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Old 05-19-2014, 12:58 AM
Theon Theon is offline
Motorized Bicycle Elite Member
Join Date: Jan 2014
Location: FNQ Australia
Posts: 1,440
Default Re: Making a custom bike engine

bolt hole spacing is 64mm across the diagonal.
Hole in cases for barrel 52mm.
from crank center to barrel base 60mm.
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