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Old 06-30-2008, 07:39 AM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: engine vibration

A lot of these engines have a vibration area around the lower to middle rpm. It gets better with miles (like 3-400) Some are worse than others.
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