2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 87Get this manual
ADJUSTING THE VALVE CLEARANCE
5Remove: crankshaft end accessing screw 1
6Measure: valve clearance Out of specification AdjustValve clearance (cold) Intake valve 0.090.13 mm (0.00350.0051 in) Exhaust valve 0.160.20 mm (0.00630.0079 in)