Yamaha TTR 125 2023 Manual
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Yamaha TTR 125 2023 Manual

Yamaha TTR 125 2023 Manual

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OWNER'S MANUAL
MANUEL DU PROPRIÉTAIRE
BEDIENUNGSANLEITUNG
TT-R125ELR
TT-R125LWE
TT-R125LWER
Read this manual carefully
before operating this vehicle.
Il convient de lire attentive-
ment ce manuel avant la
première utilisation du véhicule.
Bitte lesen Sie diese
Bedienungsanleitung sorgfälfig
durch, bevor Sie das Fahrzeug
in Betrieb nehmen.
BSR-F8199-81
Location of important labels

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Summary of Contents for Yamaha TTR 125 2023

  • Page 1 Read this manual carefully before operating this vehicle. Location of important labels OWNER’S MANUAL Il convient de lire attentive- MANUEL DU PROPRIÉTAIRE ment ce manuel avant la première utilisation du véhicule. BEDIENUNGSANLEITUNG Bitte lesen Sie diese Bedienungsanleitung sorgfälfig durch, bevor Sie das Fahrzeug in Betrieb nehmen.
  • Page 2 Location of important labels OWNER’S MANUAL TT-R125ELR TT-R125LWE TT-R125LWER BSR-F8199-81-E0...
  • Page 3 EAUW5070 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
  • Page 4 Yamaha has met these standards without reducing the performance or economy of operation of the motorcycle. To maintain these high standards, it is important that you and your Yamaha dealer pay close attention to the recommended maintenance schedules and operating instructions contained within this manual.
  • Page 5 Introduction AN IMPORTANT SAFETY MESSAGE:  Read this manual completely before operating your motorcycle. Make sure you understand all instructions.  Pay close attention to the warning and notice labels on the motorcycle.  Never operate a motorcycle without proper training or instruction. AN IMPORTANT NOTE TO PARENTS: This motorcycle is not a toy.
  • Page 6 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.
  • Page 7 Important manual information EAUW0012 TT-R125ELR/TT-R125LWE/TT-R125LWER OWNER’S MANUAL ©2024 by Yamaha Motor da Amazônia Ltda. 2nd edition, June 2023 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor da Amazônia Ltda. is expressly prohibited. Printed in Brazil.

  • Page 8: Table Of Contents

    Table of contents Location of important labels....1-1 For your safety – pre-operation Adjusting the clutch lever free checks ..........5-1 play ..........7-17 Safety information ......2-1 Adjusting the brake lever free Operation and important riding play ..........7-18 Description ........3-1 points..........6-1 Adjusting the brake pedal height Left view ..........3-1 Engine break-in.......
  • Page 9 Table of contents Supporting the motorcycle... 7-30 Front wheel........7-31 Rear wheel........7-31 Troubleshooting......7-33 Troubleshooting chart ....7-34 Motorcycle care and storage..8-1 Care ..........8-1 Storage ........... 8-3 Specifications........9-1 Consumer information....10-1 Identification numbers....10-1 Index..........11-1...

  • Page 10: Location Of Important Labels

    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. For Canada...
  • Page 11 Location of important labels For Canada...
  • Page 12 Location of important labels For Canada...
  • Page 13 Location of important labels For Europe...
  • Page 14 Location of important labels For Europe...
  • Page 15 Location of important labels Familiarize yourself with the following pictograms and read the explanatory text. Read the Owner’s manual. Never use on paved roads. Always approved Never carry passengers. helmet and protective gear. Use from 6 years old. This unit contains high- Operation of this motorcycle...
  • Page 16 Location of important labels ****...
  • Page 17 Location of important labels For Oceania and South Africa...
  • Page 18 Location of important labels For Oceania and South Africa...

  • Page 19: Safety Information

    Safety information  Never operate a motorcycle with-  The failure of motorists to detect EAU41469 out proper training or instruction. and recognize motorcycles in traf- Take a training course. Beginners fic is the predominating cause of Be a Responsible Owner should receive training from a cer- automobile/motorcycle accidents.
  • Page 20 Safety information  Many accidents involve inexperi-  The posture of the operator is im-  Never wear loose-fitting clothes, enced operators. portant for proper control. The op- otherwise they could catch on the • Make sure that you are qualified erator should keep both hands on control levers, footrests, or wheels and that you only lend your mo-...
  • Page 21 Yamaha, even if sold and way reduce ground clearance or doors, carbon monoxide can rap- installed by a Yamaha dealer.
  • Page 22 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- ...

  • Page 23: Description

    Description EAU32221 Left view 1. Fuel cock (page 4-6) 2. Spark arrester (page 7-12) 3. Rebound damping force adjusting dial (page 4-9) 4. Spring preload adjusting nut (page 4-9) 5. Compression damping force adjusting screw (page 4-9) 6. Shift pedal (page 4-2)

  • Page 24: Right View

    Description EAU32231 Right view 1. Air filter element (page 7-11) 2. Battery (page 7-28) 3. Fuse (page 7-29) 4. Kickstarter (page 4-7) 5. Throttle stop screw (page 7-14) 6. Fuel tank (page 4-3) 7. Engine oil filler cap (page 7-8) 8.

  • Page 25: Controls And Instruments

    Description EAU10431 Controls and instruments 1. Clutch lever (page 4-2) 2. Engine stop switch (page 4-1) 3. Main switch (page 4-1) 4. Starter (choke) knob (page 4-6) 5. Start switch (page 4-1) 6. Front brake lever (page 4-3) 7. Throttle grip (page 7-14) 8.

  • Page 26: Instrument And Control Functions

    Instrument and control functions EAU40341 EWA10073 EAU1234T Main switch Handlebar switches WARNING Never turn the key to “OFF” while Left the vehicle is moving, otherwise the electrical systems will be switched off, which may result in loss of con- trol or an accident. The main switch controls the ignition 1.

  • Page 27: Clutch Lever

    Instrument and control functions EAU12672 EAU31642 EAU12876 Engine stop button “ENGINE STOP” Clutch lever Shift pedal Hold this button pushed until the en- gine stops in case of an emergency, such as when the vehicle overturns or when the throttle cable is stuck. EAU12713 Start switch “...

  • Page 28: Brake Lever

    Instrument and control functions EAU12892 EAU12944 EAU13183 Brake lever Brake pedal Fuel tank cap 1. Front brake lever 1. Brake pedal 1. Fuel tank cap The brake lever is located on the right The brake pedal is located on the right To remove the fuel tank cap, turn it side of the handlebar.

  • Page 29: Fuel

    WARNING EAUW4102 Gasoline and gasoline vapors are extremely flammable. To avoid fires Your Yamaha engine was designed to and explosions and to reduce the use unleaded gasoline with a research risk of injury when refueling, follow 1. Fuel tank filler tube octane number of 90 or higher.

  • Page 30: Fuel Tank Breather Hose

    10% (E0, E5, E10 are all acceptable). Gasohol containing methanol is not recommended by Yamaha because it can cause damage 1. Fuel tank breather hose to the fuel system or vehicle perfor-  This mark identifies the recom- Before operating the motorcycle: mance problems.

  • Page 31: Fuel Cock

    Instrument and control functions EAU13563 EAU13601 Fuel cock Starter (choke) knob “ ” This indicates reserve. If you run out of The fuel cock supplies fuel from the fuel while riding, move the lever to this tank to the carburetor(s) while filtering it position.

  • Page 32: Kickstarter

    Instrument and control functions EAU13661 EAUW0485 Kickstarter Seat To remove the seat 1. Remove panel A. (See page 7-6.) 2. Remove the bolt. 3. Remove the bolt that fastens the seat and panel C. 4. Remove the seat by pulling it off. 1.

  • Page 33: Cable Lock (For Europe)

    Instrument and control functions 4. Route one end of the cable EAU53762 EAU14726 Cable lock (for Europe) Adjusting the front fork through the rear wheel, and then Your motorcycle came with an external EWA10181 insert both ends of the cable into WARNING anti-theft device to help prevent unau- the lock assembly and lock it.

  • Page 34: Adjusting The Shock Absorber Assembly

    Instrument and control functions EAUW4222 Spring preload setting: Adjusting the shock absorber Minimum (soft): assembly 14.0 mm (0.55 in) This shock absorber assembly is Standard: 14.0 mm (0.55 in) equipped with a spring preload adjust- Maximum (hard): ing nut, a rebound damping force ad- 4.0 mm (0.16 in) justing dial...
  • Page 35 Instrument and control functions 3. Tighten the locknut to the speci- ifications, however such adjust- fied torque. NOTICE: Always ments are ineffective and may tighten the locknut against the damage the suspension. adjusting nut, and then tighten the locknut to the specified Compression damping force torque.

  • Page 36: Sidestand

    Take the shock The sidestand is located on the left  When turning the damping force absorber assembly to a Yamaha side of the frame. Raise the sidestand adjusting screw in direction (b), it dealer for any service.

  • Page 37: Starting Circuit Cut-Off System

    Instrument and control functions EAUW5000 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. ...
  • Page 38 The neutral switch ma y not be w king. The vehic le should not be rid until checked by a Yamaha dealer. 4 Push the engine stop switch Shift transmission into gear Pull the clutch le ver. Push the star...

  • Page 39: For Your Safety - Pre-Operation Checks

    • If necessary, add recommended oil to specified level. • Check vehicle for oil leakage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hydraulic system. • Check lever free play. • Adjust if necessary. 7-18, 7-20, 7-21 Front brake •...
  • Page 40 • Make sure that operation is smooth. • Check throttle grip free play. Throttle grip 7-14, 7-24 • 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 7-24 •...

  • Page 41: Operation And Important Riding Points

    20 hours of riding. For this reason, you  After every hour of operation, stop understand, ask your Yamaha dealer. should read the following material the engine, and then let it cool for EWA10272 carefully.

  • Page 42: Starting A Cold Engine

    Operation and important riding points 9. When the engine can idle normal- EAUW0504 EAU16641 Starting a cold engine Starting a warm engine ly, turn off the choke. The starting circuit cut-off system will Follow the same procedure as for 10. Confirm the engine is warm by enable starting when: starting a cold engine with the excep- testing throttle response.

  • Page 43: Shifting

    Operation and important riding points 3. Open the throttle gradually, and at EAU16675 ECA10262 Shifting NOTICE the same time, release the clutch  When shifting, press the shift lever slowly. pedal firmly until you feel the 4. At the recommended shift points gear shift is complete.

  • Page 44: Parking

    Operation and important riding points 3. When the motorcycle reaches 16 accident and injury. It could also EAU17173 Parking km/h (10 mph), the engine is about cause engine or drive train dam- When parking, stop the engine, re- to stall or runs roughly, pull the age.

  • Page 45: Periodic Maintenance And Adjustment

    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.

  • Page 46: Periodic Maintenance Chart For The Emission Control System

     From 7000 km (4200 mi) or 18 months, repeat the maintenance intervals starting from 3000 km (1800 mi) or 6 months.  Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and tech- nical skills.

  • Page 47: General Maintenance And Lubrication Chart

     From 7000 km (4200 mi) or 18 months, repeat the maintenance intervals starting from 3000 km (1800 mi) or 6 months.  Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and tech- nical skills.
  • Page 48 Swingarm pivot bearings • Moderately repack with lithium-soap-based grease. • Check chain slack/alignment and condition. Drive chain • Adjust and lubricate chain with Yamaha chain lubricant Every ride or other suitable chain lubricant thoroughly. • Check bearing assemblies for looseness.
  • Page 49 150 hours √ √ • Check operation. Rear suspension link piv- 20 * √ • Lubricate with lithium-soap-based grease. • Apply Yamaha cable lubricant or other suitable cable lu- √ √ √ 21 * Control cables bricant thoroughly. • Check operation.

  • Page 50: Removing And Installing Panels

    Periodic maintenance and adjustment EAU18773 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.

  • Page 51: Checking The Spark Plug

    1. Panel C ating improperly. Do not attempt to 2. Bolt diagnose such problems yourself. In- stead, have a Yamaha dealer check To install the panel 1. Spark plug cap the vehicle. Place the panel in the original position, 2.

  • Page 52: Engine Oil

    Periodic maintenance and adjustment 2. Check the spark plug for electrode To install the spark plug EAUW043C Engine oil erosion and excessive carbon or 1. Clean the surface of the spark The engine oil level should be checked other deposits, and replace it if plug gasket and its mating sur- before each ride.
  • Page 53 Periodic maintenance and adjustment down sufficiently before remov- 3. Remove the engine oil filler cap ing the oil filler cap. and engine oil drain bolt and its [EWA17640] NOTICE: Do not operate the ve- gasket to drain the oil from the hicle until you know that the en- crankcase.
  • Page 54  Make sure that no foreign mate- Yamaha dealer for inspection. rial enters the crankcase. 6. Check the O-ring for damage, and replace it if necessary. 7. Install and tighten the oil filler cap.

  • Page 55: Cleaning The Air Filter Element And Check Hoses

    5. Remove the sponge material from The sponge material should be wet but the air filter element frame. not dripping. Recommended oil: Yamaha foam air filter oil or other 1. Band quality foam air filter oil 2. Air filter case cover 7-11...

  • Page 56: Cleaning The Spark Arrester

    Periodic maintenance and adjustment 8. Install the sponge material onto 10. Install the air filter case cover by EAUW0451 Cleaning the spark arrester the frame, place the air filter ele- installing the band. The spark arrester should be cleaned ment in the original position on the 11.

  • Page 57: Adjusting The Carburetor

    Therefore, most torque. carburetor adjustments should be left to a Yamaha dealer, who has the nec- Tightening torque: essary professional knowledge and ex- Spark arrester cap bolt: 10 N·m (1.0 kgf·m, 7.4 lb·ft) perience.

  • Page 58: Adjusting The Engine Idling Speed

    The engine is warm when it quickly re- obtained as described above, have a play and, if necessary, adjust it as fol- sponds to the throttle. Yamaha dealer make the adjustment. lows. 3. Check the engine idling speed and, if necessary, adjust it to...

  • Page 59: Valve Clearance

    To prevent this from occurring, have your Yamaha dealer check and adjust Tire air pressure the valve clearance at regular intervals. The tire air pressure should be checked and, if necessary, adjusted before each ride.
  • Page 60 Standard tire pressure: Front: cracked, have a Yamaha dealer re- the vehicle may be different, which 100 kPa (1.00 kgf/cm², 15 psi) place the tire immediately. could lead to an accident.

  • Page 61: Spoke Wheels

    Measure the clutch lever free play as Yamaha dealer, who has the note the following points. shown. necessary professional knowl-  Check each wheel for cracks, de- edge and experience.

  • Page 62: Adjusting The Brake Lever Free Play

    Periodic maintenance and adjustment decrease the clutch lever free 7. To increase the clutch lever free EAU22095 Adjusting the brake lever free play, turn the adjusting bolt in di- play, turn the clutch lever free play play rection (b). adjusting nut in direction (a). To Measure the brake lever free play as decrease the clutch lever free shown.

  • Page 63: Adjusting The Brake Pedal Height And Free Play

    1. Loosen the locknut at the brake WARNING EWA10631 pedal. WARNING It is advisable to have a Yamaha 2. To raise the brake pedal, turn the dealer make these adjustments.  After adjusting the brake lever adjusting bolt in direction (a). To...

  • Page 64: Checking The Shift Pedal

    If opera- The front brake pads and the rear tion is not smooth, have a Yamaha brake shoes must be checked for wear dealer check the vehicle. at the intervals specified in the periodic maintenance and lubrication chart.

  • Page 65: Checking The Brake Fluid Level

    Observe Brake fluid may damage painted point that the wear indicator reaches these precautions: surfaces or plastic parts. Always the wear limit line, have a Yamaha clean up spilled fluid immediately. dealer replace the brake shoes as a set. 7-21...

  • Page 66: Changing The Brake Fluid

    Changing the brake fluid Drive chain slack the brake fluid level to gradually go Have a Yamaha dealer change the The drive chain slack should be down. A low brake fluid level may indi- brake fluid at the intervals specified in...
  • Page 67 1. Axle nut EAUW0665 To adjust the drive chain slack 2. Drive chain slack adjusting plate Consult a Yamaha dealer before ad- 3. Position indicator justing the drive chain slack. 4. Tighten the axle nut to the speci- 1. Loosen the brake pedal free play fied torque.

  • Page 68: Cleaning And Lubricating The Drive Chain

    Yamaha dealer at the intervals out, especially when riding in dusty or cated if necessary. If a cable is specified in the periodic maintenance wet areas.

  • Page 69: Checking And Lubricating The Brake And Shift Pedals

    Periodic maintenance and adjustment EAU44276 EAU23144 Recommended lubricants: Checking and lubricating the Checking and lubricating the Brake lever: brake and shift pedals brake and clutch levers Silicone grease The operation of the brake and shift The operation of the brake and clutch Clutch lever: Lithium-soap-based grease pedals should be checked before each...

  • Page 70: Checking And Lubricating The Sidestand

    The swingarm pivots must be lubricat- be checked before each ride, and the sion must be lubricated by a Yamaha ed by a Yamaha dealer at the intervals sidestand pivot and metal-to-metal dealer at the intervals specified in the specified in the periodic maintenance...

  • Page 71: Checking The Front Fork

    [EWA10752] tion. WARNING! To avoid injury, 2. Hold the lower ends of the front have a Yamaha dealer check or re- securely support the vehicle so fork legs and try to move them for- pair it.

  • Page 72: Checking The Wheel Bearings

    If there is play in the wheel • EXTERNAL: Flush with plenty hub or if the wheel does not turn of water. smoothly, have a Yamaha dealer • INTERNAL: Drink large quan- check the wheel bearings. tities of water or milk and im- mediately call a physician.

  • Page 73: Replacing The Fuse

    3. Fully charge the battery before in- EAU23505 Replacing the fuse stallation. NOTICE: When install- Have a Yamaha dealer charge the bat- tery as soon as possible if it seems to ing the battery, be sure to turn have discharged. Keep in mind that the...

  • Page 74: Supporting The Motorcycle

    4. If the fuse immediately blows stand upright. Check that the motorcy- again, have a Yamaha dealer cle is in a stable and level position be- check the electrical system. fore starting any maintenance. A strong wooden box can be placed un- der the engine for added stability.

  • Page 75: Front Wheel

    Periodic maintenance and adjustment 4. Pull the wheel axle out, and then EAU24361 EAU25081 Front wheel Rear wheel remove the wheel. NOTICE: Do not apply the brake after the EAU56231 EAU56610 wheel and brake disc have been removed, otherwise the brake pads will be forced shut.
  • Page 76 Periodic maintenance and adjustment 4. Lift the rear wheel off the ground according to the procedure on page 7-30. 5. Remove the axle nut, and then pull the wheel axle out. 6. Push the wheel forward, and then remove the drive chain from the rear sprocket.

  • Page 77: Troubleshooting

    However, should your motorcycle require any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, experience, and know-how to service the motorcycle properly.

  • Page 78: Troubleshooting Chart

    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.

  • Page 79: Motorcycle Care And Storage

     Genuine Yamaha care and main- matte-finished parts. Brushes quiring lubrication such can scratch and damage the seals, gaskets, and wheel axles.
  • Page 80 Motorcycle care and storage Washing plastic may scratch the wind- will become slippery, which 1. Rinse off any degreaser and spray shield, so be sure to test all could cause loss of control. down the vehicle with a garden cleaning products before gen- Thoroughly clean the surfaces hose.

  • Page 81: Storage

    Motorcycle care and storage  Do not use abrasive polishing 1. Make all necessary repairs and EAU86460 Storage compounds as they will wear perform any outstanding mainte- Always store the vehicle in a cool, dry away the paint. nance. place. If necessary, protect it against ...
  • Page 82 Motorcycle care and storage b. Pour a teaspoonful of engine not available, turn the wheels a lit- oil into the spark plug bore. tle once a month in order to pre- c. Install the spark plug cap onto vent the tires from becoming the spark plug, and then place degraded in one spot.

  • Page 83: Specifications

    Specifications Dimensions: Uncertainty of measurement: Cooling system: 3.0 dB(A) (AUS, AUT, BEL, CHE, CYP, Air cooled Overall length: CZE, DEU, DNK, ESP, FIN, FRA, GBR, Valve train: 1885 mm (74.2 in) (AUS, AUT, BEL, CHE, GLP, GRC, HRV, HUN, IRL, ITA, MTQ, SOHC CYP, CZE, DEU, DNK, ESP, FIN, FRA, NLD, NOR, NZL, POL, PRT, SVK, SVN,...
  • Page 84 Specifications Fuel reserve amount: Speed rating: 0.8 L (0.21 US gal, 0.18 Imp.gal) 130 km/h (81 mph) Carburetor: Front brake: Type × quantity: Type: VM20 × 1 Hydraulic single disc brake Drivetrain: Rear brake: Gear ratio: Type: 1st: Mechanical leading trailing drum brake 2.643 (37/14) Front suspension: 2nd:...

  • Page 85: Consumer Information

    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: 1. Vehicle identification number 1.
  • Page 86 Consumer information EAU48121 Vehicle Emission Control Informa- tion label 1. Vehicle Emission Control Information label The Vehicle Emission Control Informa- tion label is affixed at the location in the illustration. This label shows specifica- tions related to exhaust emissions as required by federal law, state law and Environment Canada.

  • Page 87: Index

    Index Shock absorber assembly, adjusting..4-9 Sidestand ..........4-11 Air filter element and check hoses, Front fork, adjusting ....... 4-8 Sidestand, checking and lubricating..7-26 cleaning ..........7-11 Front fork, checking ......7-27 Spark arrester, cleaning ......7-12 Fuel............4-4 Spark plug, checking ......7-7 Fuel cock ..........4-6 Battery ..........7-28 Specifications .........9-1 Fuel tank breather hose......
  • Page 89 PRINTED IN BRAZIL 2023.06-FAMAS (E)
  • Page 90 PRINTED IN BRAZIL 2023.06-FAMAS (E, F, G)

This manual is also suitable for:

Tt-r125elr 2023Tt-r125lwe 2023Tt-r125l wer 2023

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