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Old 07-25-2010, 02:57 AM
BarelyAWake's Avatar
BarelyAWake BarelyAWake is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: Maine
Posts: 7,212
Default Re: DIY tank... even if you can't weld

There's no draw from the carby to suck fuel into the float bowl - only from the float bowl through the jet via the venturi effect, so yer lookin at some kinda fuel pump... which I'm not entirely sure anyone has done bfore w/these engines. Maybe? Probably? *shrug* I've not seen one anyway...

Still, if I hadta do it I'd consider something like a vacuum powered diaphragm pump, common on many small engines.

You'd need to tap off the crankcase or intake manifold for a vacuum fitting, but that'd be a heck of a lot easier than tryin' to keep power going to an electric pump... and while I'm sure they're out there - I've not seen a 'letric one that lil.

Here's some more vacuum fuel pumps... but I dunno the rep of the company:

Last edited by BarelyAWake; 01-25-2014 at 12:56 AM. Reason: dead links
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