Question about 2006 Yamaha TT-R 125L
Leaking gas carburetor overflow.
Posted by Anonymous on
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.
OEM parts for Yamaha
TTR125 dirtbike leaking gas from carburator overflow tube AR15 COM
TTR 125 Fuel Overflow Problem
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Posted on Oct 26, 2016
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Posted on Jan 02, 2017
sounds like two problems. one a possible charging system failure and a carb issue. the carb issue you are haveing is what is a result of a float valve sticking. they can stick or hang open for a couple reasons, either dirt getting into the fuel line, or buildup causeing the vavle to become sticky and not function as well, or a worn float valves wont seal as well. when the float valves dont function and regulate the fuel, the excess goes out the overflow. to correct this the carbs need removed and the float valves inspected for which fault you are encountering.
the headlight drain is most likely caused from a no charge condition. with the bike running above idle. you should be able to get a 13-15volt chargeing voltage while testing at the battery terminals. 90% of the time this is caused from a faulty rectifier/regulator.
Posted on Mar 26, 2009
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
The float may be stuck in the open position...you can try tapping on the bottom of the carb to see if it stops...otherwise you may need to remove the carb bowl to see what is sticking
Posted on Apr 25, 2011
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