Piston, Engine

Piston
Diameter (Standard) 92.96 - 92.99 mm (3.659 - 3.661 inch)
Ring groove width
No. 1 1.503 - 1.505 mm (0.0592 - 0.05925 inch)
No. 2 1.501 - 1.503 mm (0.0591 - 0.0592 inch)
Oil 3.010 - 3.030 mm (0.1185 - 0.1193 inch)
Piston for service 0.25 mm (0.010 inch), 0.50 mm ( 0.020 inch) Oversize