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About jmstuartsc

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    TT Newbie

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  1. i have an 04 crf 250x, twinair powerflow kit, fmf Q2 exaust, stock header,jd jetting kit, red needle, clip in 5th pos, 158 main 42 pilot, air box opened per jd jetting instructions, (4.5 inches by 4.5 inches)fuel screw at2.25 turns out. would a 45 pilot work better with this setup? any other changes reccomended? most riding at 4000 ft or lower. bike runs well like this, trying to fine tune thanks