sictrxr
09-19-2008, 10:03 PM
my 450r has a horrible top end noise i think i narrowed it down to the decompersion i just dont know why it was out of adjustment . but if i back it off completely the noise is gone but when i adjust it back to spec the noise is back and louder than ever what do i do replace the whole thing ive got the unadilla gncc comin up and i need the bike to run without horrible noise plese help:confused: