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Old 05-07-2014, 02:40 PM
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mapbike mapbike is offline
Motorized Bicycle Elite Member
Join Date: Mar 2010
Location: Central Texas
Posts: 5,379
Default Re: Top Speed, 80cc Chinese motor? what is the record?

38-40+ MPH is easy with the right engine set up like starting with a Dax "GenIV" lower, these engines are so much better balance than many of the others and with some good clean ports and a good tuned carb and good flowing exhaust, they will do 40MPH no problem if the gearing is right, I weigh 215LB currently and with a 34 or 36T sprocket I've seen 45+ MPH on two of my bikes running the Dax GenIV lower built up nice.

I dont always ride WOT, but when I do..I do my best to keep the rubber side down..Ride safely my friends!

Last edited by mapbike; 01-19-2015 at 11:51 AM.
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