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Dellorto overflowing

PostPosted: Sun Jun 29, 2014 6:38 pm
by Wack
I'm running a VHSB 39 with all new internals but on the overrun fuel is poring out of the overflows. I've stripped it and everything seems fine running a 3.5 fuel valve. The scoot doesn't leak when stood or riding under power just floods on the overrun after a blast. Any ideas?

Re: Dellorto overflowing

PostPosted: Tue Jul 01, 2014 12:45 pm
by Fat Trucker
Sounds like the float is sticking open at some point, but somebody else may have a better idea.

Re: Dellorto overflowing

PostPosted: Tue Jul 08, 2014 5:46 pm
by St George
Sounds like it is stuck open. Can you adjust the float on that model ? You will find that a 350 will let gallons into the carb, will need a fine balance.