I did the same thing. I replaced the fan , clutch and starter shaft to raptor 50 versions and all my problems went away. I did talk the head apart and loctite all the metal to metal parts also.
07-15-2005 Over year old.
kaptkaos Key Veteran Location: Miami FL
DVR,
You have gotten pretty good if you can "talk" your head apart!!
I need to work on that one!!!
If you give a Chimp a gun, and the Chimp shoots, DONT BLAME THE CHIMP!!!!