fastLANE Posted November 4, 2007 Report Posted November 4, 2007 My banshee is running like shit and I cant get the jetting/air screws right. 2004 banshee,120 compression on both sides, tors removed, fmf pipes, k&n intake, drilled airbox cover and I am at sea level. The main jet is a 280, the pilot 25 and the needle is on the fourth clip from top (dynojet needles) air screws are 1.5 turns out. Still runs like crap. I played with the air screws and it just made the problem go from side to side. Choke tube is there. Sometimes it gives me full power and other times only one cylinder hits. (most of the time). Carbs are freshely cleaned and seem to be in sync by the little window on the side of them. Someone please point mein the right direction. Located in south florida so temp today is @80 ish. Quote
black sunshine Posted November 5, 2007 Report Posted November 5, 2007 4th position from the blunt end or pointy end? If your counting from the blunt end, try moving it back to the middle or even 1 more if that helps. This will lean out the midrange for you. You need to do a plugchop to determine your mains. Maybe try a 27.5 pilot, also. Quote
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