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Mav_KFX400
08-04-2006, 11:23 PM
how can i make my 03 KFX faster. i don't really want to bore it out for now. i already have it jetted with a full yosh system. What else can i do?
YFZ450Ridr
08-04-2006, 11:49 PM
ditch the k&n power lid and get a 10 dollar outerwears and rejet. then mabye get a dyna programable cdi. a hi compression piston will help tons too.
jonboy
08-05-2006, 12:39 PM
You might try putting an 05' carb on. they are 1 MM bigger and give a little more response. Definately a higher rev CDI. You may also want to put a new rear sprocket on with 39 or 38 teeth.