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Discussion Starter · #1 ·
I have a 2005 KFX 400 with a Two Bros slip on and a FMF Bowerbomb header & K&N cone filter with no air lid installed on it. Recently installed a 160 main jet and installed needle to 3rd slot, adjusted the pilot screw to 3.5 turns out. Im 500 ft above sea level. I cant get the bike to start on its own. It almost fires but does not. I can push start the bike to get it started and keep it running and when I do the bike shuts off with the choke on. It sounds to me like its too rich but not sure. Any suggestions anyone?
 
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