runs, then runs high, then stalls with bubbles up the fuel line

dcf11367

New Member
I have been reading allot but have not seen a post like this. I have changed the carb, manifold, manifold gasket. I have two other bike that run great. can not figure this one out. any help would be great.
thanks
Danhttp
 
Check for airleaks. The intake may need an o ring, or use rtv sealant. Make sure the head is on good and tight. and try loosening your gas cap and take it for a spin and see if that helps. These gas caps tend to not vent. My old one didn't, but the one that came with my one gallon tank does. Same type caps but one i had to drill a hole in to get it to vent, the other i didn't.
 
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Care to tell us what engine you have? What carburetor? It would help us offer advice.
Tom
 
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