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Thread: jetting?

  1. #1
    Join Date
    Dec 2004
    Posts
    2

    jetting?

    I have a 200 400ex with a white brothers R series slip on, white brothers rev box, removed choke, and no airbox lid, what main jet and needle setting do i need to run if i am running at about 200 ft elevation?

  2. #2
    Join Date
    Aug 2002
    Location
    Staunton, Illinois
    Posts
    7,259
    i would start with a keihin 158 mainjet and needle clip moved down to the 4th position. i would also run a 42 pilot jet or so.
    2005 450r

    *sold* 2001 400ex

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