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power commander iii

  1. Newbie with a used KFX 450r

    Kawasaki KFX450/KFX400
    New to the forum and to racing quads, I have a rancher 4 x 4 and do trail riding. But recently I got a 08' KFX450r in a trade and was informed that it had some issues. Guy said he adjusted the power commander III himself and it started running bad. Problem 1: Starts fine and idles perfect but...