Yamaha TTR 125 2020 Owner'S Manual Download Page 28

Page: 28 / 86

Instrument an

control functions

4-11

EAU15397

Startin

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.

TIP



This check is most reliable if per-
formed with a warmed-up engine.



See pages 4-1 and 4-1 for switch
operation information.

U2PT17E0.book Page 11 Monday, March 30, 2020 2:13 PM

Summary of Contents for TTR 125 2020

Page 1: ...PRINTED IN BRAZIL 2020 04 JC E TT R125LWE 2PT F8199 17 LIT 11626 34 46...

Page 2: ...r 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 hands frequently...

Page 3: ...al contains the most cur rent product information available at the time of printing there may be minor discrepancies between your motorcycle and this manual If there is any question concerning this ma...

Page 4: ...E 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...

Page 5: ...ntial personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A WARNING indicates a hazardous situation which if not avoided could result in death or...

Page 6: ...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 i...

Page 7: ...he spark plug 7 7 Engine oil 7 8 Cleaning the air filter element and check hoses 7 10 Cleaning the spark arrester 7 12 Adjusting the carburetor 7 13 Adjusting the engine idling speed 7 13 Adjusting th...

Page 8: ...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 MOTORCYCL...

Page 9: ...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 labe...

Page 10: ...Location of important labels 1 2 1 U2PT17E0 book Page 2 Monday March 30 2020 2 13 PM...

Page 11: ...on Failure to inspect or maintain the vehi cle properly increases the possibility of an accident or equipment damage See page 5 1 for a list of pre operation checks This motorcycle is designed for off...

Page 12: ...s are the result of head in juries The use of a safety helmet is the single most critical factor in the pre vention or reduction of head injuries Always wear an approved helmet Wear a face shield or g...

Page 13: ...genuine Yamaha accessories recog nize that some aftermarket accesso ries or modifications are not suitable because of potential safety hazards to you or others Installing aftermarket products or havin...

Page 14: ...nstruc tions before transporting the motorcy cle in another vehicle Remove all loose items from the motorcycle Check that the fuel cock if equipped is in the OFF position and that there are no fuel le...

Page 15: ...3 1 3 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 U2PT17E0 book Page 1 Monday March 30 2...

Page 16: ...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 Brake pedal page 4 3 U2PT17...

Page 17: ...utch 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 Fuel tank cap pa...

Page 18: ...e can be started The key cannot be removed EAU45752 OFF All electrical systems are off The key can be removed WARNING EWA10073 Never turn the key to OFF while the vehicle is moving otherwise the elect...

Page 19: ...of the handlebar To disengage the clutch pull the lever toward the handlebar grip To engage the clutch release the lever The lever should be pulled rapidly and released slowly for smooth clutch opera...

Page 20: ...rcycle To apply the rear brake press down on the brake pedal EAU13183 Fuel tank cap To remove the fuel tank cap turn it counterclockwise and then pull it off To install the fuel tank cap insert it int...

Page 21: ...0072 4 Be sure to securely close the fuel tank cap WARNING EWA15152 Gasoline is poisonous and can cause injury or death Handle gaso line with care Never siphon gasoline by mouth If you should swallow...

Page 22: ...rating the motorcycle Check the fuel tank breather hose connection Check the fuel tank breather hose for cracks or damage and replace it if necessary Make sure that the fuel tank breather hose is not...

Page 23: ...in direction b to turn off the starter choke EAU13661 Kickstarter If the engine fails to start by pushing the start switch try to start it by using the kickstarter To start the engine fold out the kic...

Page 24: ...hten the bolts 3 Install the panel TIP Make sure that the seat is properly se cured before riding EAU14726 Adjusting the front fork WARNING EWA10181 Always adjust both fork legs equally otherwise poor...

Page 25: ...Loosen the locknut 2 Turn the adjusting nut in direction a to increase the spring preload Turn the adjusting nut in direction b to decrease the spring preload The spring preload setting is de termine...

Page 26: ...e the same When turning the damping force adjuster in direction b it may click beyond the stated specifica tions however such adjustments are ineffective and may damage the suspension Compression damp...

Page 27: ...ode due to excessive gas pressure Do not deform or damage the cylinder in any way Cylinder damage will result in poor damping performance Do not dispose of a damaged or worn out shock absorber as semb...

Page 28: ...vents in gear engine starts unless the clutch lever is pulled Periodically check the system via the following procedure TIP This check is most reliable if per formed with a warmed up engine See pages...

Page 29: ...idden until checked by a Yamaha dealer 5 Stop the engine 6 Set engine stop switch to run position 7 Shift transmission into gear 8 Pull the clutch lever 9 Push the start switch Does the engine start T...

Page 30: ...Yamaha dealer Before using this vehicle check the following points ITEM CHECKS PAGE Fuel Check fuel level in fuel tank Refuel if necessary Check fuel line for leakage 4 4 Engine oil Check oil level i...

Page 31: ...n condition Lubricate if necessary 7 21 7 23 Wheels and tires Check for damage Check tire condition and tread depth Check air pressure Correct if necessary 7 15 7 16 Brake and shift pedals Make sure t...

Page 32: ...sult in engine overheating must be avoided Howev er momentary full throttle operation under load i e two to three seconds maximum does not harm the engine Each full throttle acceleration should be fol...

Page 33: ...ting the engine move the starter choke back halfway 8 As the engine warms up reduce the choke 9 When the engine can idle normal ly turn off the choke 10 Confirm the engine is warm by testing throttle...

Page 34: ...train which are not designed to withstand the shock of forced shifting EAU16691 To start out and accelerate 1 Pull the clutch lever to disengage the clutch 2 Shift the transmission into first gear 3...

Page 35: ...312 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 Do not park on a slope or on soft ground otherwise...

Page 36: ...performing maintenance unless otherwise specified A running engine has moving parts that can catch on body parts or clothing and electrical parts that can cause shocks or fires Running the engine whil...

Page 37: ...km 3000 mi or 12 months or 150 hours 1 Fuel line Check fuel hoses for cracks or damage Replace if necessary 2 Spark plug Check condition Adjust gap and clean 3 Valve clearance Check and adjust valve c...

Page 38: ...ours 5000 km 3000 mi or 12 months or 150 hours 1 Clutch Check operation Adjust if necessary 2 Front brake Check operation fluid level and for fluid leakage Replace brake pads Whenever worn to the limi...

Page 39: ...t if necessary 13 Brake lever pivot shaft Apply silicone grease lightly 14 Brake pedal pivot shaft Apply lithium soap based grease lightly 15 Clutch lever pivot shaft Apply lithium soap based grease a...

Page 40: ...every four years and if cracked or damaged 20 Rear suspension link piv ots Check operation Lubricate with lithium soap based grease 21 Control cables Apply Yamaha cable lubricant or other suitable cab...

Page 41: ...a panel needs to be removed and installed EAUW3160 Panel A To remove the panel Remove the quick fastener and then take the panel off To install the panel Place the panel in the original position and t...

Page 42: ...eal color when the vehicle is ridden normally If the spark plug shows a distinctly different color the engine could be operating improperly Do not attempt to diagnose such problems yourself Instead ha...

Page 43: ...t in a false reading 2 Start the engine warm it up for several minutes and then turn it off 3 Wait a few minutes until the oil set tles remove the engine oil filler cap wipe the engine oil dipstick cl...

Page 44: ...arts after the engine and exhaust sys tem have cooled down NOTICE ECAW0033 In order to prevent clutch slip page since the engine oil also lubricates the clutch do not mix any chemical additives Do not...

Page 45: ...maintenance and lubrication chart Clean the air filter element more fre quently if you are riding in unusually wet or dusty areas The air filter check hoses must be frequently checked and cleaned if...

Page 46: ...o the air filter case NOTICE Make sure that the air filter element is properly seated in the air filter case The engine should never be operated without the air filter element installed otherwise the...

Page 47: ...1 Remove the spark arrester cap by removing the bolts and then pull the spark arrester out of the muf fler 2 Tap the spark arrester lightly and then use a wire brush to remove any carbon deposits the...

Page 48: ...speed must be checked and if necessary adjusted as follows at the intervals specified in the periodic maintenance and lubrication chart TIP A diagnostic tachometer is needed to make this adjustment 1...

Page 49: ...lay turn the adjusting nut in di rection b 3 Tighten the locknut EAU21403 Valve clearance The valves are an important engine component and since valve clearance changes with use they must be checked a...

Page 50: ...r vehicle Opera tion of an overloaded vehicle could cause an accident Tire inspection The tires must be checked before each ride If a tire tread shows crosswise lines minimum tread depth if the tire h...

Page 51: ...ance durabil ity and safe operation of the vehicle note the following points Check each wheel for cracks de formation and other damage If any damage is found have the wheel inspected by your Yamaha de...

Page 52: ...p steps 4 8 4 Fully turn the adjusting bolt in di rection a to loosen the clutch ca ble 5 Slide the rubber cover back at the clutch cable 6 Loosen the locknut further down the clutch cable 7 To increa...

Page 53: ...r can indicate the presence of air in the hydraulic system If there is air in the hy draulic system have a Yamaha dealer bleed the system before operating the motorcycle Air in the hydraulic system wi...

Page 54: ...e brake pedal free play turn the adjusting nut in direction b WARNING EWAW0031 After adjusting the drive chain slack or removing and installing the rear wheel always check the brake pedal free play If...

Page 55: ...esult in loss of braking ability Observe these precautions Insufficient brake fluid may al low air to enter the brake sys tem reducing braking performance Clean the filler cap before re moving Use onl...

Page 56: ...e and lubrica tion chart In addition have the oil seals of the brake master cylinder and cali per as well as the brake hose replaced at the intervals listed below or whenev er they are damaged or leak...

Page 57: ...oosen the axle nut 3 To tighten the drive chain turn the drive chain slack adjusting plate on each side of the swingarm in direction a To loosen the drive chain turn the adjusting plate on each side o...

Page 58: ...ach ride and the ca bles and cable ends should be lubri cated if necessary If a cable is damaged or does not move smoothly have a Yamaha dealer check or re place it WARNING Damage to the outer housing...

Page 59: ...be lu bricated if necessary Brake pedal EAU43612 Checking and lubricating the brake and clutch levers Brake lever Clutch lever The operation of the brake and clutch levers should be checked before ea...

Page 60: ...be checked as follows at the intervals specified in the periodic maintenance and lubrication chart To check the condition Check the inner tubes for scratches damage and excessive oil leakage To check...

Page 61: ...ing the wheel bearings The front and rear wheel bearings must be checked at the intervals specified in the periodic maintenance and lubrica tion chart If there is play in the wheel hub or if the wheel...

Page 62: ...pped with op tional electrical accessories NOTICE ECA16522 To charge a VRLA Valve Regulated Lead Acid battery a special con stant voltage battery charger is re quired Using a conventional battery char...

Page 63: ...Since this model is not equipped with a centerstand follow these precautions when removing the front and rear wheel or performing other mainte nance requiring the motorcycle to stand upright Check th...

Page 64: ...en remove the wheel NOTICE Do not apply the brake after the wheel and brake disc have been removed otherwise the brake pads will be forced shut ECA11073 To install the front wheel 1 Lift the wheel up...

Page 65: ...rocedure on page 7 28 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 TIP The drive chain does not need to be dis...

Page 66: ...n or ignition systems for example can cause poor starting and loss of power The following troubleshooting chart represents a quick and easy procedure for checking these vital systems your self However...

Page 67: ...iodic maintenance and adjustment 7 32 7 heaters or furnaces Gasoline or gasoline vapors can ignite or ex plode causing severe injury or prop erty damage U2PT17E0 book Page 32 Monday March 30 2020 2 13...

Page 68: ...lug and check the electrodes 3 Ignition Wipe off with a dry cloth and correct the spark plug gap or replace the spark plug s Have a Yamaha dealer check the vehicle Have a Yamaha dealer check the vehic...

Page 69: ...vices Avoid high pressure detergent applications such as those available in coin operated car washers harsh chemicals including strong acidic wheel cleaners especially on spoke or magne sium wheels h...

Page 70: ...arts After washing 1 Dry the vehicle with a chamois or absorbent towel preferably mi crofiber terrycloth 2 For drive chain equipped models dry and then lubricate it to prevent rust 3 Use a chrome poli...

Page 71: ...orly ventilated room or covering it with a tarp while it is still wet will allow water and humidity to seep in and cause rust To prevent corrosion avoid damp cellars stables because of the presence of...

Page 72: ...ug and then install the spark plug and the spark plug cap 8 Lubricate all control cables piv ots levers and pedals as well as the sidestand and centerstand if equipped 9 Check and correct the tire air...

Page 73: ...Engine oil Recommended brand SAE viscosity grades 10W 40 Recommended engine oil grade API service SG type or higher JASO standard MA Engine oil quantity Oil change 1 00 L 1 06 US qt 0 88 Imp qt Fuel R...

Page 74: ...c 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 Bat...

Page 75: ...IDENTIFICATION NUMBER EAU26401 Vehicle identification number The vehicle identification number is stamped into the steering head pipe Record this number in the space pro vided TIP The vehicle identif...

Page 76: ...dentification 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 1 Key identification number U2PT17E...

Page 77: ...cle 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 o...

Page 78: ...652 Maintenance record Have a Yamaha dealer complete this record when the motorcycle is serviced Maintenance interval Date of service Mileage Servicing dealer name and address Remarks U2PT17E0 book Pa...

Page 79: ...e available at that time for inspection and repairs at such dealer s place of business 2 EMISSION CONTROL SYSTEM WARRANTY Yamaha Motor Corporation U S A also warrants to the ultimate purchaser and eac...

Page 80: ...oil oil filters air filters spark plugs and brake shoes Q Is the warranty transferable to second owners A Yes The remainder of the existing warranty can be transferred upon request The unit has to be...

Page 81: ...overed repairs There s no deductible to pay and repairs aren t pro rated You don t have any out of pocket expenses for covered repairs In addition Travel and Recreation Interruption Protection TRIP is...

Page 82: ...d 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 Y E S co...

Page 83: ...ers 10 1 K Key identification number 10 2 Kickstarter 4 6 L Labels location 1 1 M Main switch 4 1 Maintenance and lubrication periodic 7 3 Maintenance emission control system 7 2 Maintenance record 10...

Page 84: ...U2PT17E0 book Page 2 Monday March 30 2020 2 13 PM...

Page 85: ...right right out of the box 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 engine...

Page 86: ...PRINTED IN BRAZIL 2020 04 JC E TT R125LWE 2PT F8199 17 LIT 11626 34 46...

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