Question about 2002 Yamaha TT-R 250

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Overflow tube from carb pouring out gas - 2002 Yamaha TT-R 250

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  • 376 Answers

Stuck float!! Clean the carbs.

Posted on Oct 01, 2009

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: carb and valve adjustment

Dear Craig,
Presuming that the carb is clean !
It seems that you have either set the float level incorrectly, or allowed the needle to become jammed. The float bowl should a little less than 3/4 full of fuel when the fuel is shut off by the needle and seat.
Check that the needle and seat are working correctly by blowing in the fuel pipe, and then closing the needle by hand. Check that the flow is stopped when the needle is fully raised.
The needle and seat do need to replaced from time to time, but generally last well.
If the needle and seat work, then look at the float level.
Further check to see that the floats are not filling with fuel. If this is the case, then the floats will have to be replaced as most repairs are only temporary.
When the floats are fuel logged the needle will not be raised and fuel flow to the carb will be continuous.

Posted on Feb 14, 2009

raffaiel
  • 209 Answers

SOURCE: 1998 yahmaha warrior overflow tube on carb

adjust the floater of your carburator give at least 2mm space on the top of it when you lift the floater so it will not overflow.

Posted on Apr 15, 2009

  • 320 Answers

SOURCE: Gas leaking from bottom of carb on 90cc ATV

yes there is a tube that goes on it. It hangs straight down about an inch or two past the botom of the 4 wheelers frame. It is for a overflow of gas, which is usally caused by either dirt in the carb holding the float to high and allowing the gas to just run straight thru and out the bottom of the carb or a bent or maladjusted float setting. But since you said it just started, i would suggest this. I have fixed many and many bikes by simply removing the carb bottom and cleaning it with carb cleaner. It onlty takes a small piece of dirt between the float needle to keep the needle from making a good seat in the carb. Clean it well Please be carefull and keep the carb well away from your face as to not get any blowback of cleaner in your eyes(IT BURNS) This should fix your probblem

Let me know

Posted on May 31, 2009

voodoomox
  • 1689 Answers

SOURCE: 87 yz125. gas pours straight through carb

change the needle and make sure its jetting right, check the floats if it is operational. '90 to '95 carbs are compatible, so if you are planning a replacement, you may use those

Posted on Jun 10, 2009

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1 Answer

After engine is started fuel flows out of carb vent tube


Hi, Lou 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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1 Answer

When bike is running , gas is pouring out of the ( breather or overflow ?) tube. what do you think is wrong. thank you.


your floats inside your carburetor sound like they are hung up. try gently but firmly tapping the bowl (bottom of the carb) to see if it helps. if it does help i would still advise taking the carb apart and cleaning it up and inspecting it for debris.

Nov 04, 2015 | GAS Motorcycles

1 Answer

Gas pouring out of overflow tube, gas in crank case


Definitely a carb. clean problem. Gas is more than 6 months old & has float needle stuck. Clean carbs. & always replace the float needle valve assy\'s & bowl gaskets. There is nothing you can put in the gas tank to clean carb correctly.

Jan 20, 2014 | Yamaha Motorcycles

2 Answers

Overflowing Carbs again!!!


recheck and clean /adjust floats pet **** doesnt stop fuel in bowl if floats out of adjustment or valve sticking/debris will allow fuel to constant flow

Jun 04, 2017 | Suzuki Motorcycles

1 Answer

Front carb pouring gas from overflow tube


may be the needle and seat in the carbi

Oct 04, 2010 | 1995 Suzuki VS 800 Intruder

1 Answer

When i try to start my 03-250 ninja gas pours out of the exhaust


you need a carb clean. your float needle valve assambly is not functioning properly. could be something preventing the float needle from closing all the way.

May 10, 2010 | 2008 kawasaki Ninja 250R

2 Answers

When i turn the fuel on to start the bike gas pours out the clear tube that comes from the carb to under the bike some were is this line dis conected or broke or is it something more


it's probably just your overflow from the float. it doesn't connect to anything, it just let the fuel overflow come out when your float level is high. if you turn on the fuel petcock and it starts pouring out, your float needle is sticking. clean the carb and the float needle valve assembly and see what happens.

Dec 30, 2009 | 2003 Yamaha TT-R 125

1 Answer

Gas pouring out bottom of carb won't ping out


Hi and welcome to FixYa,

Gas pouring out is an overflow. The only reason there would be an overflow is when the float activated valve does not close the fuel inlet port. This could be caused by dirt, sand, rust or any foreign material. Fix would call for a carb pulldown, soaking non-rubber parts, and cleaning.

Good luck and thank you for asking FixYa.

Dec 29, 2009 | Yamaha YZ 125 Motorcycles

1 Answer

87 yz125. gas pours straight through carb


change the needle and make sure its jetting right, check the floats if it is operational. '90 to '95 carbs are compatible, so if you are planning a replacement, you may use those

Jun 10, 2009 | 2003 Yamaha YZ 125

3 Answers

Gas leaking from bottom of carb on 90cc ATV


yes there is a tube that goes on it. It hangs straight down about an inch or two past the botom of the 4 wheelers frame. It is for a overflow of gas, which is usally caused by either dirt in the carb holding the float to high and allowing the gas to just run straight thru and out the bottom of the carb or a bent or maladjusted float setting. But since you said it just started, i would suggest this. I have fixed many and many bikes by simply removing the carb bottom and cleaning it with carb cleaner. It onlty takes a small piece of dirt between the float needle to keep the needle from making a good seat in the carb. Clean it well Please be carefull and keep the carb well away from your face as to not get any blowback of cleaner in your eyes(IT BURNS) This should fix your probblem

Let me know

May 31, 2009 | 2005 Yamaha TT-R 125 L

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