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Old 02-22-2009, 03:19 PM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: My "Slick" City Touring/Commuter

I think you melted the piston due to a lean condition more than improper break in.

Make sure your next set up run plenty rich, with no air leaks. (something these engines are prone to.)
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