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NRPkfx400
02-24-2008, 02:30 PM
I just bought a 2003 kfx 400 and it is having trouble starting. i bought a new spark plug and it still wont start. Any suggestions? Thanks
ltz440rider
02-24-2008, 02:54 PM
check to see if your cdi box is fully pluged in check the fuse. check your gas is it good gas no water or is it old see if your gas petcock is on.
NRPkfx400
02-25-2008, 12:51 PM
thank you
indyZrider
02-26-2008, 01:52 PM
are your valve clearances in spec?