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Thread: Help with jetting please

  1. #1
    Join Date
    Jun 2009
    Location
    Ripley,MS
    Posts
    162

    Help with jetting please

    I have a 09 400x just bought a hmf sport series full system and k&n filter and the hmf keihin hex jet kit it recommends 180/200 I was wondering if that was right and do I have to change the pilot

  2. #2
    Join Date
    Mar 2008
    Posts
    958
    You dont have to change the pilot but most do.

    As for jet size all are different and im not sure on HMF jet sizes
    2008 TRX400EX

    Some go fast parts and look cool stuff added.

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