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 1.0 101.390 - 101.400 mm (3.991 - 3.992 inch)
Piston-to-cylinder bore clearance 0.030 - 0.050 mm (0.0012 - 0.002 inch)
Piston ring end gap - top 0.200 - 0.450 mm (0.008 - 0.018 inch)
Piston ring end gap - bottom 0.40 - 0.60 mm (0.016 - 0.024 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)
Piston ring width - top 1.175 - 1.190 mm (0.0463 - 0.0469 inch)
Piston ring width - bottom 1.475 - 1.490 mm (0.0581 - 0.0587 inch)
Piston ring-to-groove clearance - top 0.040 - 0.075 mm (0.0016 - 0.0030 inch)
Piston ring-to-groove clearance - bottom 0.030 - 0.065 mm (0.0012 - 0.0026 inch)
Piston pin bore diameter 23.958 - 23.976 mm (0.943 - 0.944 inch)
Piston pin diameter (red) 23.994 - 23.997 mm (0.9446 - 0.9448 inch)
Piston pin diameter (blue) 23.997 - 24.000 mm (0.9448 - 0.9449 inch)
Piston pin length 72.0 - 72.8 mm (2.835 - 2.866 inch)
Piston pin-to-piston fit 0.01 - 0.016 mm (0.0004 - 0.0006 inch)
Piston pin-to-connecting rod clearance 0.01 - 0.016 mm (0.0004 - 0.0006 inch)