2006 CRF230F Carb drain hose leaking


5 replies to this topic
  • pbeeny

Posted 06 February 2011 - 05:21 AM

#1

I jetted my bike yesterday with the DynoJet kit stage two(1176)and it runs absolutely great!
The problem is, fuel keeps leaking from the carb drain hose. I never noticed this before so I'm not sure if I did anything to cause it.
From what I've read it sounds like a stuck float. Any suggestions on fixing this? I was thinking about spraying carb cleaner in the fuel line and let it sit for a while and then tap the carb with the handle of a screw driver.
Wondering if I should just bite the bullet and take it to the dealer and have them rebuild it. Any suggestions?

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  • William1

Posted 06 February 2011 - 06:23 AM

#2

Either you bent the float tang, causing it to be too high (check per service manual) or it is just sticking. Try gently rapping on the float bowl with a screw driver handle to see if that frees it up. Gentlle now!

  • pbeeny

Posted 06 February 2011 - 08:06 AM

#3

Either you bent the float tang, causing it to be too high


Just curious how I could have bent the float tang. When I replaced the stock jet, the needle jet holder came out and i gently screwed it back in and then installed the new main jet. The slide and fuel needle went in smooth.

Yeah, I tried tapping with the bowl full of fuel with no luck. I was hoping the carb cleaner through the fuel line would do the trick.

  • wanawakeboard

Posted 06 February 2011 - 08:24 AM

#4

hop on the bike and run it through a few bumps and jumps, if its stuck it will bounce free... if not take the bowl off and check the needle seat over the float...

  • pbeeny

Posted 06 February 2011 - 01:25 PM

#5

Pulled off the float bowl and problem solved! Turns out when I reinstalled the needle jet holder the main jet (white plastic piece with groove) got pushed out of alignment and kind of jammed. Once reseated properly I resembled carb and no more leaking.

Jetting really made a noticeable difference in throttle response and overall smoothness. Now I have to wait for the snow to melt before taking her for a test run.

Thanks all!

  • pbeeny

Posted 13 February 2011 - 06:00 AM

#6

Spoke too soon. Started leaking again and found the real cause. Their was a ball of varnish blocking the float valve from closing the hole. Hit it with carb cleaner and problem solved!




 
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