Piston, Engine

Piston diameter-coded standard 100.380 - 100.400 mm (3.952 - 3.9528 inch)
Piston diameter-coded 0.5 100.880 - 100.900 mm (3.971 - 3.972 inch)
Piston diameter-coded 1.0 101.350 - 101.370 mm (3.990 - 3.991 inch)
Piston-to-cylinder bore clearance 0.030 - 0.050 mm (0.0012 - 0.002 inch)
Piston pin bore diameter 23.958 - 23.976 mm (0.943 - 0.944 inch)