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Old 01-26-2014, 10:19 PM
Theon Theon is offline
Motorized Bicycle Elite Member
Join Date: Jan 2014
Location: FNQ Australia
Posts: 1,440
Default Re: Why are the engines called 66cc/80cc need info

That May be the '70 cc' motor with a 45mm piston.
The One with the odd ball piston is the one to really stay away from (GT5?).
If your looking for a motor, try and find 40mm stroke x 47 mm bore.

Last edited by Theon; 01-26-2014 at 10:27 PM.
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