1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 9Get this manual
MAINTENANCE SPECIFICATIONS MAINTENANCE SPECIFICATIONS
Item Rocker armrocker arm shaft: Shaft outside diameter Arm inside diameter Arm-to-shaft clearance Valve, valve seat, valve guide: Valve clearance(cold) Standard 11.985 -11.991 mm (0.47190.4721 in) 12.00012.018 mm (0.47240.4731 in) 0.0090.033 mm (0.00040.0013 in) IN 0.050.10 mm (0.0020.004 in) 0.12-0.17 mm (0.005-0.007 in)
ISPECI a-I
Valve dimensions:
Head Dia
Face Width
Seat Width
Margin Thickness
"A" head diameter
"8" face width IN