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Read this manual carefully before operating this vehicle. OWNER’S MANUAL MW125 MW125A 2CM-F8199-E2...
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EAU46091 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
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EAU60580 Welcome to the Yamaha world of motorcycling! As the owner of the MW125/MW125A, you are benefiting from Yamaha’s vast experience and newest technology regarding the design 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 Safety information......1-1 For your safety – pre-operation Valve clearance......6-16 Further safe-riding points ....1-5 checks ..........4-1 Tires ..........6-17 Cast wheels ........6-18 Description ........2-1 Operation and important riding Checking the front brake lever Left view .........
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Table of contents Troubleshooting charts ....6-32 Vehicle care and storage ....7-1 Matte color caution ......7-1 Care ..........7-1 Storage ..........7-4 Specifications........8-1 Consumer information .....9-1 Identification numbers.....9-1 Index ..........10-1...
Contact • Wear a brightly colored jacket. sponsible for the safe and proper oper- Yamaha dealer to find out about • Use extra caution when you are ation of your vehicle. the training courses nearest you. approaching passing This is a leaning multi-wheel vehicle.
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Safety information The posture of the operator and Always wear an approved helmet. • Know your skills and limits. Wear a face shield or goggles. Staying within your limits may passenger is important for proper help you to avoid an accident. control.
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Genuine Yamaha Accessories the vehicle as possible. Securely as windows and doors. Choosing accessories for your vehicle pack your heaviest items as close is an important decision. Genuine to the center of the vehicle as pos- Yamaha accessories, which are avail-...
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Safety information able only from a Yamaha dealer, have at greater risk of serious injury or the vehicle, or the vehicle may been designed, tested, and approved death. You are responsible for injuries become unstable cross by Yamaha for use on your vehicle.
Safety information The suspension should be com- appropriate. Refer to page 6-17 for tire EAU60590 Further safe-riding points specifications and more information on pressed somewhat by the tie- Be sure to signal clearly when replacing your tires. downs, if possible, so that the ve- making turns.
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Safety information Always wear a helmet, gloves, trousers (tapered around the cuff and ankle so they do not flap), and a brightly colored jacket. Do not carry too much luggage on the vehicle. An overloaded vehicle is unstable. Use a strong cord to secure any luggage to the carrier (if equipped).
Instrument and control functions EAUN0264 EWA10062 Main switch/steering lock WARNING The main switch/steering lock is Never turn the key to “OFF” or MW125 equipped with a keyhole shutter. (See “LOCK” while the vehicle is moving. LOCK page 3-3 for keyhole shutter opening Otherwise the electrical systems will and closing procedures.) be switched off, which may result in...
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Instrument and control functions MW125A To unlock the steering 2. With the key in the “LOCK” posi- tion, push the key in and turn it to MW125 “OFF”. 1. Push. 2. Turn. 1. Push. 1. Turn the handlebars all the way to 2.
Instrument and control functions EAUN0353 To open the keyhole shutter EAU49398 Keyhole shutter Indicator lights and warning Insert the key head into the keyhole lights shutter receptacle as shown, and then MW125 turn the key to the right to open the 1 2 3 4 5 keyhole shutter.
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If this oc- The ABS may not work correctly. If any to “ON”. The warning light should curs, have a Yamaha dealer check the of the above occurs, have a Yamaha come on for a few seconds, and then self-diagnosis system.
If this oc- The ABS warning light may come on curs, have a Yamaha dealer check the while accelerating the engine with the vehicle. vehicle on its centerstand, but this ECA11171 does not indicate a malfunction.
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Yamaha dealer. equipped with the following: a speedometer Speedometer a fuel meter a clock an outside air temperature display ...
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If this occurs, climbs above 40 °C, a higher tem- have a Yamaha dealer check the elec- perature than 40 °C will not be dis- Outside air temperature display trical circuit.
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Instrument and control functions The tripmeters show the distance trav- set the fuel reserve tripmeter manually, This indicator will come on at the initial eled since they were last set to zero. it will reset automatically and the dis- 1000 km (600 mi), then at 4000 km Push the “SELECT”...
Instrument and control functions V-belt replacement indicator “V- If the V-belt is replaced before the V- EAU1234H Handlebar switches BELT” belt replacement indicator comes on (i.e., before the periodic V-belt replace- Left ment interval has been reached), the V- belt replacement tripmeter must be re- set for the next periodic V-belt replace- ment to be indicated at the correct time.
Instrument and control functions EAU12401 EAU12902 EAUS1963 Dimmer switch “ ” Front brake lever Rear brake lever Set this switch to “ ” for the high beam and to “ ” for the low beam. EAU12461 Turn signal switch “ ”...
ABS is operating. How- Always keep a sufficient distance ever, special tools are required, so from the vehicle ahead to match the please consult your Yamaha deal- riding speed even with ABS. The ABS performs best with long braking distances.
Instrument and control functions EAU37473 EWA11092 Fuel tank cap WARNING Make sure that the fuel tank cap is properly closed after filling fuel. Leaking fuel is a fire hazard. 1. Front wheel sensor 1. Fuel tank cap 2. “ ” mark To remove the fuel tank cap 1.
2. Do not overfill the fuel tank. When EWA15152 Your Yamaha engine has been de- refueling, be sure to insert the WARNING signed to use regular unleaded gaso- pump nozzle into the fuel tank filler Gasoline is poisonous and can hole.
The exhaust system is hot after op- ohol containing methanol is eration. To prevent a fire hazard or recommended by Yamaha because it burns: can cause damage to the fuel system Do not park the vehicle near or vehicle performance problems.
Instrument and control functions EAU60621 MW125A EAUT3711 Seat Passenger footrest To open the seat 1. Place the vehicle on the center- stand. 2. Insert the key into the main switch, and then turn it counterclockwise to “SEAT OPEN”. MW125 1. Open. 1.
Instrument and control functions Since the storage compartment Do not leave your vehicle unat- EAU61130 Storage compartment accumulates heat when ex- tended with the seat open. posed to the sun and/or the en- gine heat, do not store anything susceptible to heat, consum- ables or flammable items inside ...
EAU61380 EAU15306 this system regularly and have a Luggage hook Sidestand Yamaha dealer repair it if it does not To use the luggage hook, pull it out as The sidestand is located on the left function properly. shown. side of the frame. Raise the sidestand...
Instrument and control functions EAUT1096 Ignition circuit cut-off system Check the operation of the sidestand switch according to the following pro- cedure. 3-18...
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The vehicle must be placed on the center- stand during this inspection. Put the sidestand up. • If a malfunction is noted, have a Yamaha dealer check the system before riding. Push the start switch while applying either of the brake levers. The engine will start.
Instrument and control functions EAU70640 Auxiliary DC connector This vehicle is equipped with an auxil- iary DC connector. Consult your Yamaha dealer before installing any accessories. 3-20...
• If necessary, add recommended coolant to specified level. 6-13 • 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.
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• Make sure that operation is smooth. • Check throttle grip free play. Throttle grip 6-16, 6-22 • 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 6-22 •...
See page 5-4 for engine break-in in- gle sensor to stop the engine in case of understand, ask your Yamaha dealer. structions prior to operating the ve- a turnover. To start the engine after a EWA10272 hicle for the first time.
Operation and important riding points For ABS models: ECA11043 EAU60640 Starting off NOTICE The ABS warning light should 1. While pulling the rear brake lever come on when the main switch is For maximum engine life, never ac- with your left hand and holding the turned to “ON”...
Operation and important riding points EAU16782 EAU60650 EAU16821 Acceleration and deceleration Braking Tips for reducing fuel con- sumption EWA17790 WARNING Fuel consumption depends largely on Avoid braking hard or suddenly your riding style. Consider the follow- (especially when leaning over to ing tips to reduce fuel consumption: ...
If any engine trouble should occur 0–150 km (0–90 mi) during the engine break-in period, Avoid prolonged operation above 1/3 immediately have a Yamaha dealer throttle. check the vehicle. After every hour of operation, stop the engine, and then let it cool for five to ten minutes.
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 20000 km (12000 mi), repeat the maintenance intervals starting from 4000 km (2400 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 EAU62100 General maintenance and lubrication chart ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 4000 km 8000 km 12000 km 16000 km CHECK (600 mi) (2400 mi) (4800 mi) (7200 mi) (9600 mi) Air filter element •...
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 4000 km 8000 km 12000 km 16000 km CHECK (600 mi) (2400 mi) (4800 mi) (7200 mi) (9600 mi) • Check bearings for looseness or √ √...
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Periodic maintenance and adjustment ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 4000 km 8000 km 12000 km 16000 km CHECK (600 mi) (2400 mi) (4800 mi) (7200 mi) (9600 mi) Shock absorber as- • Check operation and shock ab- √...
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Periodic maintenance and adjustment EAU38263 Engine air filter and V-belt air filters • This model’s engine air filter is equipped with a disposable oil-coated paper element, which must not be cleaned with compressed air to avoid damaging it. • The engine air filter element needs to be replaced and the V-belt air filter elements need to be serviced more fre- quently when riding in unusually wet or dusty areas.
1. Open the seat. (See page 3-15.) 2. Remove the screws, and then pull 1. Spark plug cap the panel off as shown. 2. Close the seat. 3. Remove the spark plug as shown, with a spark plug wrench available at a Yamaha dealer.
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3. Install the spark plug cap. ating improperly. Do not attempt to 1. Spark plug gap 4. Install the panel. diagnose such problems yourself. In- Spark plug gap: stead, have a Yamaha dealer check 0.7–0.8 mm (0.028–0.031 in) the vehicle.
Periodic maintenance and adjustment EAU61002 To change the engine oil and clean Engine oil and oil strainer the oil strainer The engine oil should be between the The engine oil level should be checked 1. Start the engine, warm it up for tip of the dipstick and the maximum before each ride.
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Periodic maintenance and adjustment 6. Install engine oil drain bolt A and mix any chemical additives. Do its new gasket, and then tighten not use oils with a diesel speci- both drain bolts to their specified fication of “CD” or oils of a high- torques.
If any leakage is found, have a Yamaha dealer check and repair the Tightening torque: vehicle. In addition, the final transmis- Final transmission oil drain bolt: 22 Nm (2.2 m·kgf, 16 ft·lbf)
If water has been and lubrication chart. added to the coolant, have a Yamaha dealer check the anti- EAU40157 freeze content of the coolant as To check the coolant level soon as possible, otherwise the 1.
Periodic maintenance and adjustment EAU60992 be operated without the air filter Air filter and V-belt case air fil- element installed, otherwise the ter elements piston(s) and/or cylinder(s) may The air filter element should be re- become excessively worn. placed and the V-belt case air filter el- [ECA10482] ement should be cleaned at the 5.
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Periodic maintenance and adjustment Cleaning the air filter check hose 1. V-belt case air filter element cover 1. V-belt case air filter element 2. Bolt 1. Air filter check hose 3. Pull the V-belt case air filter ele- 1. Check the hose on the rear side of ment out, and then clean it with the air filter case for accumulated solvent.
EAU21386 EAU21402 Recommended oil: Checking the throttle grip free Valve clearance Yamaha foam air filter oil or other play The valve clearance changes with use, quality foam air filter oil resulting in improper air-fuel mixture Measure the throttle grip free play as and/or engine noise.
Operation of this vehicle with im- wall is cracked, have a Yamaha dealer cause an accident. proper tire pressure may cause se- replace the tire immediately.
EAU61160 Cast wheels WARNING checked by tire specialists to ascertain To maximize the performance, durabil- Have a Yamaha dealer replace their suitability for further use. ity, and safe operation of your vehicle, excessively worn tires. Besides EWA10462 note the following points regarding the...
Periodically check the brake have a Yamaha dealer inspect the lever free play and, if the free play is 20 brake system. mm (0.79 in) or more, have a Yamaha EWA14212 dealer check and adjust the brake sys- WARNING tem.
EAU40262 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. is above the minimum level mark.
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Use only the specified brake flu- Rear brake fluid level goes down suddenly, have a id; otherwise, the rubber seals Yamaha dealer check the cause before may deteriorate, causing leak- further riding. age. Refill with the same type of brake fluid.
EWA10742 WARNING If the centerstand or sidestand does not move up and down smoothly, have a Yamaha dealer check or re- pair it. Otherwise, the centerstand or sidestand could contact the ground The pivoting points of the front and rear...
If any damage is found or the front face and hold it in an upright posi- fork does not operate smoothly, tion. WARNING! To avoid injury, have a Yamaha dealer check or re- securely support the vehicle so pair it. there is no danger of it falling over.
Battery skin, eyes or clothing and al- The leaning system must be checked ways shield your eyes when by a Yamaha dealer at the intervals working near batteries. In case specified in the periodic maintenance of contact, administer the fol- and lubrication chart.
Periodic maintenance and adjustment battery tends to discharge more quick- is turned to “OFF”, then connect EAU60984 Replacing the fuses ly if the vehicle is equipped with op- the positive lead before con- The main fuse and the fuse box, which tional electrical accessories.
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Periodic maintenance and adjustment MW125 MW125A 1. Fuse box cover 1. Backup fuse (for clock) 1. Backup fuse (for clock) 4. Remove the blown fuse, and then 2. Signaling system fuse 2. Signaling system fuse install a new fuse of the specified 3.
6. If the fuse immediately blows using a cloth moistened with al- again, have a Yamaha dealer cohol or thinner. Headlight lens check the electrical system. 7. Install the fuse box cover, and Do not affix any type of tinted then close the seat.
4. Install the headlight bulb cover, If an auxiliary light does not come on, and then connect the coupler. have a Yamaha dealer check it. 5. Have a Yamaha dealer adjust the headlight beam if necessary. 6-30...
However, should your vehicle re- quire any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, experience, and know-how to service the vehicle prop- erly.
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 ECA20970 NOTICE even if high-quality components are 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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Vehicle care and storage off any detergent residue using shield. Test the product on a After riding in the rain, near the sea, or plenty of water, as it is harmful small hidden part of the wind- on salt-sprayed roads to plastic parts.
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Make sure that there is no oil or recognized. Consult a Yamaha dealer for ad- wax on the brakes or tires. If After cleaning vice on what products to use.
Vehicle care and storage EAU60721 2. Fill up the fuel tank and add fuel 4. Lubricate all control cables and Storage stabilizer (if available) to prevent the pivoting points of all levers and the fuel tank from rusting and the pedals as well as of the side- Short-term fuel from deteriorating.
Specifications Dimensions: Engine oil: Air filter: Overall length: Recommended brand: Air filter element: 1905 mm (75.0 in) YAMALUBE Oil-coated paper element Overall width: Type: Fuel: 735 mm (28.9 in) SAE 10W-40, 20W-40 or 20W-50 Recommended fuel: Overall height: Regular unleaded gasoline (Gasohol (E10) 10 30 50 70 90 110 130 ˚F 1215 mm (47.8 in)
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Specifications Trail: Rear wheel: Wheel travel: 68 mm (2.7 in) 89 mm (3.5 in) Wheel type: Track: Electrical system: Cast wheel 385 mm (15.2 in) Rim size: System voltage: Front tire: 12 x MT2.15 12 V Type: Unified brake system: Ignition system: Tubeless Operation:...
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Specifications Turn signal indicator light: Coolant temperature warning light: Engine trouble warning light: ABS warning light: LED (MW125A) Fuse: Main fuse: 20.0 A Headlight fuse: 15.0 A (MW125) 20.0 A (MW125A) Signaling system fuse: 10.0 A ABS control unit fuse: 10.0 A (MW125A) ABS motor fuse: 30.0 A (MW125A)
These identification numbers are needed when registering the vehicle with the authorities in your area and when ordering spare parts from a Yamaha dealer. VEHICLE IDENTIFICATION NUMBER: 1. Vehicle identification number 1. Engine serial number The vehicle identification number is The engine serial number is stamped stamped into the frame.
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Consumer information The model label is affixed to the inside of the storage compartment. (See page 3-16.) Record the information on this label in the space provided. This information will be needed when order- ing spare parts from a Yamaha dealer.