GT5 - PK80 differences

steveanson

New Member
Joined
Sep 26, 2014
Messages
23
Hello, I own one of each, but can anyone really explain (if any) the differences between a GT5 and PK80 Engine? Thanks, Steve
 


MotorBicycleRacing

Well-Known Member
Joined
Jul 3, 2008
Messages
2,327
Different, piston. crank and cylinder.

The wrist pin hole on a GT 5 piston is higher up than a PK 80.
The wrist pin is shorter on a GT 5

The GT 5 cylinder is slightly shorter and has different port shapes.
 
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