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Wes Woodin

2009 YZ450F Powerbowl jetting?

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Trying to find the best jetting set up for my 09. My 08 had I believe a 50 pilot, 170 main 2 screws out on the fuel screw and 2 turns out on the adjustable leak jet. I am around 300-500 ft elevation, 100 octane, sometimes VP u4.2, and around 70 degrees. Dean? Do you have any input? thanks. Wes

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