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Colorado jetting

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I will be riding the Colorado 500 this year. Do any of you rocky mountain WR 450 guys have jetting suggestions for me?? I figure between 8000-13000 feet. I have done all free mods, stock exhaust with PMB insert and Southern Calif. jetting. 168 main, 48 pilot, '04 needle with clip in 4th slot. Any suggestions appreciated.

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