeat the maintenance intervals starting from 3000 km. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and tech- nical skills. EAUU1543...
13000 km CHECK 1 month 4 months 7 months 10 months 13 months Perform dynamic inspection us- Diagnostic system ing Yamaha diagnostic tool. check Check the error codes. Clean. Air filter element Check voltage. Battery Charge if necessary. Check operation.
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 4000 km 7000 km 10000 km 13000 km CHECK 1 month 4 months 7 months 13 months 10 months Brake fluid Wheels Check runout and for damage. Check tread depth and for dam- age.
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 4000 km 7000 km 10000 km 13000 km CHECK 1 month 4 months 7 months 13 months 10 months Make sure that all nuts, bolts and 15 * Chassis fasteners screws are properly tightened.
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 4000 km 7000 km 10000 km 13000 km CHECK 1 month 4 months 7 months 13 months 10 months Check coolant level and vehicle for coolant leakage. 25 * Cooling system Front and rear...
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Periodic maintenance and adjustment EAU18662 The air filter needs more frequent service if you are riding in unusually wet or dusty areas. Hydraulic brake service Regularly check and, if necessary, correct the brake fluid level. Every two years replace the internal components of the brake master cylinder and caliper, and change the brake fluid.
Periodic maintenance and adjustment 2. Remove the bolts, quick fasteners EAU18724 Removing and installing the and screw, and then pull the cowl- cowling and panels ing outward and take it off. The cowling and panels shown need to be removed to perform some of the maintenance jobs described in this chapter.
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Periodic maintenance and adjustment 1. Quick fastener 1. Quick fastener 1. Panel B 2. Panel A 2. Screw 2. Projection 3. Bolt 3. Panel B 3. Hole 4. Bolt 2. Install panel C. (See page 7-7.) To install the panel 3.
Periodic maintenance and adjustment EAUW2165 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.
Periodic maintenance and adjustment diagnose such problems yourself. In- To install the spark plug EAUE0453 Engine oil and oil filter ele- stead, have a Yamaha dealer check 1. Clean the surface of the spark ment the vehicle. plug gasket and its mating sur-...
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Periodic maintenance and adjustment 4. If the engine oil is below the mini- mum level mark, add sufficient oil of the recommended type to raise it to the correct level. 5. Install and tighten the oil filler cap. To change the engine oil (with or without oil filter element replace- ment) ZAUE0033...
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Periodic maintenance and adjustment Tightening torques: Recommended engine oil: Oil filter element cover bolt: See page 9-1. 10 N·m (1.0 kgf·m, 7.4 lb·ft) Oil quantity: Oil change: 0.85 L (0.90 US qt, 0.75 Imp.qt) With oil filter removal: Make sure that the O-ring is properly 0.95 L (1.00 US qt, 0.84 Imp.qt) seated.
Periodic maintenance and adjustment EAU20071 Coolant The coolant should be between the The coolant level should be checked minimum and maximum level marks. before each ride. In addition, the cool- ant must be changed at the intervals specified in the periodic maintenance and lubrication chart.
Periodic maintenance and adjustment coolant, have a Yamaha dealer EAU80700 Cleaning the air filter element check the antifreeze content of The air filter element should be cleaned the coolant as soon as possible, at the intervals specified in the periodic otherwise the effectiveness of maintenance and lubrication chart.
If the specified idling speed cannot be periodic maintenance and lubrication element installed, otherwise the obtained as described above, have a chart. piston(s) and/or cylinder(s) may Yamaha dealer make the adjustment. The engine should be warm before become excessively worn. making this adjustment.
To prevent this play, turn the adjusting nut in di- from occurring, the valve clearance rection (b). must be adjusted by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart. 1 2 (b) 1.
When a tire tread EWA10462 note the following points regarding the WARNING begins to show crosswise lines, specified wheels. have a Yamaha dealer replace The front and rear tires should be of wheel rims should the tire immediately.
Periodic maintenance and adjustment EAU22047 3. To increase the clutch lever free 6. To increase the clutch lever free Adjusting the clutch lever free play, turn the clutch lever free play play, turn the clutch lever free play play adjusting bolt in direction (a). To adjusting nut in direction (a).
EAUV0530 Checking the front and rear Checking the brake fluid level peared, have a Yamaha dealer replace brake pads Before riding, check that the brake fluid the brake pads as a set. The front and rear brake pads must be is above the minimum level mark.
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Periodic maintenance and adjustment fluid level goes down suddenly, have a Rear brake Use only the specified brake flu- Yamaha dealer check the cause before id; otherwise, the rubber seals further riding. may deteriorate, causing leak- age. Refill with the same type of brake fluid.
Periodic maintenance and adjustment EAUM1362 EAU22762 Changing the brake fluid Drive chain slack Have a Yamaha dealer change the The drive chain slack should be brake fluid at the intervals specified in checked before each ride and adjusted the periodic maintenance and lubrica- if necessary.
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Periodic maintenance and adjustment 4. Make sure that the drive chain Using the alignment marks on each pullers are in the same position, side of the swingarm, make sure that the drive chain slack is correct, both drive chain pullers are in the same drive chain moves...
Periodic maintenance and adjustment EAU44276 EAU23144 Checking and lubricating the Recommended lubricant: Checking and lubricating the Lithium-soap-based grease brake and shift pedals brake and clutch levers The operation of the brake and shift The operation of the brake and clutch pedals should be checked before each levers should be checked before each ride, and the pedal pivots should be lu-...
EWA10732 WARNING 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.
[EWA10752] tion. WARNING! To avoid injury, 2. Hold the lower ends of the front have a Yamaha dealer check or re- securely support the vehicle so fork legs and try to move them for- pair it.
Avoid any contact with To charge the battery skin, eyes or clothing and al- Have a Yamaha dealer charge the bat- ways shield your eyes when tery as soon as possible if it seems to working near batteries. In case have discharged.
4. If the fuse immediately blows necting the positive lead. [ECA16304] again, have a Yamaha dealer 2. If the battery will be stored for check the electrical system. more than two months, check it at 1. Main fuse least once a month and fully 2.
If a headlight does not come on, have If an auxiliary light does not come on, If the tail/brake light does not come on, a Yamaha dealer check its electrical have a Yamaha dealer check it. have a Yamaha dealer check it.
Periodic maintenance and adjustment EAU24361 EAU24205 EAU24351 Front wheel Replacing a turn signal light Supporting the motorcycle bulb Since this model is not equipped with a EAUN0582 centerstand, follow these precautions 1. Remove the turn signal light lens when removing the front and rear by removing the screw.
Periodic maintenance and adjustment 3. Remove the brake hose holder by To install the front wheel EAU25081 Rear wheel removing the bolt. 1. Lift the wheel up between the fork 4. Remove the brake caliper by re- legs. EAU80711 moving the bolts. 2.
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Periodic maintenance and adjustment 6. Fully loosen the drive chain slack 9. While supporting the brake caliper adjuster locknut on each side of bracket, pull the wheel axle out the swingarm. along with the washer and chain 7. Turn the drive chain slack adjust- puller, and then remove the wheel.
However, should your motorcycle require any repair, take it to a Yamaha 1. Retainer dealer, whose skilled technicians have 2. Slot the necessary tools, experience, and 2.
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Periodic maintenance and adjustment EWA15142 WARNING 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.
Remove the spark plug and check the electrodes. The engine does not start. Have a Yamaha dealer check the vehicle. Check the compression. 4. Compression The engine does not start. There is compression.
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Start the engine. If the engine overheats again, have a The coolant level Yamaha dealer check and repair the cooling system. is OK. 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.
Be ECA10773 even if high-quality components are NOTICE sure to consult a Yamaha dealer for used. A rusty exhaust pipe may go un- advice on what products to use be- Avoid using strong acidic wheel noticed on a car, however, it detracts fore cleaning the vehicle.
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Motorcycle care and storage off any detergent residue using leave scratches on the wind- 2. Apply a corrosion protection spray plenty of water, as it is harmful shield. Test the product on a on all metal, including chrome- to plastic parts. small hidden part of the wind- and nickel-plated, surfaces to pre- Do not use any harsh chemical...
Contaminants on the brakes or tires dry place and, if necessary, protect it can cause loss of control. Consult a Yamaha dealer for ad- against dust with a porous cover. Be Make sure that there is no oil or vice on what products to use.
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Motorcycle care and storage 2. Fill up the fuel tank and add fuel e. Remove the spark plug cap stabilizer (if available) to prevent from the spark plug, and then Make any necessary repairs before the fuel tank from rusting and the install the spark plug and the storing the motorcycle.
Record the vehicle identification num- ber and the engine serial number in the spaces provided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the vehicle is stolen. VEHICLE IDENTIFICATION NUMBER: 1. Vehicle identification number 1.
Vehicle status and engine perfor- mance data Fuel-injection and emission-relat- ed data Yamaha will not disclose this data to a third party except: With the consent of the vehicle owner Where obligated by law For use by Yamaha in litigation...