Hey guys....a got just a standard 70cc pitbike a while back now and just wondering what big bore kits I could get for it....cause i've seen the 138cc kits goin round but arent to sure if that would fit??? All help would be appreicated.
sell it, and buy a 125cc etc
turning a 70cc into a 138cc just wont happen, and not worth the $$$,
even if you put a 138cc engine in your bike, is the bike gonna hold up to it???
cause the 70cc bike ive seen in the past was pretty poorly built, and no way woud have it handled 138cc engine,
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