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Lil bobber

New Member
May 21, 2011
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HAWAII
I have a skyhawk-gt-2b 48cc. And I was wondering if I could the pf-80 top half. As a replacment. Because my piston and cylinder head is shot with gauges.

Thanks.
 

2door

Moderator
Staff member
Sep 15, 2008
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Littleton, Colorado
No. The piston/cylinder bore diameter is different. Bore and stroke determine displacement.
If you have a smaller CC engine the piston is smaller than the bigger one. They're not interchangable.
Tom
 

TxBikeRider

New Member
Aug 7, 2010
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Texas
No. The piston/cylinder bore diameter is different. Bore and stroke determine displacement.
If you have a smaller CC engine the piston is smaller than the bigger one. They're not interchangable.
Tom
but if he exchanges both the piston and the cylinder body it would work wouldn't it? I have been told that the only difference between a 48 and a 66cc is that the cylinder body and piston are different sizes.
 

Lil bobber

New Member
May 21, 2011
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HAWAII
Oh sorry for my broken english.I was wondering if both piston and cylinder head. Would bolt up to my bottom half.