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09 crf 250r

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we race in australia temps range from about 22 celcius we have a stock bike apart from a pc twin system the bike launches off the gate then gets swamped by the field in about 30 meters ive orderd a jd jetting kit and going to try

42 pilot

190 main

red needle 5th clip

ive heard this works any ideas as atm with stock jetting we can work thru the feild but takes time any help is good help cheers also ive heard a smaller sprocket on the frt will carry us thru corners faster with another gear but what are we sacrificing in the meantime

Edited by jester 96
wrong model

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