Page 1
Read this manual carefully before operating this vehicle. OWNER’S MANUAL YW125Z LIT-11626-23-66 32S-F8199-11...
Page 2
EAU10042 Q Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
Page 3
INTRODUCTION EAU10092 Congratulations on your purchase of the Yamaha YW125Z. This model is the result of Yamaha’s vast experience in the production of fine sporting, touring, and pacesetting racing machines. It represents the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields.
Page 4
EAU10122 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.
EAU10210 TABLE OF CONTENTS LOCATION OF IMPORTANT FOR YOUR SAFETY - PRE-OPERATION Valve clearance ......6-15 LABELS ..........1-1 CHECKS ..........4-1 Tires ..........6-16 SAFETY INFORMATION ....1-3 Cast wheels ........6-17 Further safe-riding points ....1-7 OPERATION AND IMPORTANT RIDING Checking the front brake lever free POINTS ..........
Page 7
SPECIFICATIONS ......8-1 CONSUMER INFORMATION ..... 9-1 Identification numbers ..... 9-1 Reporting safety defects ....9-3 Motorcycle noise regulation .... 9-4 Maintenance record ......9-5 YAMAHA MOTOR CORPORATION, U.S.A. RIVA LIMITED WARRANTY ......... 9-7 YAMAHA EXTENDED SERVICE (Y.E.S.) .......... 9-9...
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<IXE> EAU10221 EAU10221 SAFETY INFORMATION SAFETY INFORMATION EAU10263 Safe Riding likely places for scooter Be a Responsible Owner Perform the pre-operation checks each accidents to occur. As the vehicle’s owner, you are respon- time you use the vehicle to make sure •...
Page 11
EAU10221 SAFETY INFORMATION ● excessive speed or undercornering Never ride under the influence of feet. The engine or exhaust system (insufficient lean angle for the alcohol or other drugs. become very hot during or after speed). ● This scooter is designed for on-road operation and can cause burns.
Page 12
Yamaha accessories, which are avail- mize imbalance or instability. caution when adding cargo or accesso- able only from a Yamaha dealer, have ● Shifting weights can create a sud- ries to your scooter. Use extra care when been designed, tested, and approved by den imbalance.
Page 13
• Certain accessories can specifically recommended by Yamaha, ing it to make sure that it does not displace the operator from his even if sold and installed by a Yamaha in any way reduce ground clear- or her normal riding position. dealer.
Safe-riding points<IXE> EAU10221 SAFETY INFORMATION EAUT2030 ate. Refer to page 6-16 for tire specifi- sers (tapered around the cuff and Further safe-riding points cations and more information on replac- ankle so they do not flap), and a ● Make sure to signal clearly when ing your tires.
Main switch/steering lock<IXE> EAU1044D EAU1044D INSTRUMENT AND CONTROL FUNCTIONS INSTRUMENT AND CONTROL FUNCTIONS EAU45440 EAUT2270 EAU10681 Main switch/steering lock LOCK All electrical circuits are supplied with The steering is locked, and all electrical power, and the meter lighting and tail- systems are off.
High beam indicator light<IXE> EAU1044D INSTRUMENT AND CONTROL FUNCTIONS EAUT2111 EAU10981 To unlock the steering Keyhole cover Indicator lights 1. Turn. 1. Turn signal indicator light “4 6” 1. Keyhole cover lever 2. Release. 2. High beam indicator light“&” To open the keyhole cover 3.
This warning light flashes or stays on if an electrical circuit monitoring the en- gine is not working correctly. If this oc- curs, have a Yamaha dealer check the self-diagnosis system. The electrical circuit of the warning light can be checked by turning the key to “ON”.
Start switch<IXE> EAU1044D INSTRUMENT AND CONTROL FUNCTIONS EAU12348 EAU12500 Right * ” Handlebar switches Horn switch “* Press this switch to sound the horn. Left EAU12660 Engine stop switch “# # # # # /$ $ $ $ $ ” Set this switch to “#”...
Fuel tank cap<IXE> EAU1044D INSTRUMENT AND CONTROL FUNCTIONS EAU12900 EAU12950 EAU13041 Front brake lever Rear brake lever Fuel tank cap 1. Front brake lever 1. Rear brake lever 1. Fuel tank cap The front brake lever is located on the The rear brake lever is located on the To open the fuel tank cap right handlebar grip.
Fuel<IXE> EAU1044D INSTRUMENT AND CONTROL FUNCTIONS EAU13221 on the vehicle. Never refuel while Fuel smoking, or while in the vicinity of The fuel tank cap cannot be closed un- sparks, open flames, or other less the key is in the lock. In addition, sources of ignition such as the pi- the key cannot be removed if the cap is lot lights of water heaters and...
Park the vehicle in a place where containing methanol is not recom- Fuel tank capacity: pedestrians or children are not mended by Yamaha because it can 6.0 L (1.59 US gal) (1.32 Imp.gal) likely to touch the hot exhaust cause damage to the fuel system or ECA11400 system.
Seat<IXE> EAU1044D INSTRUMENT AND CONTROL FUNCTIONS ECA10701 EAUT2670 from “OFF” to “OPEN” or from “ON” to Seat NOTICE “OPEN”. Use only unleaded gasoline. The use of leaded gasoline will cause To close the seat unrepairable damage to the catalytic 1. Fold the seat down, and then push converter.
Storage compartment<IXE> EAU1044D INSTRUMENT AND CONTROL FUNCTIONS EAU14301 EAU14452 To release the helmet from the Helmet holder Storage compartment helmet holder Open the seat, remove the helmet from the helmet holder, and then close the seat. 1. Helmet holder 1. Storage compartment The helmet holder is located under the The storage compartment is located seat.
The sidestand is located on the left side tem regularly as described below and of the frame. Raise the sidestand or lower have a Yamaha dealer repair it if it it with your foot while holding the ve- does not function properly.
Ignition circuit cut-off system<IXE> EAU1044D INSTRUMENT AND CONTROL FUNCTIONS EAU45051 Ignition circuit cut-off system The ignition circuit cut-off system (com- prising the sidestand switch and brake light switches) has the following func- tions. 8 It prevents star ting when the sidestand is up, but neither brake is applied.
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 turned on. dealer check the system before riding. 3. Turn the key on.
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. 4-31...
Page 32
• Make sure that operation is smooth. • Check cable free play. Throttle grip 6-15, 6-22 • If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing. • Make sure that operation is smooth. Control cables 6-22 •...
Page 33
• Check operation. 3-2, 3-4 and switches • Correct if necessary. Engine stop switch • Check operation. • Check operation of ignition circuit cut-off system. Sidestand switch 3-10 • If system is not working correctly, have Yamaha dealer check vehicle. 4-33...
Each is a control or function you do not un- NOTICE starting attempt should be as short derstand, ask your Yamaha dealer. See page 5-3 for engine break-in in- as possible to preserve the battery. EWA10271...
Braking<IXE> EAU15943 OPERATION AND IMPORTANT RIDING POINTS EAU16761 EAU16780 EAU16793 Starting off Acceleration and decelera- Braking EWA10300 tion WARNING Before starting off, allow the engine to ● ● ● ● ● warm up. Avoid braking hard or suddenly (especially when leaning over to one side), otherwise the scooter 1.
If any engine trouble should occur Avoid prolonged operation above 1/3 during the engine break-in period, throttle. immediately have a Yamaha dealer After every hour of operation, stop the check the vehicle. engine, and then let it cool for five to ten minutes.
Parking<IXE> EAU15943 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.
Failure to properly maintain the ve- repair establishment or individual that hicle or performing maintenance ac- is certified (if applicable). Yamaha deal- tivities incorrectly may increase your ers are trained and equipped to perform risk of injury or death during service these particular services.
Owner’s tool kit If you do not have the tools or experi- ence required for a particular job, have a Yamaha dealer perform it for you. 1. Owner’s tool kit The owner’s tool kit is located inside the storage compartment under the seat.
Fuel injection • Check engine idle speed. • Check for leakage. Exhaust system • Tighten if necessary. • Replace gasket(s) if necessary. * Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. 6-40...
Maintenance and lubrication, periodic<IXE> EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT EAU32125 General maintenance and lubrication chart INITIAL ODOMETER READING 600 mi 2,000 mi 4,000 mi 6,000 mi 8,000 mi 10,000 mi (1,000 km) (4,000 km) (7,000 km) (10,000 km) (13,000 km) (16,000 km) ITEM ROUTINE...
Page 42
EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT INITIAL ODOMETER READING 600 mi 2,000 mi 4,000 mi 6,000 mi 8,000 mi 10,000 mi (1,000 km) (4,000 km) (7,000 km) (10,000 km) (13,000 km) (16,000 km) ITEM ROUTINE month months months months months months •...
Page 43
• Adjust headlight beam. * Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. From 12000 mi (19000 km) or 36 months, repeat the maintenance intervals starting from 4000 mi (7000 km) or 12 months.
Page 44
EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT EAUT2710 8 Air filter and V-belt filter 9 This model’s air filter is equipped with a disposable oil-coated paper element, which must not be cleaned with compressed air to avoid damaging it. 9 The air filter element needs to be replaced and V-belt filter needs to be serviced more frequently when riding in unusually wet or dusty areas.
Panel, removing and installing<IXE> EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT EAU18771 EAU19272 EAUT2532 Removing and installing Panel A Panel B To remove the panel To remove the panel panels Remove the screw, and then pull out- 1. Remove panel A. (See page 6-8.) The panels shown need to be removed ward on the areas shown.
Do not attempt to diag- the specified torque. nose such problems yourself. Instead, Tightening torque: have a Yamaha dealer check the vehicle. Spark plug: 13 Nm (1.3 m • kgf, 9.4ft • lbf) 6-46...
Engine oil<IXE> EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT EAUT2592 3. Wait a few minutes until the oil Engine oil settles, remove the oil filler cap, If a torque wrench is not available when The engine oil level should be checked wipe the dipstick clean, insert it installing a spark plug, a good estimate before each ride.
Page 48
EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT immediately turn the engine off and Tightening torque: check for the cause. Engine oil drain bolt: 7. Turn the engine off, and then check 20 Nm (2.0 m • kgf, 14.5 ft • lbf) the oil level and correct it if neces- 5.
Final transmission oil The final transmission case must be checked for oil leakage before each ride. If any leakage is found, have a Yamaha dealer check and repair the scooter. In addition, the final transmission oil must be changed as follows at the intervals specified in the periodic maintenance and lubrication chart.
Air filter and V-belt case air filter elements<IXE> EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT EAUT2660 7. Check the final transmission case 1. Place the scooter on the Air filter and V-belt case air for oil leakage. If oil is leaking, centerstand. filter elements check for the cause.
Page 51
The air filter element should be wet but not dripping. Recommended oil: Yamaha foam air filter oil or other quality foam air filter oil 1. V-belt air filter case cover 1. Air filter element 2. Screw 5.
To prevent this from necessary, have it corrected by a occurring, the valve clearance must be Yamaha dealer. adjusted by a Yamaha dealer at the in- tervals specified in the periodic mainte- Engine idling speed: 1700 ~ 1900 r/min nance and lubrication chart.
* Total weight of rider, passenger, nail or glass fragments in it, or if the trol. cargo and accessories sidewall is cracked, have a Yamaha 8 8 8 8 8 The tire air pressure must be dealer replace the tire immediately. EWA10511...
The brake lever free play should mea- lever end. If there is free play, have a sure 10 ~ 20 mm (0.39 ~ 0.79 in) as Yamaha dealer inspect the brake sys- shown. Periodically check the brake le- tem. ver free play and, if necessary, adjust it EWA14211 as follows.
The front brake pads and the rear brake Yamaha dealer replace the brake pads shoes must be checked for wear at the as a set. intervals specified in the periodic main- EAU22540 tenance and lubrication chart.
Observe these precautions: Checking the brake fluid level 8 When checking the fluid level, make limit line, have a Yamaha dealer replace the brake shoes as a set. sure that the top of the master cyl- inder is level by turning the handle- bars.
Changing the brake fluid Checking and lubricating the gradually go down. However, if the Have a Yamaha dealer change the brake cables brake fluid level goes down sud- fluid at the intervals specified in the TIP...
If the centerstand or sidestand does Rear brake lever: Lithium-soap-based grease not move up and down smoothly, have a Yamaha dealer check or repair it. Otherwise, the centerstand or sidestand could contact the ground and distract the operator, resulting in...
1. Place the vehicle on a level sur- fork does not operate smoothly, have face and hold it in an upright posi- a Yamaha dealer check or repair it. tion. WARNING! To avoid injury, securely support the vehicle so there is no danger of it falling over.
If there is play in the wheel hub or periodic maintenance and lubrication if the wheel does not turn smoothly, chart. have a Yamaha dealer check the wheel 1. Place vehicle bearings. centerstand.
To charge the battery batteries. In case of contact, ad- minister the following FIRST AID. Have a Yamaha dealer charge the bat- 9 9 9 9 9 EXTERNAL: Flush with tery as soon as possible if it seems to plenty of water.
Fuses, replacing<IXE> EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT ECA16530 EAUT2681 To store the battery Replacing the fuses 1. If the vehicle will not be used for NOTICE more than one month, remove the Always keep the battery charged. Stor- battery, fully charge it, and then ing a discharged battery can cause place it in a cool, dry place.
If a headlight bulb burns out, second intervals to initialize the idle ing than recommended to avoid have a Yamaha dealer replace it and, if speed control system. causing extensive damage to the necessary, adjust the headlight beam.
If the tail/brake light does not come on, 3. Insert a new bulb into the socket, have a Yamaha dealer check its electri- 1. Turn signal light Bulb push it in, and then turn it clock- cal circuit or replace the bulb.
However, should your scooter require any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, experience, and know-how to ser- vice the scooter properly.
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.
Rust and corrosion can develop even if matte colored finished parts. Be sure NOTICE high-quality components are used. A to consult a Yamaha dealer for ad- ● ● ● ● ● Avoid using strong acidic wheel rusty exhaust pipe may go unnoticed on...
EAU25991 SCOOTER CARE AND STORAGE any detergent residue using the windshield. Test the product plenty of water, as it is harmful on a small hidden part of the Salt sprayed on roads in the winter may to plastic parts. windshield to make sure that it remain well into spring.
(because of ● ● ● ● ● Make sure that there is no oil or ● Consult a Yamaha dealer for advice the presence of ammonia) and wax on the brakes or tires. If nec- on what products to use.
Page 71
EAU25991 SCOOTER CARE AND STORAGE from deteriorating. 4. Lubricate all control cables and the 3. Perform the following steps to pro- pivoting points of all levers and Make any necessary repairs before stor- tect the cylinder, piston rings, etc. pedals as well as of the sidestand/ ing the scooter.
Specifications<IXE> EAU26320 EAU26320 SPECIFICATIONS SPECIFICATIONS EAU2633X Engine oil Throttle body Dimensions Recommended brand: Type/quantity Overall length YAMALUBE AC24-7 / 1 1910 mm (75.2 in) Type: Manufacturer Overall width SAE 10W-30, 10W-40, 10W-50, 15W-40, AISAN 765 mm (30.1 in) 20W-40 or 20W-50 Spark plug (s) Overall height Manufacturer/model...
Page 73
EAU26320 SPECIFICATIONS Size Rim size Battery 120 / 70 - 12 J12 X MT3.00 Model Manufacturer/model Front brake MF (YT7B-BS) KENDA / K761A Type Voltage, capacity Rear tire Single disc brake 12 V, 6.5 Ah Type Operation Headlight Tubeless Right hand operation Bulb type Size Recommended fluid...
Record the key identification number, vehicle identification number 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. KEY IDENTIFICATION NUMBER: 1. Key identification number 1.
Page 75
This information will be needed illustration. This label shows specifica- when ordering spare parts from a tions related to exhaust emissions as Yamaha dealer. required by federal law, state law and Environment Canada. 9-75...
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immedi- ately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Yamaha Motor Corporation, U.S.A. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign.
Noise regulation<IXE> EAU26343 CONSUMER INFORMATION EAU26560 Motorcycle noise regulation TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED: Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inoperative by any person other than for purposes of maintenance, repair, or replacement of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person.
Maintenance record<IXE> EAU26343 CONSUMER INFORMATION EAU26600 Maintenance record Copies of work orders and/or receipts for parts purchased and installed on your motorcycle will be required to document that maintenance has been completed in accordance with the emissions warranty. The chart below is printed only as a reminder that maintenance work is required.
Page 79
EAU26343 CONSUMER INFORMATION Maintenance Date of Servicing dealer Mileage Remarks interval service name and address 14000 mi (22000 km) or 42 months 16000 mi (25000 km) or 48 months 18000 mi (28000 km) or 54 months 20000 mi (31000 km) or 60 months 9-79...
This excellent Y.E.S. plan coverage is only available to dealer to see how comforting uninterrupted factory- Yamaha owners like you, and only while your Yamaha is still backed protection can be. within the Yamaha Limited Warranty period. So visit your authorized Yamaha dealer to get all the facts.
Page 83
Yamaha Limited Warranty expires. A special note: If visiting your dealer isn’t convenient, contact Yamaha with your Primary ID number (your frame number). We’ll be happy to help you get the Y.E.S. coverage you need.
Page 84
INDEX Fuel ............3-6 Part locations ..........2-1 Fuel consumption, tips for reducing ..5-3 Acceleration and deceleration ....5-2 Fuel gauge ..........3-3 Air filter and V-belt case air filter Rear brake lever free play, adjusting ..6-18 Fuel tank cap ..........3-5 elements ..........
Page 85
INDEX Valve clearance ........6-15 Vehicle Emission Control Information label ............9-2 Vehicle identification number ....9-1 Warranty, extended ........9-9 Warranty, limited ........9-7 Wheel bearings, checking ...... 6-24 Wheels ............ 6-17...
Page 88
YAMAHA MOTOR TAIWAN CO., LTD PRINTED IN TAIWAN 2010.01-0.8× × × × × 1!