Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Yamaha TTR 125 2020
Summary of Contents for Yamaha TTR 125 2020
- Page 1 TT-R125LWE LIT-11626-34-46 2PT-F8199-17...
- Page 2 EAU10045 Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your...
- Page 3 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 4 STERS AND OFF-HIGHWAY MOTORCYCLES” and the “TIPS AND PRACTICE GUIDE FOR THE OFF HIGHWAY MOTORCYCLIST” booklets supplied with this motorcycle when new or available from your Yamaha dealer. Children differ in skills, physical abilities, and judgment. Some children may not be able to operate a motorcycle safely. Parents should supervise their child’s use of the motorcycle at all times.
- Page 5 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 6 Important manual information EAUW0712 TT-R125LWE OWNER’S MANUAL ©2020 by Yamaha Motor Corporation, U.S.A. 1st edition, April 2020 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, U.S.A. is expressly prohibited. Printed in Brazil.
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Page 7: 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 8 Storage ........... 8-3 Specifications........9-1 Consumer information....10-1 Identification numbers....10-1 Motorcycle noise regulation ..10-3 Maintenance record ..... 10-4 YAMAHA MOTOR CORPORATION, U.S.A. 2020 AND LATER MODEL OFF-ROAD MOTORCYCLE LIMITED WARRANTY....10-5 YAMAHA EXTENDED SERVICE (Y.E.S.) ........10-7 Index..........11-1...
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Page 9: 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. - Page 10 Location of important labels...
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Page 11: 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 12 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 13 Yamaha, even if sold and way reduce ground clearance or doors, carbon monoxide can rap- installed by a Yamaha dealer.
- Page 14 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- ...
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Page 15: Description
Description EAU32221 Left view 1. Fuel cock (page 4-5) 2. Spark arrester (page 7-12) 3. Shock absorber assembly spring preload adjusting ring (page 4-8) 4. Shift pedal (page 4-2) -
Page 16: Right View
Description EAU32231 Right view 1. Air filter element (page 7-10) 2. Battery (page 7-26) 3. Fuse (page 7-28) 4. Kickstarter (page 4-6) 5. Throttle stop screw (page 7-13) 6. Fuel tank (page 4-3) 7. Engine oil filler cap (page 7-8) 8. -
Page 17: 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 18: Instrument And Control Functions
Instrument and control functions EAU40341 EWA10073 EAU1234R 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 19: 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 20: 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 21: Fuel
WARNING bottom of the filler tube. Because Gasoline is poisonous and can Your Yamaha engine has been de- fuel expands when it heats up, cause injury or death. Handle gaso- signed to use regular unleaded gaso- heat from the engine or the sun line with care. -
Page 22: Fuel Tank Breather Hose
10% (E10). Gas- ohol containing methanol is recommended by Yamaha because it can cause damage to the fuel system 1. Fuel tank breather hose or vehicle performance problems. -
Page 23: Starter (Choke) Knob
Instrument and control functions EAU13601 EAU13661 Starter (choke) knob “ ” Kickstarter This indicates reserve. If you run out of fuel while riding, move the lever to this position. Fill the tank at the first oppor- tunity. Be sure to set the lever back to “ON”... -
Page 24: Seat
Instrument and control functions EAUW0483 EAU14726 Seat Adjusting the front fork EWA10181 WARNING To remove the seat 1. Remove panel A. (See page 7-6.) Always adjust both fork legs equally, 2. Remove the bolt. otherwise poor handling and loss of 3. -
Page 25: Adjusting The Shock Absorber Assembly
Instrument and control functions EAUW4221 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 26 Instrument and control functions 3. Tighten the locknut to the speci- tions, however such adjustments fied torque. NOTICE: Always are ineffective and may damage tighten the locknut against the the suspension. adjusting nut, and then tighten the locknut to the specified Compression damping force torque.
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Page 27: 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 adjuster in direction (b), it may dealer for any service. -
Page 28: Starting Circuit Cut-Off System
Instrument and control functions EAU15397 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 29 Does the engine start? The neutral switch may not be working. The vehicle should not be ridden until checked by a Yamaha dealer. 5. Stop the engine. 6. Set engine stop switch to run position. 7. Shift transmission into gear.
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Page 30: 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. Front brake •... - Page 31 • Make sure that operation is smooth. • Check throttle grip free play. Throttle grip 7-14, 7-23 • 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 7-23 •...
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Page 32: 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 33: 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 34: Shifting
Operation and important riding points 4. Once the motorcycle has reached EAU16674 ECA10261 Shifting NOTICE a speed high enough to change Even with the transmission in gears, close the throttle, and at the the neutral position, do not same time, quickly pull the clutch coast for long periods of time lever in. -
Page 35: Parking
Operation and important riding points EAU17173 Parking When parking, stop the engine, re- move the key from the main switch, and then turn the fuel cock lever to the off position. EWA10312 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. -
Page 36: 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 37: 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 38: 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 39 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 40 150 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.
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Page 41: 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 42: Checking The Spark Plug
Do not Clean the surface of the spark plug attempt to diagnose such problems gasket and its mating surface, and yourself. Instead, have a Yamaha deal- then wipe off any grime from the spark 1. Panel C er check the vehicle. -
Page 43: Engine Oil
Periodic maintenance and adjustment moving the oil filler cap. EAUW043B [EWA17640] Engine oil NOTICE: Do not operate the ve- If a torque wrench is not available The engine oil level should be checked hicle until you know that the en- when installing a spark plug, a good before each ride. - Page 44 Periodic maintenance and adjustment 3. Remove the engine oil filler cap and engine oil drain bolt and its Be sure to wipe off spilled oil on any gasket to drain the oil from the parts after the engine and exhaust sys- crankcase.
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Page 45: Cleaning The Air Filter Element And Check Hoses
Yamaha dealer for inspection. 1. Air filter element Cleaning the air filter element 2. Nut 1. Remove panel A. (See page 7-6.) 3. - Page 46 Recommended oil: piston(s) and/or cylinder(s) may Yamaha foam air filter oil or other become excessively worn. quality foam air filter oil [ECA10482] 7-11...
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Page 47: Cleaning The Spark Arrester
Periodic maintenance and adjustment 3. Insert the spark arrester into the EAUW0451 Cleaning the spark arrester muffler, install the spark arrester The spark arrester should be cleaned cap and the bolts, and then tight- at the intervals specified in the periodic en the bolts to the specified maintenance and lubrication chart. -
Page 48: Adjusting The Carburetor
Therefore, most checked and, if necessary, adjusted as carburetor adjustments should be left follows at the intervals specified in the to a Yamaha dealer, who has the nec- periodic maintenance and lubrication essary professional knowledge and ex- chart. -
Page 49: Adjusting The Throttle Grip Free Play
To prevent this from occurring, have your Yamaha dealer check and adjust the valve clearance at regular intervals. This service must be performed when 1. Throttle grip free play the engine is cold. -
Page 50: Tires
Safety in all con- has a nail or glass fragments in it, or if ditions of riding depends on a relatively the sidewall is cracked, have a Yamaha Standard tire pressure: small area of road contact. Therefore, it Front: dealer replace the tire immediately. -
Page 51: Spoke Wheels
EWA14391 the wheel adjusted by your WARNING Yamaha dealer. Improperly tight- Have a Yamaha dealer replace ened spokes can cause wheel excessively worn tires. Operat- misalignment. ing the motorcycle with exces- Have the wheel balanced whenev-... -
Page 52: Adjusting The Clutch Lever Free Play
Periodic maintenance and adjustment decrease the clutch lever free 7. To increase the clutch lever free EAU22038 Adjusting the clutch 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 clutch lever free play as decrease the clutch lever free shown. -
Page 53: Adjusting The Brake Lever Free Play
3. Tighten the locknut. WARNING shown. EWA10631 WARNING It is advisable to have a Yamaha dealer make these adjustments. After adjusting the brake lever free play, check the free play Brake pedal height and make sure that the brake is The top of the brake pedal should be working properly. -
Page 54: Checking The Front Brake Pads And Rear Brake Shoes
0.8 mm After adjusting the drive chain must be adjusted. (0.03 in), have a Yamaha dealer replace slack or removing and installing the brake pads as a set. the rear wheel, always check Brake pedal free play the brake pedal free play. -
Page 55: Checking The Brake Fluid Level
If a brake shoe has worn to the lock. point that the wear indicator reaches EWA15991 the wear limit line, have a Yamaha WARNING ECA17641 NOTICE dealer replace the brake shoes as a Improper maintenance can result in set. -
Page 56: 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 57 1. Axle nut EAUW0664 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.
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Page 58: 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 59: Checking And Lubricating The Brake And Shift Pedals
Periodic maintenance and adjustment EAU44276 EAU43612 Recommended lubricant: Checking and lubricating the Checking and lubricating the Lithium-soap-based grease brake and shift pedals brake and clutch levers The operation of the brake and shift Brake lever pedals should be checked before each ride, and the pedal pivots should be lu- bricated if necessary. -
Page 60: Checking And Lubricating The Sidestand
WARNING! To avoid injury, have a Yamaha dealer check or re- sidestand pivot and metal-to-metal securely support the vehicle so pair it. -
Page 61: Checking The Steering
This model is equipped with a VRLA ward and backward. If any free (Valve Regulated Lead Acid) battery. play can be felt, have a Yamaha There is no need to check the electro- dealer check or repair the steer- lyte or to add distilled water. However, ing. - Page 62 3. Fully charge the battery before in- stallation. NOTICE: When install- ways shield your eyes when Have a Yamaha dealer charge the bat- working near batteries. In case tery as soon as possible if it seems to ing the battery, be sure to turn of contact, administer the fol- have discharged.
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Page 63: Replacing The Fuse
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 64: Front Wheel
Periodic maintenance and adjustment a jack either under each side of the 4. Pull the wheel axle out, and then EAU24361 Front wheel remove the wheel. NOTICE: Do frame in front of the rear wheel or under each side of the swingarm. not apply the brake after the EAU56231 wheel and brake disc have been... -
Page 65: Rear Wheel
Periodic maintenance and adjustment 4. Lift the rear wheel off the ground EAU25081 Rear wheel according to the procedure on page 7-28. EAU56610 5. Remove the axle nut, and then pull the wheel axle out. 6. Push the wheel forward, and then To remove the rear wheel remove the drive chain from the EWA10822... -
Page 66: Troubleshooting
However, should your motorcycle 2. Install the drive chain onto the rear require any repair, take it to a Yamaha sprocket, and then adjust the dealer, whose skilled technicians have drive chain slack. (See page 7-21.) the necessary tools, experience, and 3. - Page 67 Periodic maintenance and adjustment heaters or furnaces. Gasoline or gasoline vapors can ignite or ex- plode, causing severe injury or prop- erty damage. 7-32...
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Page 68: 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 69: Motorcycle Care And Storage
NOTICE: Do not use cleaning compounds, or wax on areas. Genuine Yamaha care and main- matte-finished parts. Brushes degreasing agent on areas re- can scratch and damage the quiring... - Page 70 Motorcycle care and storage Washing windshield. Additionally, some ply silicone or oil spray to seats, 1. Rinse off any degreaser and spray cleaning compounds for plastic hand grips, rubber foot pegs or down the vehicle with a garden may scratch the windshield, so tire treads.
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Page 71: Storage
Motorcycle care and storage 1. Make all necessary repairs and ECA26320 EAU84440 Storage NOTICE perform any outstanding mainte- Always store the vehicle in a cool, dry Do not apply wax to rubber or nance. place. If necessary, protect it against unpainted plastic parts. - Page 72 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.
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Page 73: Specifications
Specifications Dimensions: Fuel tank capacity: Starting system: Electric starter and kickstarter 6.0 L (1.6 US gal, 1.3 Imp.gal) Overall length: Engine oil: Fuel reserve amount: 1885 mm (74.2 in) 0.8 L (0.21 US gal, 0.18 Imp.gal) Overall width: Recommended brand: Carburetor: 795 mm (31.3 in) Type ×... - Page 74 Specifications Manufacturer/model: IRC/IX05H Speed rating: 130 km/h (81 mph) Front brake: Type: Hydraulic single disc brake Rear brake: Type: Mechanical leading trailing drum brake Front suspension: Type: Telescopic fork Rear suspension: Type: Swingarm (link suspension) Electrical system: System voltage: 12 V Battery: Model: GT4L-BS...
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Page 75: Consumer Information
The model label is affixed to the loca- Record this number in the space pro- tion shown. Record the information on vided. this label in the space provided. This MODEL LABEL INFORMATION: information will be needed when order- ing spare parts from a Yamaha dealer. 10-1... - Page 76 Consumer information EAU26391 Key identification number 1. Key identification number The key identification number is stamped into the key. Record this number in the space provided and use it for reference when ordering a new key. 10-2...
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Page 77: Motorcycle Noise Regulation
Consumer information EAU26561 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. -
Page 78: Maintenance Record
Consumer information EAU26652 Maintenance record Have a Yamaha dealer complete this record when the motorcycle is serviced. Maintenance Date of Servicing dealer Mileage Remarks interval service name and address 10-4... -
Page 79: Yamaha Motor
Consumer information EAU61834 YAMAHA MOTOR CORPORATION, U.S.A. 2020 AND LATER MODEL OFF-ROAD MOTORCYCLE LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. hereby warrants that SPECIFIC EXCLUSIONS from this warranty shall motorcycle dealer. In order for this warranty to remain in new Yamaha off-road motorcycles purchased from an... - Page 80 Consumer information Q. What costs are my responsibility during the warranty period? If your machine requires warranty service, you must take it to any authorized Yamaha A. The customer’s responsibility includes all costs of normal maintenance services, non Motorcycle dealer within the continental United States. Be sure to bring your warranty warranty repairs, accident and collision damages, and oil, oil filters, air filters, spark registration card or other valid proof of the original date of purchase.
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Page 81: Yamaha Extended Service (Y.e.s.)
This excellent Y.E.S. plan coverage is only available to warranty. See the sample contract at your Yamaha Yamaha owners like you, and only while your Yamaha is still dealer to see how comforting uninterrupted factory- within the Yamaha Limited Warranty period. So visit your backed protection can be. - Page 82 TRIP coverage right away, and you’ll rest easy knowing you’ll have strong factory-backed protection even after your Yamaha Limited Warranty expires. A special note: If visiting your dealer isn’t convenient, contact Yamaha with your VIN number and we’ll be happy to help you get the YAMAHA EXTENDED SERVICE Y.E.S.
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Page 83: Index
Index Front fork, checking ......7-25 Sidestand..........4-10 Fuel ............4-4 Sidestand, checking and lubricating ..7-25 Air filter element and check hoses, Fuel cock..........4-5 Spark arrester, cleaning......7-12 cleaning ..........7-10 Fuel tank breather hose ......4-5 Spark plug, checking......7-7 Fuel tank cap.......... - Page 85 Yamalube – Take care of your Yamaha with legendary Yamalube oils, lubricants, and care products. They’re formulated and approved by the toughest judges we know: the Yamaha engineering teams that know your Yamaha from the inside out.
- Page 86 PRINTED IN BRAZIL 2020.04-JC (E)