want to swap 49cc to 80cc

jchamp

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Jul 16, 2008
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Springfield MA
Im currntly riding with a 49cc motort and have come to the ralization that it just doen't have what I need to have. Just wondering if it would be simple to swap blocks or is there something more involed? Please help.
 
i just changed a 49cc over to a 80cc used all the same stuff to mount the new motor took less than a hour.. i was thinking at first i would just swap cylinders piston and heads but it did'nt work that way the bore and stroke are different even the studs are different size and distance between them to hold it all together is different
 
Just for reference they are 48cc and 66cc no matter what the web site you bought it on claims.

You can't 'upgrade' a 48 to a 66, just swap the 48cc engine out for a bare 66cc, all the rest of the parts are compatible.

Of course you could just put on a tuned expansion chamber exhaust and NGK spark in the 48cc and get it darn close to a 66cc's performance.
 
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