Piston, Engine

Piston
Piston diameter - coded standard 100.380-100.400 mm (3.952-3.9528 inch)
Piston diameter - coded 100.880-100.900 mm 0.5 (3.971-3.972 inch)
Piston diameter - coded 101.350-101.370 mm 1.0 (3.990-3.991 inch)
Piston-to-cylinder bore clearance 0.030-0.050 mm (0.0012-0.002 inch)
Piston ring groove width - top 1.23-1.25 mm (0.0484-0.0492 inch)
Piston ring groove width - bottom 1.52-1.54 mm (0.0598-0.0606 inch)
Piston ring groove width - oil ring 3.01-3.03 mm (0.1185-0.1193 inch)