I bought a China motor

Inf3ct3d89

New Member
Apr 30, 2018
22
1
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32
I beleve it has a 40mm piston, can I change the barrel and piston to 47 without changing the crank?
 

crassius

Well-Known Member
Sep 30, 2012
4,032
157
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USA
cases for 40mm piston have a hole on top for cylinder to go in - cylinder for 47mm piston are also 47mm wide on inside, that makes the cylinder too wide to go into the hole in cases