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06 crf450r jetting

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hey guys i'm new here but i've been following the threads here and there on this site for a while and now i've run into a problem of my own, i have an 06 crf450r which i just installed a fmf powerbomb on and it has a white brothers muffler along with a performance air filter, it runs pretty good but sometimes bogs on the lower rpm side when you hit the throttle fast, sucks when your not expecting it and trying to make a hill lol. i just bought a jd jet kit but it doesn't seem to fit my needs in the instrutions on which jets to put in. where i live the elevation is 1700 feet and thats the lowest point that i would ride at, i do however do lots of riding around 1700 but i hit spots of often 4000 feet if not a little higher, i've done alot of riding since december but now spring is coming so i just wonder what would be my best guess on what main jet to put in along with which groove on the red needle, hopefully someone can point me in the right direction, thanks

Edited by chev4by
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