Thread: Gas Cap
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Old 02-05-2011, 01:43 PM
matthurd matthurd is offline
Motorized Bicycle Elite Member
Join Date: Dec 2010
Location: manchester NH
Posts: 817
Default Re: Gas Cap

it is a venting problem , the rubber ring at the top of the cap can be lifted and you should see a small hole there, if i remember right i read some people didn't have that hole for what ever reason, so they drilled a small hole in the cap themselves, but i could be wrong, i didn't pay too much attention since i hadn't had the problem myself, i'll see if i can find you some links but from what i read that definitely sounds like a venting issue.

edit: here ya go this is the thread i was reading before
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