2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 380Get this manual
MAINTENANCE SPECIFICATIONS Item Cam chain: Cam chain typeNoof links Cam chain adjustment method Rocker armrocker arm shaft: Rocker arm inside diameter Rocker arm shaft outside diameter Rocker-arm-to-rocker-arm-shaft clearance Valves, valve seats, valve guides: Valve clearance (cold) Standard 92RH2005110 Automatic 11.98011.998 mm (0.47170.4724 in) 11.96111.971 mm (0.47090.4713 in) 0.0090.037 mm (0.00040.0015 in) 0.060.10 mm (0.00240.0039 in) 0.160.20 mm (0.00630.0079 in)
Limit 12.058 mm (0.4747 in) 11.931 mm (0.4697 in) 0.080 mm (0.0031 in) -
Valve dimensions
B Head Diameter Face Width Seat Width
C Margin Thickness
"A" head diameter
"B" face width "C" seat width
IN EX IN EX