1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 149Get this manual
ROCKER ARMS
ROCKER ARM REMOVAL 1.Remove: Rocker arm shafts (intake and exhaust) G) Rocker arms NOTE: _ Use slide hammer to remove the rocker arm shaftsSlide hammer set: PINYU-01083-A Slide hammer bolt (M6): PIN90890-01083 Weight: PIN90890-01084