Piston, Engine

Piston
Piston diameter - grade (at right angle to pin bore) 90.175-90.165 mm (3.5502-3.5498 in)
Piston diameter - grade 2 (at right angle to pin bore) 90.185-90.175 mm (3.5506-3.5502 in)
Piston diameter - grade 3 (at right angle to pin bore) 90.195-90.185 mm (3.5510-3.5506 in)
Piston-to-cylinder bore clearance (at grade size) -0.005-0.025 mm (-0.0002-0.0001 in)
Piston ring end gap - top 0.15-0.30 mm (0.0006-0.0012 in)
Piston ring end gap - intermediate 0.25-0.50 mm (0.0098-0.0197 in)
Piston ring end gap - oil control 0.15-0.65 mm (0.0059-0.0256 in)
Piston ring groove width - top 1.53-1.55 mm (0.0602-0.0610 in)
Piston ring groove width - intermediate 1.52-1.54 mm (0.0598-0.0606 in)
Piston ring groove width - oil control 3.030-3.050 mm (0.1193-0.1201 in)
Piston ring width - top and intermediate 1.47-1.50 mm (0.0579-0.0591 in)
Piston ring-to-groove clearance - top 0.03-0.08 mm (0.0012-0.0032 in)
Piston ring-to-groove clearance - intermediate 0.02-0.07 mm (0.0007-0.0028 in)
Piston pin bore diameter 22.008-22.014 mm (0.8665-0.8667 in)
Piston pin diameter 22.001-22.0030 mm (0.8662-0.8663 in)
Piston pin length 61.601-62.030 mm (2.425-2.442 in)
Piston pin-to-piston fit (clearance) 0.005-0.013 mm (0.0002-0.0005 in)