Question about 2003 kawasaki KX 125
My 03 kx125 is leaking gas out from the overflow, running and off. the carb is clean and the bike starts first kick. I also installed a new pipe from Kawasaki and it spits a bit of oil from the front cone, also I mixed the gas 32:1 as it is in the service manual, and its bit boggy/smokey. I have done a bit of research about the carb and did try adjusting the float but same thing, thx @
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.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
9. Contaminated fuel tank.
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.
My carb leaks fuel out of the overflow hose at the bottom of my carb
Major problem fuel running out of carb kx 125
03 08 Kawasaki KX 125 250 Service Manual pdf
OEM Parts for Kawasaki
2003 Kawasaki KX125 Owner Manual
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Posted on Feb 28, 2018
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Posted on Jan 02, 2017
recheck the carburator/s main jets, blow them out with compressed air, they could be blocked.
Hope this helps!
Posted on Jul 11, 2009
Well there only one way the fuel can get into the crankcase and that's from the fuel tank. The petcock must be draining and the float needles are not stopping the fuel flow. Do you have a prime position on the petcock? If so do not run the bike in the position. Try topping the tank off with gas and letting it sit for a while and see is the gas has gone down and then check the crankcase and see if there's fuel in it again. i still say its got to be your petcock.
Posted on Sep 29, 2009
Testimonial: "I will try it, thanks!"
Hope you drained the oil and also changed the oil filter.
This problem of cutting off is a carburator/fuel related issue.
I guess the fuel might not be pouring in to the float chambers faster enough.
Try this, remove the air -filter and thn start the engine and as it is about to cut off, block the intake(by your palm) at the carburators and see what happens...taking care not to over block it as the gas may pour out and also flood in the combustion chamber rendering it to shut off due to to much fuel.
If it does respond and stay running thn the problems is tht the carbs are not getting the gas as required and probabley you may have to recheck the float level, the float pin,carb synchro, air-fuel mixture.
Check the pet- c o c k too.
Hope this helps!
Posted on Nov 27, 2009
what are you mixing your gas at? and i would have to say a 5 yr old bike with about 6 hours on the clock is a rare thing to find or 6 hours on a fresh motor build?
How do you ride? Those 2 strokers like wide open keeps things clean.
Let know about the gas
Posted on Mar 21, 2010
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