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Old 07-06-2012, 04:33 PM
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donphantasmo donphantasmo is offline
Motorized Bicycle Elite Member
Join Date: Oct 2010
Location: Middleburg, FL
Posts: 359
Default Re: Difference in petcock valve positions?

um... Just like it says. Off is closed. Up and down is to feed the carburator. Reserve just picks up the fuel from a lower part of the tank. It gets more gunk in the tank, but you get some extra mileage out of it.
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