Read this manual carefully before operating this vehicle. OWNER’S MANUAL YZF-R125 YZF-R125A 5D7-F8199-E5...
EAU46091 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
Yamaha a reputation for dependability. Please take the time to read this manual thoroughly, so as to enjoy all advantages of your YZF-R125/YZF-R125A. The Own- er’s Manual does not only instruct you in how to operate, inspect and maintain your motorcycle, but also in how to safe- guard yourself and others from trouble and injury.
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 SAFETY INFORMATION ....1-1 FOR YOUR SAFETY – Tires ..........6-18 PRE-OPERATION CHECKS .....4-1 Cast wheels ........6-20 DESCRIPTION ........2-1 Adjusting the clutch lever free Left view ......... 2-1 OPERATION AND IMPORTANT play..........6-21 Right view........2-2 RIDING POINTS ........5-1 Checking the front brake lever Controls and instruments ....
TABLE OF CONTENTS Battery ...........6-31 Replacing the fuses.......6-33 Replacing a headlight bulb....6-34 Replacing an auxiliary light bulb..6-35 Tail/brake light.......6-35 Replacing a turn signal light bulb ..........6-35 Replacing the license plate light bulb ..........6-36 Supporting the motorcycle....6-36 Front wheel (for non-ABS models) ........6-37 Rear wheel (for non-ABS models) ........6-38...
SAFETY INFORMATION Never operate a motorcycle with- pears to be very effective in reduc- EAU1028B 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.
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- ...
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.
Yamaha accessories, which are avail- performed to your vehicle that change 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 Check that the fuel cock (if operator and may limit control ability, therefore, such accesso- equipped) is in the “OFF” position ries are not recommended. and that there are no fuel leaks. Use caution when adding electri- ...
INSTRUMENT AND CONTROL FUNCTIONS To lock the steering EAU10462 EAU10662 Main switch/steering lock All electrical systems are off. The key can be removed. EWA10062 WARNING 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.
” (for ABS models) 1. Turn the key to “ON”. 2. If the warning light does not come EAU11021 on, have a Yamaha dealer check Turn signal indicator light “ ” the electrical circuit. This indicator light flashes when the turn signal switch is pushed to the left or right.
The ABS may not work correctly. If any damage. gine is not working correctly. If this oc- of the above occurs, have a Yamaha To activate or deactivate the tachome- curs, have a Yamaha dealer check the dealer check the system as soon as ter high-rpm warning light, hold the self-diagnosis system.
INSTRUMENT AND CONTROL FUNCTIONS a tachometer EAUM3422 Multi-function meter unit a clock a fuel meter FTRIP x1000r/min a coolant temperature meter km/h km/L/100km an odometer and tripmeter display a multi-function display RESET SELECT x1000r/min ...
INSTRUMENT AND CONTROL FUNCTIONS ton to switch between kilometers High-rpm zone: 10000 r/min and 6. Push the “SELECT” button and and miles and then press the “SE- above then release it to start the clock. LECT” button for two seconds to confirm the setting.
6-43 for further instruction. 3. Coolant temperature meter go off for 3 seconds repeatedly. If this occurs, have a Yamaha dealer check With the key in the “ON” position, the Odometer and tripmeter display the electrical circuit.
INSTRUMENT AND CONTROL FUNCTIONS two tripmeters (which shows the change to the fuel reserve tripmeter Multi-function display distance traveled since last set to mode “F TRIP” and start counting the zero) distance traveled from that point. In a fuel reserve tripmeter (which that case, pushing the “SELECT”...
INSTRUMENT AND CONTROL FUNCTIONS a warning message function “L/100 km”: The amount of fuel speed “AVE SPEED/__mph”, the oil a self-diagnosis device service reminder “DIST SERV/__miles” necessary to travel 100 km under in the following order: the current riding conditions is Push the “INFO”...
INSTRUMENT AND CONTROL FUNCTIONS the UK only). Push the “INFO” button Average speed display play will also reset automatically 4 to switch between these display set- hours after the key was last turned to tings. “OFF”. “AVE_ _._ km/L”: The average dis- tance that can be traveled on 1.0 L Time tripmeter of fuel is shown.
If the low battery indicator comes on SERV” mode flashes and then push ter that, and every 3000 km thereafter. have a Yamaha dealer check the bat- and hold the “RESET” button for at After changing the engine oil, reset the tery.
If the display indicates any error codes, HIGH TEMP →LOW FUEL →LOW note the code number, and then have BATT →OIL SERV a Yamaha dealer check the vehicle. ECA11591 NOTICE Push the “INFO” button to switch be- If the display indicates an error...
INSTRUMENT AND CONTROL FUNCTIONS Right ter position. To cancel the turn signal EAUM3451 Info switch “INFO” lights, push the switch in after it has re- This switch is used to perform selec- turned to the center position. tions in the function display of the multi-function meter unit and to acti- EAU12501 Horn switch “...
INSTRUMENT AND CONTROL FUNCTIONS EAU12821 EAU12872 EAU12892 Clutch lever Shift pedal Brake lever ZAUM1164 ZAUM1165 ZAUM1166 1. Clutch lever 1. Shift pedal 1. Brake lever The clutch lever is located at the left The shift pedal is located on the left The brake lever is located on the right handlebar grip.
EAU60021 Brake pedal ABS (for ABS models) The ABS performs a self-diagno- The Yamaha ABS (Anti-lock Brake sis test each time the vehicle first System) features a dual electronic con- starts off after the key is turned to trol system, which acts on the front and “ON”...
INSTRUMENT AND CONTROL FUNCTIONS EAUM2082 Fuel tank cap The fuel tank cap cannot be installed unless the key is in the lock. In addi- tion, the key cannot be removed if the cap is not properly installed and locked. EWA11142 WARNING ZAUM1227 Make sure that the fuel tank cap is...
Gasoline is poisonous and can fuel expands when it heats up, Your Yamaha engine has been de- cause injury or death. Handle gaso- heat from the engine or the sun signed to use premium unleaded gas- line with care.
10% (E10). Gas- Do not park the vehicle near ohol containing methanol is possible fire hazards such as recommended by Yamaha because it grass or other materials that can cause damage to the fuel system easily burn. or vehicle performance problems.
INSTRUMENT AND CONTROL FUNCTIONS this system regularly and have a EAU44893 Ignition circuit cut-off system Yamaha dealer repair it if it does not The ignition circuit cut-off system function properly. (comprising the sidestand switch, clutch switch and neutral switch) has the following functions.
INSTRUMENT AND CONTROL FUNCTIONS WARNING With the engine turned off: 1. Move the sidestand down. If a malfunction is noted, have a Yamaha 2. Make sure that the engine stop switch is set to “ ”. dealer check the system before riding.
• If necessary, add recommended coolant to specified level. 6-14 • 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.
• Make sure that operation is smooth. • Check throttle grip free play. Throttle grip 6-17, 6-28 • If necessary, have Yamaha dealer adjust throttle grip free play and lubricate ca- ble and grip housing. • Make sure that operation is smooth. Control cables 6-27 •...
• Correct if necessary. • Check operation of ignition circuit cut-off system. Sidestand switch 3-18 • If system is not working correctly, have Yamaha dealer check vehicle. • Check fluid level. 6-31 Battery • Fill with distilled water if necessary.
The neutral indi- repeatedly until it reaches the end of its cator light should come on. If not, travel, and then slightly raise it. ask a Yamaha dealer to check the electrical circuit. 3. Start the engine by pushing the start switch.
OPERATION AND IMPORTANT RIDING POINTS ECA10261 EAU16811 EAU16831 Tips for reducing fuel con- Engine break-in NOTICE sumption There is never a more important period Even with the transmission in in the life of your engine than the period Fuel consumption depends largely on the neutral position, do not between 0 and 1000 km (600 mi).
Do not park near grass or other Keep the engine speed out of flammable materials which the tachometer red zone. might catch fire. If any engine trouble should oc- cur during the engine break-in period, immediately have a Yamaha dealer check the vehi- cle.
To avoid possible burns, let tivities incorrectly may increase brake components cool before your risk of injury or death during touching them. service or while using the vehicle. If you are not familiar with vehicle ser- vice, have a Yamaha dealer perform service.
From 30000 km (17500 mi), repeat the maintenance intervals starting from 6000 km (3500 mi). Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and tech- nical skills.
PERIODIC MAINTENANCE AND ADJUSTMENT EAU1771A General maintenance and lubrication chart ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 6000 km 12000 km 18000 km 24000 km CHECK (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) √ √...
PERIODIC MAINTENANCE AND ADJUSTMENT ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 6000 km 12000 km 18000 km 24000 km CHECK (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) • Check tread depth and for dam- age.
PERIODIC MAINTENANCE AND ADJUSTMENT ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 6000 km 12000 km 18000 km 24000 km CHECK (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) • Check operation. √ √ √ √ √...
PERIODIC MAINTENANCE AND ADJUSTMENT ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 6000 km 12000 km 18000 km 24000 km CHECK (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) • Check operation. • Check throttle grip free play, and √...
PERIODIC MAINTENANCE AND ADJUSTMENT 2. Remove the screws, slide the EAU18732 EAU55850 Removing and installing the cowling forward, and then take it cowlings and panel off. Cowling A 3. Disconnect the turn signal light lead coupler. To remove the cowling Remove the screws, and then take the cowling off.
PERIODIC MAINTENANCE AND ADJUSTMENT Cowling C 2. Remove the screws and the quick fasteners, and then take the cowl- To install the quick fasteners, push the To remove the cowling ing off. center pin out so that it will protrude Remove the screws, and then pull the from the fastener head, insert the fas- cowling off as shown.
If the spark plug shows a distinctly dif- ferent color, the engine could be oper- ating improperly. Do not attempt to diagnose such problems yourself. In- 1. Spark plug cap stead, have a Yamaha dealer check the vehicle. 6-10...
PERIODIC MAINTENANCE AND ADJUSTMENT 2. Check the spark plug for electrode 2. Clean the surface of the spark EAUM3490 Engine oil and oil filter ele- erosion and excessive carbon or plug gasket and its mating sur- ment other deposits, and replace it if face, and then wipe off any grime The engine oil level should be checked necessary.
PERIODIC MAINTENANCE AND ADJUSTMENT 4. If the engine oil is below the mini- mum level mark, add sufficient oil The engine oil should be between the of the recommended type to raise minimum and maximum level marks. it to the correct level. 5.
PERIODIC MAINTENANCE AND ADJUSTMENT 9. 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 Nm (1.0 m·kgf, 7.2 ft·lbf) 1. Engine oil drain bolt 1.
PERIODIC MAINTENANCE AND ADJUSTMENT 11. Refill with the specified amount of 12. Start the engine, and then let it idle EAU20071 Coolant the recommended engine oil, and for several minutes while checking The coolant level should be checked then install and tighten the oil filler it for oil leakage.
3. Minimum level mark tenance and lubrication chart. Have a mark, and then install the reservoir Yamaha dealer change the coolant. cap. NOTICE: If coolant is not 3. If the coolant is at or below the WARNING! Never attempt to remove...
Yamaha dealer. placed at the intervals specified in the periodic maintenance and lubrication Engine idling speed: chart. Have a Yamaha dealer replace 1350–1550 r/min the air filter element more frequently if you are riding in unusually wet or dusty areas. In addition, the air filter check hose must be frequently checked and cleaned if necessary.
* Total weight of rider, passenger, car- or glass fragments in it, or if the side- go and accessories Operation of this vehicle with im- wall is cracked, have a Yamaha dealer proper tire pressure may cause se- replace the tire immediately. EWA10512...
PERIODIC MAINTENANCE AND ADJUSTMENT Tire information EWA10472 EWA10902 WARNING WARNING Have a Yamaha dealer replace The front and rear tires should excessively worn tires. Besides be of the same make and de- being illegal, operating the vehi- sign, otherwise the handling...
If any damage is found, have V3002 (original) speed riding to ride conserva- Rear tire: a Yamaha dealer replace the tively for approximately 100 km Size: wheel. Do not attempt even the (60 mi) after installing a new tire.
PERIODIC MAINTENANCE AND ADJUSTMENT 7. Tighten the locknut at the crank- EAU22045 Adjusting the clutch lever free case. If the specified clutch lever free play play 8. Tighten the locknut at the clutch could be obtained as described above, lever and then slide the rubber skip steps 4–7.
EAU22393 Checking the front and rear brake light come on later, turn the ad- peared, have a Yamaha dealer replace brake pads justing nut in direction (b). the brake pads as a set. The front and rear brake pads must be...
PERIODIC MAINTENANCE AND ADJUSTMENT Use only the specified brake flu- Rear brake EAU40262 Checking the brake fluid level id; otherwise, the rubber seals Before riding, check that the brake fluid may deteriorate, causing leak- is above the minimum level mark. age.
EAU22733 EAU22762 Changing the brake fluid Drive chain slack Yamaha dealer check the cause before Have a Yamaha dealer change the The drive chain slack should be further riding. brake fluid at the intervals specified in...
To adjust the drive chain slack Locknut: drive chain slack adjusting bolt on 16 Nm (1.6 m·kgf, 12 ft·lbf) Consult a Yamaha dealer before ad- each side of the swingarm in di- justing the drive chain slack. rection (a). To loosen the drive 4.
If a cable is wet areas. Service the drive chain as damaged or does not move smoothly, follows. have a Yamaha dealer check or re- place it. WARNING! Damage to the ECA10584 NOTICE outer housing of cables may result...
In levers should be checked before each addition, the cable should be lubricat- ride, and the lever pivots should be lu- ed by a Yamaha dealer at the intervals bricated if necessary. specified in the periodic maintenance Brake lever chart.
The operation of the brake pedal The swingarm pivots must be lubricat- should be checked before each ride, ed by a Yamaha dealer at the intervals and the pedal pivot should be lubricat- specified in the periodic maintenance ed if necessary.
If there is play in the wheel skin, eyes or clothing and al- hub or if the wheel does not turn ways shield your eyes when smoothly, have a Yamaha dealer working near batteries. In case check the wheel bearings. of contact, administer the fol- lowing FIRST AID.
PERIODIC MAINTENANCE AND ADJUSTMENT Batteries produce explosive hy- To store the battery drogen gas. Therefore, keep 1. If the motorcycle will not be used The electrolyte should be between the for more than one month, remove sparks, flames, cigarettes, etc., minimum and maximum level marks.
Main fuse: This model is equipped with halogen 20.0 A bulb headlights. If a headlight bulb Ignition fuse: burns out, have a Yamaha dealer re- 7.5 A Signaling system fuse: place it and, if necessary, adjust the 7.5 A headlight beam.
If the tail/brake light does not come on, iary lights. If an auxiliary light bulb by removing the screw. have a Yamaha dealer check it. burns out, replace it as follows. 1. Remove the auxiliary light bulb socket (together with the bulb) by pulling it out.
PERIODIC MAINTENANCE AND ADJUSTMENT EAUM3510 EAU24351 Replacing the license plate Supporting the motorcycle light bulb Since this model is not equipped with a centerstand, follow these precautions 1. Remove the license plate light unit when removing the front and rear by removing the screw.
EWA14841 wheel and brake disc have been the specified torques. WARNING removed, otherwise the brake For the ABS model, have a Yamaha Tightening torques: pads will be forced shut. [ECA11073] Wheel axle: dealer remove and install the wheel.
PERIODIC MAINTENANCE AND ADJUSTMENT If the drive chain is difficult to re- move, remove the wheel axle first, and then lift the wheel upward enough to remove the drive chain from the rear sprocket. The drive chain cannot be disas- sembled.
The following troubleshooting charts represent quick and easy procedures for checking these vital systems your- self. 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.
PERIODIC MAINTENANCE AND ADJUSTMENT heaters or furnaces. Gasoline or gasoline vapors can ignite or ex- plode, causing severe injury or prop- erty damage. 6-41...
Remove the spark plug and check the electrodes. The engine does not start. Have a Yamaha dealer check the vehicle. Check the battery. 4. Battery The engine turns over The battery is good.
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.
Some models are equipped with matte colored finished parts. Be ble. Rust and corrosion can develop Cleaning sure to consult a Yamaha dealer for even if high-quality components are ECA10773 NOTICE used. A rusty exhaust pipe may go un-...
MOTORCYCLE CARE AND STORAGE off any detergent residue using shield. Test the product on a plenty of water, as it is harmful small hidden part of the wind- Salt sprayed on roads in the winter to plastic parts. shield to make sure that it does may remain well into spring.
EWA11132 poorly ventilated room or cover- WARNING ing it with a tarp, while it is still Consult a Yamaha dealer for ad- Contaminants on the brakes or tires wet, will allow water and humid- can cause loss of control.
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.
Model label Record the vehicle identification num- ber and model label information 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: ZAUM1195 ZAUM1225 1.