Jetting 2007 450x with fmf exhaust
  • clugo
    Posts:1
    Joined:Mon Mar 23, 2009 9:35 am
    Jetting 2007 450x with fmf exhaust

    by clugo » Mon Mar 23, 2009 9:45 am

    I just installed a FMF factory 4.1 slip on exhaust onto my stock header. I removed the top of the air box and have tried all jets up to a 165 and adjusted the fuel screw. The bike will bog down with the throttle wide open. Does anyone have any ideas. I live and ride in So Cal.
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    Skoot22
    Posts:2380
    Joined:Sun Sep 03, 2006 9:51 pm

    by Skoot22 » Mon Mar 23, 2009 10:19 am

    NCVS Needle Honda Part # NCVS 16233-MEN-671
    Run it in the 4th pos.
    170 main jet
    stock 45 pilot is fine.
    Fuel Screw out around 2 turns.

    Welcome to the Board
    Scott
    05 CRF450X
    Bakersfield, Ca
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