2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 40Get this manual
ENGINE SPECIFICATIONS Item Timing chain Modelnumber of links Tensioning system Rocker armrocker arm shaft Rocker arm inside diameter Shaft outside diameter Rocker-arm-to-rocker-arm-shaft clearance Valve, valve seat, valve guide Valve clearanceintake (cold) Valve clearanceexhaust (cold) Valve dimensions
Head Diameter Face Width Seat Width
Standard 98XRH2010126 Automatic 12.00012.018 mm (0.47240.4731 in) 11.98111.991 mm (0.47170.4721 in) 0.0090.037 mm (0.00040.0015 in)
0.090.13 mm (0.00350.0051 in) 0.160.20 mm (0.00630.0079 in)