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Old 07-22-2009, 08:20 AM
HT2005 HT2005 is offline
Motorized Bicycle Elite Member
Join Date: Aug 2008
Location: Long Island, NY
Posts: 149
Default Re: Goodbye 2 stroke!

If the 66cc was vibrating throughout the rpm range, then it is severely out of balance or the crankshaft is probably bent. You should contact your vendor if it was that bad. Your engine could be defective.
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