after reading many threads about the 450x clutch being draggy and grabby, just decided to put a new one in.
ordered the OEM kit from Rocky Mtn ATV. excellent deal. rode around the yard and it is smooth as buttah. some of
the old steel plates looked burned.
had to use a bright flashlight and dental pick to get the oring out of mine. 2 orings could cause some of your problems. also am
running an EMS needle on 4th groove. bike just has FMF pipe and 3x3. same jets as you.