20 Most Recent 2000 Yamaha DT 125 R Questions & Answers


Hi, Abdoulie and the usual suspects are:
1. Clutch not adjusted properly.
2. Primary chaincase overfilled with lubricant.
3. Corners wore off shifter clutch dogs.
4. Shifter return spring bent or broken.
5. Bent shifter rod.
6. A loose shift lever on shifter shaft.
7. Shifter forks sprung.
8. Shifter pawl needs adjusting.
9. Heel/toe shifter coming in contact with the floorboard.
10. Transmission oil too heavy.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
1974 dt125 shifter problems HELP
Only when hot can find neutral and hard to shift Yamaha R1 Forum YZF R1...
Yamaha DT125 DT125R 1988 2002 Service Repair Workshop Manual Download... $15
https://www.partsfish.com/page/oem-parts-for-yamaha
YAMAHA DT125R Owner Manual

2000 Yamaha DT... | Answered on Oct 01, 2018


Hi, David and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking check for spark leakage in the dark
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Dirty air filter.
10. Intake air leak.
11. Water, dirt, or rust in the fuel system.
12. Carburetor contaminated, sticky float, plugged jets.
13. Carburetor has oil in the bowl due to excessive oil in pre-mix.
14. Carburetor vacuum diaphragm torn, cracked, not seated or installed improperly.
15. Multiple carburetors out of sync.
16. Fuel filter clogged.
17. Old or contaminated fuel.
18. Fuel tank vent system plugged or carb vent line closed off.
19. Gas cap diaphragm valve faulty.
20. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
21. Carburetor controls misadjusted.
22. Incorrect valve timing.
23. Valve springs floating, weak, or broken.
24. Damaged intake or exhaust valve.
25. Incompatible performance parts.
26. The control module may be in "LIMP" mode
27. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
https://www.visordown.com/forum/workshop/yamaha-dt125r-engine-problems
Why is the engine bogging under acceleration Suzuki FA50 Moped
Yamaha DT125 DT125R 1988 2002 Workshop Repair Service Manual Download... $15
https://www.partsfish.com/page/oem-parts-for-yamaha
YAMAHA DT125R Owner Manual

2000 Yamaha DT... | Answered on Jul 07, 2018


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
front sprocket nut removal turn lefty loosey CBR Forum Enthusiast forums...
Removing transmission sprocket nut use torch Harley Davidson Forums
Yamaha DT125RE 2005 Service Manual
OEM parts for Yamaha
YAMAHA DT125R Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on May 02, 2017


Hi, Anonymous sorry you can't find the first and best tool you ever bought for your Yamaha despair, not for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
VERY IMPORTANT TWO STROKE THROTTLE CABLE ADJUST TIPS
Dirt Bike Throttle Cable Installation
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
Honda Parts Finder Yamaha Parts Finder Kawasaki Parts Finder Suzuki Parts...
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e



2000 Yamaha DT... | Answered on Mar 12, 2017


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $ you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Wiring diagram for 2000 Yamaha dt125r Google Search
Yamaha Motorcycle Wiring Diagrams
Yamaha DT125RE 2005 Service Manual
OEM parts for Yamaha
YAMAHA DT125R Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Mar 06, 2017


Hi, Andy your oil tank may be overfilled for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
http://www.raptorforum.com/forums/66-raptor-660-maintenance/17542-help-oil-coming-out-crank-case-breather-help.html
DT125 oil
YAMAHA DT125R Owner Manual
OEM parts for Yamaha
Yamaha DT125 DT125R 1988 2002 Workshop Repair Service Manual Download...

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Jan 08, 2017


Hi, Anonymous and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
dt175 won rev above 7k Yamaha 2 Stroke
question 2 stroke bike refuses to rev past 6k rpm motorcycles
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
YAMAHA DT125R Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Aug 01, 2016


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
https://yamahaclub.com/forums/topic/32738-dtr-125-help-again-please
Idle mixture adjustment air or fuel screw adjustment
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2000 Yamaha DT... | Answered on Jul 28, 2016


SOUNDS LIKE IT COULD BE THE SAFETY SWITCH FOR THE KICK STAND ,IF THE SWITCH HAS BEEN DAMAGED IT WILL START UP FINE AND WHEN PUT IN TO GEAR AND CLUTCH IS RELEASED IT WILL DIE.(This is a safety feature)

If that don't fix,Please post back

Please rate this fixya solution

2000 Yamaha DT... | Answered on Apr 17, 2016


Hi, Jason for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. Good luck and have a nice day.
Big one and dep exhaust systems dtr 125
https://www.youtube.com/watch?v=SeURiw9IXmg
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2000 Yamaha DT... | Answered on Mar 14, 2016


Check the attached links,
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

YAMAHA MANUAL STORE
Motorcycle Owners Manuals MyBikeManuals com
Electrical Testing Shortcuts with Vince Fischelli Part One Battery Testing
Steps to Take When Your Motorcycle Won Start Dennis Kirk Powersports Blog

2000 Yamaha DT... | Answered on Mar 14, 2016


Hi, Glenn sorry you can't find the first and best tool you ever bought for your Yamaha despair, not for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
https://yamahaclub.com/forums/topic/36289-1978-dt-125-did-the-factory-wire-it-this-way
How To Test Stator coil
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2000 Yamaha DT... | Answered on Mar 14, 2016


Hi, Paul sorry you can't find the first and best tool you ever bought for your Yamaha despair, not for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
Dan Motorcycle
dt 125 dismantling the forks part 1
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
OEM parts for Yamaha
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2000 Yamaha DT... | Answered on Mar 14, 2016


Hi, Anonymous for more information about your question and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
Setting up the PowerValve
Power Valves
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
Honda Parts Finder Yamaha Parts Finder Kawasaki Parts Finder Suzuki Parts...
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Mar 14, 2016


Hi, Karen_ksandr for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. Good luck and have a nice day.
Yamaha Motorcycle Paint ColorRite
Bike manufacturers paint code
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
Yamaha Motorcycle Parts Spares From Europes Number 1 MSP
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Mar 13, 2016


Hi, Harry1357 and the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm needs reset
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
https://yamahaclub.com/forums/topic/22525-non-starting-dt125
Dt 125 no spark
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
Yamaha Motorcycle Parts Spares From Europes Number 1 MSP
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Mar 13, 2016


Hi, Mads_anderse for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. Good luck and have a nice day.
Motorcycle Bottom End Rebuild Part 1 of 3 Engine Teardown
http://mybikemanuals.com/yamaha/yamaha-dt
https://www.tradebit.com/filedetail.php/6918351-download-now-yamaha-dt50-dt80-dt50mx-dt80mx
Yamaha Motorcycle Parts Spares From Europes Number 1 MSP
Yamaha DT50R 2007

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2000 Yamaha DT... | Answered on Mar 13, 2016


Hi, Stephen_mell you may have a faulty gasket in the radiator cap and the usual suspects are:
1. Low coolant level.
2. Restricted radiator air flow.
3. Faulty thermostat.
4. Coolant pump or fans inoperative.
5. Vent hose crimped.
6. Air in the coolant.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
https://yamahaclub.com/forums/topic/21295-overheating-dt125r-help-pls
dtr 125 water splashing out
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
Yamaha Motorcycle Parts Spares From Europes Number 1 MSP
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Mar 13, 2016


Hi, Anonymous sorry you can't find the first and best tool you ever bought for your Yamaha despair, not for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
https://yamahaclub.com/forums/topic/27589-dt125r-help-brake-fluid-not-draining-from-reservoirpumped-by-master-cylinder
how to bleed brakes on dirtbike
http://www.motogelnar.cz/manual/YAMAHA/DT125X_RE-05-Service_Manual.pdf
Yamaha Motorcycle Parts Spares From Europes Number 1 MSP
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


2000 Yamaha DT... | Answered on Mar 13, 2016


Hi, Adelalmansoo sorry you can't find the first and best tool you ever bought for your Yamaha despair, not for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below. Good luck and have a nice day.
TWO STROKE AUTOLUBE OIL PUMPS
https://yamahaclub.com/forums/topic/23188-dt125r-dtr-dt125-oil-pump-problem
Yamaha DT 125 problem
Yamaha Motorcycle Manuals
http://www.dt125.cz/download/Owners_Manual-DT125X_RE.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

2000 Yamaha DT... | Answered on Mar 13, 2016

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