Read this manual carefully before operating this vehicle. OWNER’S MANUAL WR125R WR125X 22B-F8199-E0...
EAU46090 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 WR125R/WR125X. The Owner’s Manual does not only instruct you in how to operate, inspect and maintain your motorcycle, but also in how to safeguard yourself and others from trouble and injury.
IMPORTANT MANUAL INFORMATION EAU10132 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 – Spoke wheels ......6-17 PRE-OPERATION CHECKS ..... 4-1 Adjusting the clutch lever free DESCRIPTION ........2-1 play ........... 6-18 Left view ..........2-1 OPERATION AND IMPORTANT Checking the front brake lever Right view ........2-3 RIDING POINTS.........
TABLE OF CONTENTS Replacing the headlight bulb ..6-29 Replacing a tail/brake light bulb ...6-30 Replacing a turn signal light bulb ...........6-31 Replacing the license plate light bulb ...........6-31 Replacing an auxiliary light bulb ...6-31 Supporting the motorcycle ....6-32 Front wheel ........6-32 Rear wheel ........6-34 Troubleshooting ......6-35 Troubleshooting charts ....6-37...
SAFETY INFORMATION EAU10313 Safe Riding • Ride where other motorists can Perform the pre-operation checks each see you. Avoid riding in another time you use the vehicle to make sure it motorist’s blind spot. Be a Responsible Owner is in safe operating condition. Failure to Many accidents involve inexperi- As the vehicle’s owner, you are respon- inspect or maintain the vehicle properly...
SAFETY INFORMATION due to excessive speed or under- Protective apparel Avoid Carbon Monoxide Poisoning cornering (insufficient lean angle The majority of fatalities from motor- All engine exhaust contains carbon for the speed). cycle accidents are the result of head monoxide, a deadly gas. Breathing car- •...
Yamaha accessories, which are avail- ty and handling if the weight distribution ute the weight as evenly as possi- able only from a Yamaha dealer, have of the motorcycle is changed. To avoid ble on both sides of the motorcycle...
SAFETY INFORMATION nize that some aftermarket accessories are added to the handlebar or Aftermarket Tires and Rims or modifications are not suitable be- front fork area, they must be as The tires and rims that came with your cause of potential safety hazards to you lightweight as possible and motorcycle were designed to match the or others.
INSTRUMENT AND CONTROL FUNCTIONS EAU10460 EAU10661 To lock the steering Main switch/steering lock All electrical systems are off. The key can be removed. EWA10061 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.
“ON”, Turn signal indicator light “ ” or if the warning light remains on, have This indicator light flashes when the a Yamaha dealer check the electrical turn signal switch is pushed to the left or circuit. right. ECA10021...
If this oc- segments of the display come on WARNING curs, have a Yamaha dealer check the for a few seconds. During this Be sure to stop the vehicle before time, the multi-function display is self-diagnosis system.
INSTRUMENT AND CONTROL FUNCTIONS mode “ODO” and the tripmeter modes Oil change indicator indicator stops flashing and stays on, “TRIP 1” and “TRIP 2” in the following release the “RESET/SELECT” button order: within three seconds; the indicator will ODO → TRIP 1 → TRIP 2 → ODO go off.
INSTRUMENT AND CONTROL FUNCTIONS EAU12348 EAU12360 EAU12711 Handlebar switches Pass switch “PASS” Start switch “ ” Press this switch to flash the headlight. Push this switch to crank the engine Left with the starter. See page 5-1 for start- EAU12400 ing instructions prior to starting the en- Dimmer switch “...
INSTRUMENT AND CONTROL FUNCTIONS EAU12820 EAU12870 EAU12890 Clutch lever Shift pedal Brake lever 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 at the right handlebar grip.
INSTRUMENT AND CONTROL FUNCTIONS EAU12941 EAUM2081 Brake pedal Fuel tank cap The fuel tank cap cannot be installed unless the key is in the lock. In addition, the key cannot be removed if the cap is not properly installed and locked. EWA11141 WARNING Make sure that the fuel tank cap is...
Gasoline is poisonous and can fuel expands when it heats up, cause injury or death. Handle gaso- Your Yamaha engine has been de- heat from the engine or the sun line with care. Never siphon gaso- signed to use premium unleaded gaso- can cause fuel to spill out of the line by mouth.
INSTRUMENT AND CONTROL FUNCTIONS brand. Use of unleaded fuel will extend EAU13445 ECA10701 Catalytic converters NOTICE spark plug life and reduce maintenance This vehicle is equipped with catalytic costs. Use only unleaded gasoline. The use converters in the exhaust system. of leaded gasoline will cause unre- EWA10862 pairable damage to the catalytic...
INSTRUMENT AND CONTROL FUNCTIONS EAU13960 EAU14832 Seat Adjusting the shock absorber assembly To remove the seat Remove the bolts, and then pull the seat off. 1. Projection 2. Seat holder 2. Place the seat in the original posi- 1. Spring preload adjusting nut tion, and then tighten the bolts.
Take the shock cuts the ignition in certain situations. Standard: absorber assembly to a Yamaha (See further down for an explanation of dealer for any service. Maximum (hard): the ignition circuit cut-off system.)
INSTRUMENT AND CONTROL FUNCTIONS below and have a Yamaha dealer re- EAU44892 Ignition circuit cut-off system pair it if it does not function proper- The ignition circuit cut-off system (com- prising the sidestand switch, clutch switch and neutral switch) has the fol- lowing 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. 6-12 • 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 cable free play. Throttle grip 6-14, 6-24 • If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing. • Make sure that operation is smooth. Control cables 6-23 •...
• Correct if necessary. • Check operation of ignition circuit cut-off system. Sidestand switch 3-11 • If system is not working correctly, have Yamaha dealer check vehicle. • Check fluid level. Battery 6-27 • Fill with distilled water if necessary.
(See page 5-2.) The properly lubricated only when neutral indicator light should come the engine is running. Inade- on. If not, ask a Yamaha dealer to quate lubrication may damage check the electrical circuit. the transmission. 1. Shift pedal 3.
Since the engine is brand new, do not gine speeds during acceleration. immediately have a Yamaha dealer put an excessive load on it for the first Do not rev the engine while shifting check the vehicle.
OPERATION AND IMPORTANT RIDING POINTS EAU17213 Parking When parking, stop the engine, and then remove the key from the main switch. EWA10311 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 a Yamaha dealer perform it for you. 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 technical skills.
PERIODIC MAINTENANCE AND ADJUSTMENT EAU17716 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 bearing for looseness or √ √...
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 and for oil leak- √...
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) Lights, signals and • Check operation. √ √...
PERIODIC MAINTENANCE AND ADJUSTMENT EAU18771 Removing and installing pan- The panels shown need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time a panel needs to be removed and installed. 1.
Do not attempt to ZAUM0037 diagnose such problems yourself. In- 1. Spark plug gap stead, have a Yamaha dealer check 1. Spark plug cap the vehicle. Spark plug gap: 2. Remove the spark plug as shown, 0.7–0.8 mm (0.028–0.031 in)
PERIODIC MAINTENANCE AND ADJUSTMENT 2. Clean the surface of the spark plug EAUM2582 Engine oil and oil filter ele- gasket and its mating surface, and The engine oil should be between the ment then wipe off any grime from the minimum and maximum level marks.
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 the oil filler cap. To change the engine oil (with or without oil filter element replace- ment) 1.
PERIODIC MAINTENANCE AND ADJUSTMENT 11. Turn the engine off, and then Tightening torque: Recommended engine oil: check the oil level and correct it if Oil filter element cover bolt: See page 8-1. necessary. 10 Nm (1.0 m·kgf, 7.2 ft·lbf) Oil quantity: Without oil filter element replace- ment: 0.95 L (1.00 US qt, 0.84 Imp.qt)
A slight tilt to the added to the coolant, have a side can result in a false reading. Yamaha dealer check the anti- freeze content of the coolant as 2. Check the coolant level in the cool- soon as possible, otherwise the ant reservoir.
Yamaha dealer change the coolant. periodic maintenance and lubrication WARNING! Never attempt to remove chart. Have a Yamaha dealer replace the radiator cap when the engine is the air filter element more frequently if hot.
(b). from occurring, the valve clearance regarding the specified tires. must be adjusted by a Yamaha dealer at the intervals specified in the periodic Tire air pressure maintenance and lubrication chart. The tire air pressure should be checked and, if necessary, adjusted before each ride.
2. Tire tread depth ed below have been approved for this * Total weight of rider, passenger, car- model by Yamaha Motor Co., Ltd. The tires must be checked before each go and accessories ride. If the center tread depth reaches...
Yamaha dealer, who has the cycle, note following points Manufacturer/model: necessary professional knowl- WR125R PIRELLI / MT90 SCOR- regarding the specified wheels. edge and experience. PION The wheel rims should be checked It is not recommended to patch WR125X PIRELLI / SPORT DE- for cracks, bends or warpage, and a punctured tube.
PERIODIC MAINTENANCE AND ADJUSTMENT EAU22043 7. Tighten the locknut at the crank- Adjusting the clutch lever free case. If the specified clutch lever free play play 8. Tighten the locknut at the clutch le- could be obtained as described above, ver and then slide the rubber cover skip steps 4–7.
Periodically check the brake le- shown. Periodically check the brake ver free play and, if necessary, have a pedal free play and, if necessary, have Yamaha dealer check the brake sys- a Yamaha dealer adjust it. tem. EWAM1030 WARNING...
When checking the fluid level, point that the wear indicator groove has make sure that the top of the brake almost disappeared, have a Yamaha fluid reservoir is level. dealer replace the brake pads as a set. Use only the recommended quality 1.
EAU22760 Changing the brake fluid Drive chain slack ter the brake fluid reservoir when Have a Yamaha dealer change the The drive chain slack should be refilling. Water will significantly brake fluid at the intervals specified in checked before each ride and adjusted...
PERIODIC MAINTENANCE AND ADJUSTMENT of the motorcycle and can lead Tightening torques: to chain slippage or breakage. Locknut: To prevent this from occurring, 16 Nm (1.6 m·kgf, 11 ft·lbf) Axle nut: keep the drive chain slack with- 90 Nm (9.0 m·kgf, 65 ft·lbf) in the specified limits.
If a cable is damaged wet areas. Service the drive chain as or does not move smoothly, have a follows. Yamaha dealer check or replace it. WARNING! Damage to the outer ECA10581 NOTICE sheath may interfere with proper ca-...
PERIODIC MAINTENANCE AND ADJUSTMENT EAU23111 EAU43611 Recommended lubricant: Checking and lubricating the Checking and lubricating the Lithium-soap-based grease throttle grip and cable brake and clutch levers The operation of the throttle grip should Brake lever be checked before each ride. In addi- tion, the cable should be lubricated at the intervals specified in the periodic maintenance chart.
EWA10731 Lithium-soap-based grease 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.
Yamaha dealer check tervals specified in the periodic mainte- the wheel bearings. nance and lubrication chart.
PERIODIC MAINTENANCE AND ADJUSTMENT working near batteries. In case 6. Install the panel. pelled from the battery, the of contact, administer the fol- frame could suffer structural lowing FIRST AID. To store the battery and external damages. [ECA10601] • EXTERNAL: Flush with plenty 1.
7. Radiator fan fuse 4. If the fuse immediately blows The fuse box is located behind panel A. again, have a Yamaha dealer (See page 6-7.) check the electrical system. If a fuse is blown, replace it as follows.
PERIODIC MAINTENANCE AND ADJUSTMENT EAU24204 EAUM2620 EAU45222 Replacing a turn signal light Replacing the license plate Replacing an auxiliary light bulb light bulb bulb 1. Remove the turn signal light lens 1. Remove panel B. (See page 6-7.) If the auxiliary light bulb burns out, re- by removing the screw.
PERIODIC MAINTENANCE AND ADJUSTMENT EAU24350 a jack either under each side of the EAU24360 Supporting the motorcycle Front wheel frame in front of the rear wheel or under Since this model is not equipped with a each side of the swingarm. centerstand, follow these precautions EAUM2632 To remove the front wheel...
7. Install the speed sensor lead hold- 2. Lift the front wheel off the ground installing screw according to the procedure on (WR125R only). page 6-32. 8. Tighten the wheel axle, front wheel 3. Remove the speed sensor lead 1. Speed sensor...
PERIODIC MAINTENANCE AND ADJUSTMENT EAU25080 3. Lift the rear wheel off the ground Rear wheel according to the procedure on page 6-32. EAUM2661 4. Remove the axle nut and the left To remove the rear wheel drive chain alignment plate. EWA10821 WARNING 5.
However, should your motorcycle er on the swingarm. require any repair, take it to a Yamaha Make sure that there is enough dealer, whose skilled technicians have space between the brake pads be- the necessary tools, experience, and fore installing the wheel.
PERIODIC MAINTENANCE AND ADJUSTMENT heaters or furnaces. Gasoline or gasoline vapors can ignite or ex- plode, causing severe injury or property damage. 6-36...
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 coolant as soon as possible.
MOTORCYCLE CARE AND STORAGE EAU26004 ucts onto seals, gaskets, sprock- off any detergent residue using Care ets, the drive chain and wheel plenty of water, as it is harmful While the open design of a motorcycle axles. Always rinse the dirt and de- to plastic parts.
MOTORCYCLE CARE AND STORAGE Test the product on a small hid- 4. To prevent corrosion, it is recom- den part of the windshield to mended to apply a corrosion pro- Salt sprayed on roads in the winter may make sure that it does not leave tection spray metal,...
Turn the engine over several To prevent corrosion, avoid Consult a Yamaha dealer for ad- times with the starter. (This will damp cellars, stables (because vice on what products to use.
MOTORCYCLE CARE AND STORAGE 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 wheels a little every month in order to prevent the tires from becoming degraded in one spot.
Record the key identification number, vehicle identification number and mod- el label information in the spaces pro- vided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the vehi- cle is stolen. KEY IDENTIFICATION NUMBER: 1.
1. Model label The model label is affixed to the frame under the seat. (See page 3-10.) Record the information on this label in the space provided. This information will be needed when ordering spare parts from a Yamaha dealer.
INDEX Air filter element and check hose, Front and rear brake pads, checking..6-19 Safety information ........1-1 replacing and cleaning......6-13 Front brake lever free play, checking ... 6-19 Seat............3-10 Auxiliary light bulb, replacing ....6-31 Front fork, checking ......6-26 Shifting ............5-2 Fuel............
INDEX Wheel (rear).......... 6-34 Wheels..........6-17...
YAMAHA MOTOR CO., LTD. PRINTED IN FRANCE 2008.12 (E)