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jetting

  1. 2004 KTM 250sx jetting problem?

    Two Strokes
    Hey, my 2004 250sx stutters after half throttle? It has an FMF fatty w/ a FMF shorty silencer, it is also running 91 oct 40:1 with lucas oil fully synthetic 2 stroke oil. It doesn't foul plugs, but sometimes will die when you first click it into 1st. My main issue is that it loses power after...
  2. 2019 KTM 150 xcw high altitude jetting

    Two Strokes
    Does anyone know what the best jetting combination is for a 2019 KTM 150 xcw in Colorado?
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