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kfx400isdashiz
07-16-2006, 08:38 PM
what is the stock jetting of a 03kfx400
GooseZ400
07-17-2006, 04:04 PM
yor stock main should be a 130
kfx400isdashiz
07-17-2006, 10:04 PM
so if i put in a k&n keep the airbox lid on and put on an lrd exhaust would a 150 jet be ok?