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Read this manual carefully before operating this vehicle. OWNER’S MANUAL YZF155 BNC-F8199-EY...
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EAU46094 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
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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 Seats ..........5-16 Air filter element and Helmet holders......5-18 check hose ........ 8-13 Safety information......2-1 Rear view mirrors ......5-19 Checking the engine idling Further safe-riding points ....2-5 Sidestand ........5-19 speed ........8-14 Helmets ..........
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Table of contents Lubricating the swingarm pivots ...8-26 Checking the front fork....8-26 Checking the steering ....8-27 Checking the wheel bearings ..8-27 Battery ...........8-28 Replacing the fuses.......8-29 Vehicle lights .........8-30 Replacing a turn signal light bulb ........8-30 Replacing a license plate light bulb ........8-30 Supporting the motorcycle....8-31 Front wheel........8-31...
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.
Safety information Never operate a motorcycle with- EAU1028C pears to be very effective in reduc- out proper training or instruction. ing the chance of this type of Take a training course. Beginners 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 motorcy- erators who have been involved in other motorists can see you. cle accidents are the result of head in- ...
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Safety information Do not run engine outdoors where Avoid Carbon Monoxide Poisoning When loading within this weight limit, All engine exhaust contains carbon engine exhaust can be drawn into keep the following in mind: Cargo and accessory weight monoxide, a deadly gas.
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Yamaha accessories, which are avail- performed to your vehicle that change lightweight as possible and able only from a Yamaha dealer, have any of the vehicle’s design or operation should be kept to a minimum. been designed, tested, and approved characteristics can put you and others •...
Safety information Remove all loose items from the operator and may limit control EAU57610 Further safe-riding points ability, therefore, such accesso- motorcycle. Be sure to signal clearly when Check that the fuel cock (if ries are not recommended. making turns.
Safety information Always wear a helmet, gloves, EAUU0033 Correct usage Helmets trousers (tapered around the cuff Operating this vehicle without an ap- and ankle so they do not flap), and proved motorcycle helmet increases a brightly colored jacket. your chances of a severe head injury or ...
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Safety information Full-face-type: use for riding at Types of helmets and their usage Half-type: use only for riding at low mid-range to high speeds speeds ZAUU0006 ZAUU0004 Full-type: use only for riding at low to mid-range speeds ZAUU0005...
Bluetooth radio waves or other electro- are momentarily adjusted to allow the wireless technology and the Yamaha magnetic noise. upshift to occur. Motorcycle Connect smartphone app. At facilities nearby that are...
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If more than one phone has been 4. When pairing is complete, the Yamaha Motorcycle Connect icon registered in the CCU, then the Yamaha Motorcycle Connect may not and smartphone battery level me- first phone within reach will be work on all smartphone models and ter will come on.
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. Keyhole shutter key keyhole shutter receptacle as shown, 2.
11.Smartphone battery level meter hicle off. vehicle. 12.Yamaha Motorcycle Connect icon Notifications must be setup for 13.Multi-function display each application on the connect- This function works only when the EWA12423 ed smartphone in advance.
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Instrument and control functions EAUN2862 onds. Otherwise have a Yamaha dealer EAU87180 Yamaha Motorcycle Connect icon Tachometer check the CCU and the electrical cir- This icon comes on when CCU and cuit. smartphone are connected via the Yamaha Motorcycle Connect app.
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Instrument and control functions EAU87220 EAU87370 EAU87391 Fuel meter VVA indicator Transmission gear display 1. Fuel meter 1. VVA (variable valve actuation) indicator 1. Neutral indicator light “ ” 2. Transmission gear display The fuel meter indicates the amount of This model is equipped with variable This display shows the selected gear.
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Instrument and control functions EAUN3611 Navigating the multi-function dis- EAU86890 Multi-function display Odometer play Use the “SELECT” button to cycle the multi-function display in the following order: ODO TRIP 1 TRIP 2 TRIP F (when low on fuel) CLOCK km/L or L/100 km ...
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Instrument and control functions EAU88050 EAUN3621 6. Push the “SELECT” button to con- Tripmeters Clock firm. When the CCU and a smartphone con- nect with the vehicle power on, the clock automatically syncs with the phone. EAUN3631 Instantaneous fuel consumption display 1.
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Instrument and control functions “km/L”: The distance that can be This shows the average fuel consump- EAU87881 Average speed display traveled on 1.0 L of fuel under the tion since it was last reset. To switch current riding conditions. the average fuel consumption units, ...
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Instrument and control functions EAUN3651 EAU87971 4. Use the “RESET” button to select Coolant temperature warning Display brightness and shift light the desired brightness level. control mode 5. Push the “SELECT” button to con- firm the selected brightness level and change to the shift light on / flash / off setting function.
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Instrument and control functions To set the shift light on r/min To adjust the shift light brightness 4. When the first character starts The shift light can be set between 9000 1. Use the “RESET” button to select flashing, push the “SELECT” but- r/min and 13000 r/min in increments of the desired shift light brightness ton to change the character to the...
Instrument and control functions EAU1234R EAU54203 EAU12713 Handlebar switches Dimmer/Pass switch “ /PASS” Start switch “ ” Set this switch to “ ” for the high Push this switch to crank the engine Left beam and to “ ” for the low beam. with the starter.
Instrument and control functions EAU31642 EAU12876 EAUN3570 Clutch lever Shift pedal Quick shifter The quick shifter allows for full-throttle, clutch lever-less, electronically-assist- ed upshifts. When the shift switch de- tects motion in the shift pedal (page 5-13), engine power and drive torque are momentarily adjusted to allow the upshift to occur.
Instrument and control functions EAU12892 EAU12944 EAUE1482 Brake lever Brake pedal Fuel tank cap ZAUE4470 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 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, EAU13435 EAU83851 Catalytic converter Seats wash with soap and water. If gaso- The exhaust system contains catalytic line spills on your clothing, change converter(s) to reduce harmful exhaust Passenger seat your clothes.
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Instrument and control functions 2. Remove the key. Rider seat To remove the rider seat 1. Remove the passenger seat, and then remove the hexagon wrench located on the bottom of the seat. ZAUE4542 1. Passenger seat 1. Hexagon wrench 2.
Instrument and control functions To install the rider seat EAU62930 Helmet holders 1. Fit the slot in the seat onto the pro- jection on the frame cross mem- ber as shown, and then place the seat in the original position. 1.
Instrument and control functions EAU39672 EAU37491 Rear view mirrors Sidestand The rear view mirrors of this vehicle The sidestand is located on the left can be folded forward or backward for side of the frame. Raise the sidestand parking in narrow spaces. Fold the mir- or lower it with your foot while holding rors back to their original position be- the vehicle upright.
Instrument and control functions EAUN3700 Starting circuit cut-off system This system prevents in-gear engine starts unless the clutch lever is pulled. Periodically check the system via the following procedure. This check is most reliable if per- formed with a warmed-up engine. ...
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Does the engine start? The neutral switch may not be working. The vehicle should not be ridden until checked by a Yamaha dealer. 5. Stop the engine. 6. Set engine stop switch to “ ” position. 7. Shift transmission into gear.
• If necessary, add recommended coolant to specified level. 8-12 Coolant • Check cooling system for leakage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hydraulic system. • Check brake pads for wear. Front brake • Replace if necessary. 8-19, 8-20 •...
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• Make sure that operation is smooth. • Check throttle grip free play. Throttle grip 8-14, 8-24 • 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 8-24 •...
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For your safety – pre-operation checks ITEM CHECKS PAGE • 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.
NOTICE there is a control or function you do not between 0 and 1600 km (1000 mi). For understand, ask your Yamaha dealer. this reason, you should read the fol- Keep the engine speed out of lowing material carefully.
ECA24110 NOTICE If a warning or indicator light does not work as described above, have a Yamaha dealer check the vehicle. 3. Shift the transmission into the neutral position. 4. Start the engine by pushing the start switch.
Operation and important riding points EAU84372 ECA22523 EAU16811 Shifting Tips for reducing fuel con- NOTICE sumption When shifting, press the shift Fuel consumption depends largely on pedal firmly until you feel the your riding style. Consider the follow- gear shift is complete. ing tips to reduce fuel consumption: ...
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.
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 your 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 20000 km, repeat the maintenance intervals starting from 4000 km. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and tech- nical skills. EAUU1294...
10 months 14 months 18 months • Perform dynamic inspection us- Diagnostic system ing Yamaha diagnostic tool. check • Check the error codes. • Clean. Air filter element • Replace.
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Periodic maintenance and adjustment ODOMETER READING (whichever comes first) ANNUAL 1000 km 4000 km 8000 km 12000 km 16000 km ITEM CHECK OR MAINTENANCE JOB CHECK 2 months 6 months 10 months 14 months 18 months • Check tread depth and for dam- age.
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Periodic maintenance and adjustment ODOMETER READING (whichever comes first) ANNUAL 1000 km 4000 km 8000 km 12000 km 16000 km ITEM CHECK OR MAINTENANCE JOB CHECK 2 months 6 months 10 months 14 months 18 months Clutch lever pivot ...
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Periodic maintenance and adjustment ODOMETER READING (whichever comes first) ANNUAL 1000 km 4000 km 8000 km 12000 km 16000 km ITEM CHECK OR MAINTENANCE JOB CHECK 2 months 6 months 10 months 14 months 18 months • Check operation. • Check throttle grip free play, and ...
Periodic maintenance and adjustment EAUE4730 To install the cowling Removing and installing the Place the cowling in the original posi- cowling tion, then install the quick fasteners The cowling shown needs to be re- and screws. moved to perform some of the mainte- nance jobs described in this chapter.
Do not Clean the surface of the spark plug attempt to diagnose such problems gasket and its mating surface, and yourself. Instead, have a Yamaha deal- then wipe off any grime from the spark er check the vehicle. plug threads.
Periodic maintenance and adjustment EAUE0453 4. If the engine oil is below the mini- Engine oil and oil filter ele- mum level mark, add sufficient oil ment of the recommended type to raise The engine oil level should be checked it to the correct level.
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Periodic maintenance and adjustment 7. Install the oil filter element cover by installing the bolts, then tight- ening them to the specified torque. Tightening torques: Oil filter element cover bolt: 10 N·m (1.0 kgf·m, 7.4 lb·ft) ZAUE4552 ZAUE4553 1. Engine oil drain bolt 1.
EAU85450 Why Yamalube the recommended engine oil, and for several minutes while checking YAMALUBE oil is a Genuine YAMAHA then install and tighten the oil filler it for oil leakage. If oil is leaking, Part born of the engineers’ passion cap.
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.
The air filter element should be cleaned otherwise the effectiveness of or replaced by a Yamaha dealer at the the coolant will be reduced. intervals specified in the periodic main- [ECA10473] tenance chart. Have the air filter ele-...
Measure the throttle grip free play as decrease the throttle grip free necessary, have it corrected by a shown. play, turn the adjusting nut in di- Yamaha dealer. rection (b). Engine idling speed: 1300–1500 r/min 1. Throttle grip free play ZAUE4481 1.
2 persons: To prevent this from occurring, have Front: your Yamaha dealer check and adjust Tire air pressure 225 kPa (2.25 kgf/cm2, 33 psi) Rear: the valve clearance at regular intervals. The tire air pressure should be 250 kPa (2.50 kgf/cm2, 36 psi)
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When a tire tread EWA10462 WARNING begins to show crosswise lines, have a Yamaha dealer replace The front and rear tires should be of the tire immediately. the same make and design, other- The replacement of all wheel...
If any damage is found, have skip steps 4–7. a Yamaha dealer replace the wheel. Do not attempt even the 4. Fully turn the adjusting bolt at the smallest repair to the wheel. A de-...
1. Front brake lever There should be no free play at the brake lever end. If there is free play, have a Yamaha dealer inspect the brake system. EWA14212 WARNING A soft or spongy feeling in the brake lever can indicate the presence of air in the hydraulic system.
The front brake light switch should be The brake light is activated by switches brake pads serviced by a Yamaha dealer. connected to the brake lever and brake The front and rear brake pads must be pedal. Check that the brake light...
EAUV0530 Rear brake Checking the brake fluid level peared, have a Yamaha dealer replace Before riding, check that the brake fluid the brake pads as a set. is above the minimum level mark. Check the brake fluid level with the top...
EAUM1362 Changing the brake fluid id; otherwise, the rubber seals Yamaha dealer check the cause before Have a Yamaha dealer change the may deteriorate, causing leak- further riding. brake fluid at the intervals specified in age.
2. Shift the transmission into the To adjust the drive chain slack rection (a). To loosen the drive neutral position. Consult a Yamaha dealer before ad- chain, turn the adjusting bolt on 3. Measure the drive chain slack as justing the drive chain slack.
Periodic maintenance and adjustment EAUE0141 3. Thoroughly lubricate the drive Cleaning and lubricating the chain with a special O-ring chain drive chain lubricant. The drive chain must be cleaned and lubricated at the intervals specified in the periodic maintenance and lubrica- tion chart, otherwise it will quickly wear out, especially when riding in dusty or wet areas.
Periodic maintenance and adjustment EAU23144 Recommended lubricant: Recommended lubricants: Checking and lubricating the Lithium-soap-based grease Brake lever: brake and clutch levers Silicone grease The operation of the brake and clutch Clutch lever: Lithium-soap-based grease levers should be checked before each ride, and the lever pivots should be lu- bricated if necessary.
The swingarm pivots must be lubricat- face and hold it in an upright posi- be checked before each ride, and the ed by a Yamaha dealer at the intervals tion. WARNING! To avoid injury, sidestand pivot and metal-to-metal specified in the periodic maintenance...
[EWA10752] the periodic maintenance and lubrica- 2. Hold the lower ends of the front have a Yamaha dealer check or re- tion chart. If there is play in the wheel fork legs and try to move them for- pair it.
In case To charge the battery Battery of contact, administer the fol- Have your Yamaha dealer charge the lowing FIRST AID. battery if it seems to have discharged. • EXTERNAL: Flush with plenty Keep in mind that the battery tends to of water.
4. After installation, make sure that to check if the device operates. the battery leads are properly con- 4. If the fuse immediately blows nected to the battery terminals. again, have a Yamaha dealer ECA16531 check the electrical system. NOTICE 1. Main fuse Always keep the battery charged.
1. Remove the screw. brake/tail light. If a light does not come by removing the screw. on, check the fuse and then have a Yamaha dealer check the vehicle. ZAUE4502 1. Screw 1. Turn signal light lens 2. Remove the license plate light 2.
Periodic maintenance and adjustment 3. Remove the burnt-out bulb by EAU67131 EAU24361 Supporting the motorcycle Front wheel pulling it out. EAUN0582 To remove the front wheel EWA10822 WARNING To avoid injury, securely support the vehicle so there is no danger of it falling over.
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 The drive chain does not need to 5. Remove the axle nut along with the washer and drive chain puller. be disassembled in order to re- 6. Fully loosen the drive chain slack move and install the wheel. adjuster locknut on each side of 9.
However, should your motorcycle Axle nut: before installing the wheel. 59 N·m (5.9 kgf·m, 44 lb·ft) require any repair, take it to a Yamaha Locknut: dealer, whose skilled technicians have 16 N·m (1.6 kgf·m, 12 lb·ft) the necessary tools, experience, and know-how to service the motorcycle 6.
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Periodic maintenance and adjustment heaters or furnaces. Gasoline or gasoline vapors can ignite or ex- plode, causing severe injury or prop- erty damage. 8-35...
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 those available in coin-operated of many components. Washing, clean- sure to consult a Yamaha dealer for car washers. ing, and polishing will also give you a advice on what products to use be- ...
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Motorcycle care and storage 2. Make sure all caps, covers, elec- 2. Wash the vehicle with a quality au- After washing trical couplers and connectors are tomotive-type detergent mixed 1. Dry the vehicle with a chamois or tightly installed. with cool water and a soft, clean absorbent towel, preferably mi- 3.
Motorcycle care and storage Make sure there is no lubricant 6. Touch up minor paint damage EAU83472 Storage caused by stones, etc. or wax on the brakes or tires. Always store the vehicle in a cool, dry If necessary, wash the tires with 7.
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Motorcycle care and storage 1. Make all necessary repairs and b. Pour a teaspoonful of engine wheels a little once a month in or- perform any outstanding mainte- oil into the spark plug bore. der to prevent the tires from be- nance.
Specifications Dimensions: Engine oil: Fuel injection: Overall length: Recommended brand: Throttle body: 1990 mm (78.3 in) ID mark: Overall width: BK61 00 725 mm (28.5 in) Drivetrain: Overall height: Gear ratio: 1135 mm (44.7 in) 1st: SAE viscosity grades: Seat height: 2.833 (34/12) 10W-40 815 mm (32.1 in)
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Specifications Loading: Front turn signal light: 10.0 W Maximum load: Rear turn signal light: 168 kg (370 lb) 10.0 W (Total weight of rider, passenger, cargo and Auxiliary light: accessories) Front brake: License plate light: Type: 5.0 W Hydraulic single disc brake Rear brake: Type: Hydraulic single disc brake...
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: ZAUE4505 ZAUE4506 1.
Yamaha will not disclose this data to a third party except in the following cas- es. In addition, Yamaha may provide vehicle data to a contractor in order to outsource services related to the han- dling of vehicle data.
Index Air filter element and check hose, Engine break-in ........7-1 Main switch/steering lock....... 5-1 cleaning ..........8-13 Engine idling speed, checking ..... 8-14 Maintenance and lubrication, periodic ... 8-3 Engine oil and oil filter element ....8-9 Maintenance, emission control Engine overheating ......