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ktm 250sx

  1. Two Strokes
    Hi there! I’m new to this forum stuff and looking for answers on a swap I’d like to do on my 2002 Ktm 250 sx. Just to get started I’d like to say if my questions seem dumb I’m just a curious 15 year old. I’m not new to motors I’ve been around them my whole life I know a lot about them but...
  2. Offroad 4 strokes
    Hi everybody, I bought a broken KTM last year to rebuilt and i did a leak down test yesterday and I have alot of air going out of my carburetor. I dont have a clue what is wrong with it. My piston was TDC. Thanks guys. Il
  3. 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...
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