2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 189Get this manual
CYLINDER AND PISTON
Piston ring end gap Top ring 0.200.35 mm (0.0080.014 in) Limit: 0.60 mm (0.024 in) 2nd ring 0.750.90 mm (0.0300.035 in) Limit: 1.25 mm (0.049 in) Oil ring 0.200.70 mm (0.0080.028 in)