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Old 07-01-2008, 11:31 PM
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jasonh jasonh is offline
Motorized Bicycle Elite Member
Join Date: Jun 2008
Location: Longmont, CO
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Default Re: My petcock broke....

since it's a gravity-fed carb, it's not unlikely to think that you have more fuel flowing with the ability to flow more quickly, thus exerting more force on the carb i.e. higher fuel pressure.
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