Piston, Engine

Piston
O.D. 86.47 - 86.5 mm (3.404 - 3.406 inch)
Ring groove width
No. 1 1.22 - 1.24 mm (0.048 - 0.049 inch)
No. 2 1.51 - 1.53 mm (0.059 - 0.060 inch)
Oil 2.81 - 2.83 mm (0. 111 - 0. 1114 inch)
Service size 0.5 mm (0.020 inch) oversize