Question about Yamaha TTR125 Motorcycles

1 Answer

TTR 125 carburetor leaks out of the overflow tube

Posted by Anonymous on

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1 Answer

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  • Yamaha Master
  • 59,350 Answers

Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
TTR125 dirtbike leaking gas from carburator overflow tube AR15 COM
Carburetor Carb Leaking Gas How to Fix Repair it Motorcycle Honda DIY...
http://www.yamaha-motor.com/assets/service/manuals/2007/LIT-11626-20-01_ttr125all_1961.pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-tt-owners-manuals

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

Posted on Oct 22, 2016

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5 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Benimur

Louie Role

  • 6966 Answers

SOURCE: CARB PROBLEMS TTR 125 06 Reg

Hi,

Offhand, fuel overflow could be brought about by:

  • misadjusted/punctured float; and/or
  • dirt/sand lodged in the fuel inlet valve. Often this fuel inlet valve is a pin with one end pointed (sometimes rubber) and is controlled by the float.
A seized starter plunger would have to be replaced. This problem could have been brought about by:
  • short/jumping contacts of the starter switch;
  • sticking/corroded terminals/contactors of the starting relay.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Posted on Nov 17, 2008

Anonymous

  • 47 Answers

SOURCE: my carburetor is leaking lots of fuel.

it's the float valves either worn got muck in them, most common after bike been laid up for a while, old petrol goes 'gummy' rarely it can be a hold float, so it won't float any more, most unlikely with two gone. if carbs still on bike, hit them with a piece of wood with a hammer, a few moderate taps, that way might free the floats and not damage carbs. failing that it's a strip and clean. if grit and muck in float bowls then drain and clean fuel tank or more **** will just get in.

Posted on Aug 16, 2009

cheap repair

  • 1565 Answers

SOURCE: I have a 2003 TTR 125, Bike runs great but

you need to clean or replace the float valve in the carburator.

Posted on Nov 15, 2010

Brian Meeker

  • 78 Answers

SOURCE: 2003 Yamaha TT-R 125 L valve clearance

valve lash on the intake .003 to .005 inch, .08 to .12 mm,exhaust .004"to.0055 inch,.10 to .14 mm (cold engine).

Posted on Feb 21, 2011

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1 Answer

How to repair the leak


Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://mybikemanuals.com/yamaha/yamaha-tt-owners-manuals
OEM parts for Yamaha
http://www.yamaha-motor.com/assets/service/manuals/2007/LIT-11626-20-01_ttr125all_1961.pdf
TTR125 dirtbike leaking gas from carburator overflow tube AR15 COM
TTR 125 Fuel Overflow Problem

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

Jun 24, 2014 | 2006 Yamaha TT-R 125L

1 Answer

Dies when opening throttle


Hi, Anonymous and the usual suspects are:
1. Idle circuit and transfer ports clogged.
2. Air fuel mixture adjustment too lean.
3. Pilot jet clogged.
4. Faulty accelerator pump.
5. Float level too low.
6. Float bowl contaminated old fuel, water, dirt, rust, etc.
7. Float bowl vent or overflow tube clogged.
8. Fuel flow to carburetor restricted.
9. Intake manifold leak.
10. The gas cap is not venting properly or fuel tank venting system blocked.
11. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
12. Needle and seat stuck closed in the float bowl.
13. Multi carburetors not in sync
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
2006 yamaha ttr 125 dies when give little throttle
hesitation bogging ttr125 TTR
OEM parts for Yamaha
http://www.tjsconcepts.com/ttr225/TTR225_Service_Manual.pdf
http://www.tjsconcepts.com/ttr225/TTR225_Owner_Manual.pdf

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

Apr 22, 2014 | 2003 Yamaha TT-R 225

1 Answer

TT-R 125 E leaks fuel out of the float bowl drain line.


Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
TTR125 dirtbike leaking gas from carburator overflow tube AR15 COM
TTR 125 Fuel Overflow Problem
http://www.yamaha-motor.com/assets/service/manuals/2007/LIT-11626-20-01_ttr125all_1961.pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-tt-owners-manuals

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

Oct 17, 2013 | 2004 Yamaha TT-R 125 E

2 Answers

2006 Yamaha TTR 125E - carb not getting gas


Hi, Kevin always check fuel flow first to isolate the problem area otherwise the usual suspects are:
1. Fuel tank empty.
2. Fuel cap or fuel tank not venting properly.
3. Fuel filter clogged with rust or dirt.
4. Fuel valve/petcock not in the on or reserve position.
5. Vacuum line to fuel valve cracked, broken, pinched, or missing*
6. Fuel valve/petcock clogged or diaphragm cracked, cut or torn*
7. Fuel line from the fuel valve to the carburetor or fuel pump clogged, cracked, pinched, bent, broken, or missing.
8. Fuel pump not working*
9. Fuel line touching cylinder or head causing fuel to boil and vapor lock, repair by rerouting and wrapping line with convoluted tubing.
10. Carburetor inlet clogged.
11. Carburetor float or needle and seat stuck.
12. Carburetor not venting properly overflow line or bowl fitting clogged, pinched, or bent.
* If equipped or applicable.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Dirt Rider Magazine
TTR 125 won start need help TTR
Yamaha TT R125EW Owner Service Manual
OEM parts for Yamaha
Yamaha TT R125E Owner Manual

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

Jun 13, 2013 | 2006 Yamaha TTR 125 E

1 Answer

2006 ttr 50 dies when giving gas


Hi, Jason and the usual suspects are:
1. Idle circuit and transfer ports clogged.
2. Air fuel mixture adjustment too lean.
3. Pilot jet clogged.
4. Faulty accelerator pump.
5. Float level too low.
6. Float bowl contaminated old fuel, water, dirt, rust, etc.
7. Float bowl vent or overflow tube clogged.
8. Fuel flow to carburetor restricted.
9. Intake manifold leak.
10. The gas cap is not venting properly or fuel tank venting system blocked.
11. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
12. Needle and seat stuck closed in the float bowl.
13. Multi carburetors not in sync.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
TTR50 bogs and dies when twisting throttle
http://www.r6messagenet.com/forums/general-motorcycle-talk/93609-bike-idles-but-dies-when-i-give-gas.html
YAMAHA TT R50E Owner Service Manual
OEM parts for Yamaha
Yamaha TT R50E Owner Manual

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

Nov 15, 2012 | 2003 Yamaha TT-R 125

1 Answer

2002 ttr 125 fuel leaking out overflow tube


Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
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.
TTR125 dirtbike leaking gas from carburator overflow tube AR15 COM
TTR 125 Fuel Overflow Problem
YAMAHA TT R125 Owner Service Manual
OEM parts for Yamaha
YAMAHA TT R110E Owner Manual

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

Jul 21, 2012 | 2002 Yamaha TT-R 125

1 Answer

Overflow pipe leaking on carburetor 125 xtz yamaha


Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
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.
Carburetor is leaking gas out of overflow tube need help
carb overflow hose petrol shooting out
http://gigi600.altervista.org/immagini/xt125r/XT%20125%202005_service.pdf
OEM parts for Yamaha
YAMAHA XTZ 125K Owner Manual

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

Apr 19, 2012 | Yamaha XT125 Motorcycles

1 Answer

Ttr225 dies when i give it gas


Hi, Anonymous and the usual suspects are:
1. Idle circuit and transfer ports clogged.
2. Air fuel mixture adjustment too lean.
3. Pilot jet clogged.
4. Faulty accelerator pump.
5. Float level too low.
6. Float bowl contaminated old fuel, water, dirt, rust, etc.
7. Float bowl vent or overflow tube clogged.
8. Fuel flow to carburetor restricted.
9. Intake manifold leak.
10. The gas cap is not venting properly or fuel tank venting system blocked.
11. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
12. Needle and seat stuck closed in the float bowl.
13. Multi carburetors not in sync
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.
2006 yamaha ttr 125 dies when give little throttle
TTR 225 Carb Problems
http://tjsconcepts.com/ttr225/TTR225_Service_Manual.pdf
OEM parts for Yamaha
Yamaha TTR225S Owner Manual

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

Feb 03, 2012 | 2003 Yamaha TT-R 225

1 Answer

Yamaha ttr 125 is there a needle adjustment under bowl and if so what is the setting on it. this is located between the float next to the main fixed jet.


Hi, Gbyrkit the answer to this question is way above my pay grade for this situation, I would call or visit my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry.
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.
TTR 125 Float level
TTR125 dirtbike leaking gas from carburator overflow tube AR15 COM
YAMAHA TT R125 Owner Service Manual
OEM parts for Yamaha
YAMAHA TT R110E Owner Manual

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

Nov 10, 2010 | Yamaha TT-R 125 L Motorcycles

1 Answer

Fuel leak underneath bike


Most likely comes from the carburetor's overflow tube.Start looking in there to rule out the possibility of overflowing.If it is so you need carbs cleaning and adjusting.

Jun 06, 2009 | 2000 Honda NSR 125

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