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steup

  1. M

    FCR 41mm steup on a 470fc???

    hi everyone. i have won a keihn FCR41mm for my FC 470 - 2001model. does anyone out there know what jets/needle i should change to, or run whats in there (the keihn is off of a yz426 2001. it currently has a 162main jet. 72piloti think the atomiser is 42 and needle and needle jet is standard for...
    • mikeoz18
    • Thread
    • 41mm 470fc fcr steup
    • Replies: 3
    • Forum: Fuel