main jet too big? dirty air filter? pipe damaged? old plug /faulty electrical? might also be some sort of restricted CDI/ignition box that will not let it rev past a certain rpm. I don't know that PW80, but those are the things I'd check first.
-EA
Proud Dad of Ethan Ahlm #22
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-2010 S.E. Quads 6&under Regional Champ
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