KX Riders

Maintenance & Technical => KX500 Original => Topic started by: stujordan on August 10, 2014, 09:56:36 AM

Title: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: stujordan on August 10, 2014, 09:56:36 AM
fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!

This is with the bike perfectly vertical....whats going on?
Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: Foxx4Beaver on August 10, 2014, 10:00:08 AM
could be as simple as a grain of sand causing things to stick...a thorough cleaning of the entire carb should be in order regardless...

the other thing, your float valve and/or your float valve seat may very well be worn....try a new OEM float valve, that should cure it...
it's a pretty common thing that wears out.

Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: Foxx4Beaver on August 10, 2014, 10:14:56 AM
just to clarify...try getting a new float valve....what happens over time, is the rubber tip gets worn, and doesn't seat good...

(http://i895.photobucket.com/albums/ac152/foxx4afoxx2/0810141806_zps87593531.jpg) (http://s895.photobucket.com/user/foxx4afoxx2/media/0810141806_zps87593531.jpg.html)
Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: stujordan on August 10, 2014, 11:20:29 AM
Foxx....I first tried cleaning the entire carb with throttle body cleaner and a wire brush...now she works...me and Widow Maker thank u once more :)
Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: Foxx4Beaver on August 10, 2014, 11:23:58 AM
excellent!...glad it was as simple as needing a good cleaning...if it does it again, try a float valve...now roost on!! :mrgreen:
Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: demographic on August 11, 2014, 06:40:21 AM
Sometimes even tapping the float bowl with the handle of a screwdriver can be enough to allow the needle to get seated properly.
Even if that screwdriver trick works though its still worth cleaning the carb properly when you get the time.
Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: Foxx4Beaver on August 11, 2014, 07:25:09 AM
Sometimes even tapping the float bowl with the handle of a screwdriver can be enough to allow the needle to get seated properly.
Even if that screwdriver trick works though its still worth cleaning the carb properly when you get the time.

I did that for a year, along with replacing float valves, and it did work!...but, being the original carb from 95, and having a lot of time on it, the seat was just too far gone...so, after already spending nearly $8k on my build, I figured what was another $300...so I chose the easy way, and just bought a brand new carb...no more tears! :-D
Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: sandblaster on August 11, 2014, 07:27:28 AM
so I chose the easy way, and just bought a brand new carb...no more tears! :-D

Yeah, but your Daddy Warbucks...
(http://showbizgeek.com/wp-content/uploads/2013/01/albert-finney-daddy-warbucks.jpg)
Title: Re: fuel pouring out overflow tubes when I switch on the gas at the tank?!?!?!
Post by: Foxx4Beaver on August 11, 2014, 07:45:24 AM
hehe...yup...

(https://sp.yimg.com/ib/th?id=HN.608009499250394492&pid=15.1&H=113&W=160&P=0)