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Old 10-14-2014, 08:16 PM
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Davezilla Davezilla is offline
Motorized Bicycle Elite Member
Join Date: Mar 2014
Location: San Antonio Texas
Posts: 2,710
Default Re: Topped out at 30mph what to do now

Nice job with the expansion chamber... they do wake up these engines very well... I'm using a modded KTM50 expansion chamber on mine with really nice results, before that I was using an old pocketbike chamber grafted to the stock pipe which worked great too until it cracked at the bracket and the metal was too thin to re weld, but the KTM does perform a bit better... Pretty much any 50 to 125cc dirtbike pipe will do good once modded to fit.
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