2011 KTM 250 MXC Spitting Lots of Fuel Out Exhaust Pipe

Lightning78
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6313
Joined
12/12/2007
Location
Huntington Beach, CA US
2011 KTM 250MXC with a 300cc cylinder kit

Worked on a lot of bikes .... especially 2 strokes but never seen something like this. Seems the fuel is flooding into the combustion chamber and not allowing the bike to start.
Havent tore into the bike yet just wanted to see if anyone had a similar problem so i know what things to look for.

Its my cousins bike he says it runs fine once he gets it started but its hard to get started. Strictly fuel (premix) coming out of the exhaust side of the cylinder. I know the first place im checking is the float but any other possible causes?
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Lightning78
Posts
6313
Joined
12/12/2007
Location
Huntington Beach, CA US
5/10/2018 7:22pm
Yea mattyhamz when i turn it over just pushing the kickstarter down it literally squirts fuel out like seriously pissing
slipdog
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10044
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7/25/2009
Location
Nor Cal, CA US
5/10/2018 7:25pm
Lumpy is correct, float is stuck or the tip of the float seat is damaged and the fuel fills up the cases and eventually fills the pipe.

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