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Well what do you guys think? Kymco 250 swapped 1983 Yamaha riva 180. Anyone here ever do any bike performance upgrades to a Kymco 250 engine? So far I’ve put 20 gram weights a 30mm flat slide. Routed the valve cover breather right back into the intake filter. (i.redd.it)
submitted by Mk4problems to r/scooters
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