Thread: 80cc engine?
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Old 05-05-2012, 07:17 AM
multipaul multipaul is offline
Motorized Bicycle Senior Member
Join Date: Mar 2012
Location: Germany
Posts: 75
Default Re: 80cc engine?

To get true 80cc the bore would have to be
50,4mm in combination with a 40mm stroke crankshaft and
51,7mm with a 38mm crankshaft.
I've never heard about other strokes in HT engines.

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