Piston, Engine

Piston and Connecting Rod
Piston diameter - single grade 92.476-92.490 mm (3.6407-3.6413 inch)
Piston-to-cylinder bore clearance 0.010 to 0.044 mm (0.0003-0.0017 inch)
Piston ring end gap - compression (top, gauge diameter) 0.15-0.25 mm (0.0059-0.0098 inch)
Piston ring end gap - compression (bottom, gauge diameter) 0.30-0.55 mm (0.0118-0.0216 inch)
Piston ring end gap - oil ring (steel rail, gauge diameter) 0.15-0.45 mm (0.0059-0.0177 inch)
Piston ring groove width - compression (top) 1.230-1.25 mm (0.0484-0.0492 inch)
Piston ring groove width - compression (bottom) 1.530-1.55 mm (0.0602-0.0610 inch)
Piston ring groove width - oil ring 2.53-2.55 mm (0.0996-0.1003 inch)
Piston ring width - upper comp ring 1.17-1.19 mm (0.0460-0.0468 inch)
Piston ring width - lower comp ring 1.47-1.49 mm (0.0578-0.0586 inch)
Piston ring-to-groove clearance (upper and lower compression rings) 0.040-0.080 mm (0.0015-0.0031 inch)
Piston pin bore diameter 23.002-23.006 mm (0.9055-0.9057 inch)
Piston pin diameter 22.998-23.000 mm (0.9054-0.9055 inch)
Piston pin length 55.975 mm (2.203 inch)
Piston pin-to-piston fit 0.002 to 0.008 mm (0.00007-0.0003 inch)
Piston-to-connecting rod 2.7 mm (0.1 inch) clearance