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Old 10-17-2008, 08:19 AM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: Vibration rpm limit

Not very easily. If you have knowledge of and ability to perform a balance job, it would help.
These engines are crude and pretty much unbalanced.
They are 40's technology.
They are made in China with little quality control.
They are under 200 bucks.
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