2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 163Get this manual
CYLINDER HEADIVALVECAMSHAFT Ma ke sure the t,m ing mark on the sprocket aligns wI th the cylmder surface when the mlrk is a"gned WIth the mdex noch
Remove he stopper ooland ins ta ll th seali ng bo lt
with new sealing was he an tighten itInst all the cy lind er head (p age 8-18)
CYLINDER HEAD ASSEMBLY
COTTERS