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Old 04-25-2014, 04:53 AM
fischer550 fischer550 is offline
Motorized Bicycle Elite Member
Join Date: Mar 2014
Location: Fort Collins, CO
Posts: 233
Default Re: Bought bottom end from Boy Go Fast, should I be worried?

I looked around ebay and I could not find a single 40mm stroke engine, even the few straight heads all said 38mm
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