99wr400 Float leaking

3 replies to this topic

Posted November 17, 2006 - 08:38 AM



I got a leaking float chamber. I believe the the problem was from the o-ring on the float needle housing, I replaced this with another o-ring from the hardware store since the stealership wanted $50 for the needle, needle housing, oring, and screw. I have placed the needle in the housing and blew through it and it is air tight so I believe the needle and the seating are in good shape. I have checked the float and it too is air tight. I have measured the 9mm that the manual states for the float spacing. I've double checked and made sure the float isn't restricted or stuck. when I replaced the o-ring I assembled the carb back teh way the clymer manual instructed me to. I placed the carb on the bike in the same fashion and turned the fuel on. I watched with the drain hose off to look for leaks. waited a few minutes, no leaks, kicked her over, she went over first kick, Let her run with the choke and went to grab my jacket and as I was coming back to the bike she bogged out and died and I saw the float drain leaking gas. Please give me your opinion on what I shoud do. I'm off to the stealership to buy the OEM assembly for $50 and I'd like to make sure that does it, I don't want to be shotgunning my bike with expensive parts thinking it is the fix. So please chime in and let me know.


Posted November 20, 2006 - 12:58 PM


Never mind figured her out, thanks for all the help, couldn't have done it without you guys. Thanks a million.

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  • SXP

Posted November 20, 2006 - 04:13 PM


Never mind figured her out, thanks for all the help, couldn't have done it without you guys. Thanks a million.

Sarcasm aside, what was the problem?


Posted November 21, 2006 - 03:26 PM


Problem was the needle, needle seat. I pulled them out inspected them, all was well, replaced O-ring and installed, it continued to leak, not seal. Paid $50 for new needle, needle housing, O-ring, from the stealership and it fixed the problem, something I thought it would do, but $50 for what I thought was only an O-ring problem was WAY too much, went to get the o-ring from parts shop, didn't work, thanks for the inquiry.


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