49cc engine, only added exspanion chamber, setup is on a repco frame from big w. has 28" wheels, so far has gotten upto 50km/hr. had got given the 49cc engine off a mate and bought the rest of the kit encluding exspanion chamber. leave a comment of what you think, and what you think i should upgrade on my bike next.

Jefro50cc, May 18, 2012
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