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jetting yfz450 illinois,60deg,james dean please

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i got a yfz 450 04 with gtyr full exhaust i just ordered your jet kit i have a race next weekend and need to get it perfect for it, i plan on running no airbox lid and i dont know about the cam mod i havent got much feedback on it if its a good thing to do for gncc racing please tell me,. but anyway where should i start with on jets and which needle i want to get close right away, i thought maybe you had a bulletproof system for the mods and sealevel, weather , thanks for any info

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The kit is designed to be run with the airbox lid off. Use the kit instructions for your best setting for most conditions.

Thanks,

James

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