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Old 09-06-2010, 04:15 PM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: One of the rings is broken on my bike... how do I get more power from it?

There is an anti-rotation pin on the piston that the ring gap has to line up with.

Now, the real question is how someone who believes they are a mechanic NOT know that they were working with aluminum?!?
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