Question about Yamaha TT-R 125 L Motorcycles

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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.

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  • Yamaha Master
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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.
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Posted on May 28, 2017

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Posted on Jan 02, 2017

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SOURCE: need setting for carb. adjuster on bottom of carb

Turn the adjusting screw all the way in until it LIGHTLY seats. Now back it out one and one half turns. Do the same adjustment for the throttle screw on the right side of the carb. You are now back to the stock factory settings.

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Posted on Sep 20, 2009

  • 3567 Answers

SOURCE: My TTR 125 wouldn't start after being idle for

The adjuster tang on the float (in green) rises and falls to maintain fuel level. It pushes on the float needle to stop the flow and drops to let fuel in. Did you loose the needle? If all parts are there, gently bend the tang upward to lower the gas level in the carb.

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Posted on Jun 28, 2009

  • 1 Answer

SOURCE: Yamaha 2001 ttr 250. Bogs above half speed, under load

I have the same problems with my 1999 TTR 250, were you able to find out anything?

Walt
goalhawk@hotmail.com

Posted on Aug 07, 2010

astrawoid
  • 294 Answers

SOURCE: My 2005 yamaha TTR 125

Your float in the bottom of the carb is likely stuck in the up position. The float attaches to a valve that shuts off fuel flow when level is just right. Can you see the little screw at the bottom of the bowl? Do you see the little overflow hose below that? Get a plastic soda bottle, put the outlet of the tiny hose into it. unscrew that little screw a few turns. Do you see fuel coming out? No? then take the back end of a screw driver and tap the bowl of your carb sharply 5 or 6 times. (Make sure the fuel pet **** under the tank is turned on. If you do not see fuel going into your bottle in a minute, shut off fuel at the tank. Screw the bowl drain back in. Remove the larger incoming fuel line that goes from tank to carb and put it into the bottle. Now you will open the petcock a little bit slowly. If you never see fuel come out of the tank, thru that hose, then your screens on the petcock may be clogged. Shut off fuel , Remove the cap on your fuel tank. blow into the line while slowly opening the petcock valve. Hear air bubbling in the tank yet? If you do, shut off valve, remove air pressure from line, point it back into the bottle and reopen the valve. If none of this works, then you need a new petcock valve.

Posted on Nov 29, 2010

astrawoid
  • 294 Answers

SOURCE: Hi, I just bought a stock

Piston rings may be sticking after sitting for so long. It may serve you well to remove the top end, paying special attention to the timing alignment as you do. Visually inspect the piston and rings. ensure the rings can move freely in their grooves. Look at the piston for signs of blow-by. A burned up surface of the piston that extends past the rings onto the skirts. You may simply re-ring this machine and it would solve your problem if you view these problems.

Posted on Dec 09, 2010

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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.
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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.
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Hi, Npautos and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
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.
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Hi, Johanvn and the usual suspects are:
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2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
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.
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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.
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1 Answer

Yahmaha ttr 50 stalls when given 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 blue links below. Good luck and have a wonderful day.
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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.
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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.
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1 Answer

Hi, it appears that the floats are sticking on my 2002 TTR 125L. I have taken the carb off and cleaned it really good numerous times, and I just purchased a new carb rebuilt kit, and replaced it, to no...


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.
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1 Answer

My TTR 125 wouldn't start after being idle for several months. I removed the bowl and cleaned it and the jets, making sure that all of the openings were clear. When I put it back together, though, it leaks...


The adjuster tang on the float (in green) rises and falls to maintain fuel level. It pushes on the float needle to stop the flow and drops to let fuel in. Did you loose the needle? If all parts are there, gently bend the tang upward to lower the gas level in the carb.

A “very helpful” rating for this answer? Thanks!

e037244.gif

Jun 28, 2009 | 2004 Yamaha TT-R 125 L

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