Piston, Engine

Piston
Diameter (at right angle to pin bore)
Grade 1 90.175-90.165 mm (3.5502-3.5498 inch)
Grade 2 90.185-90.175 mm (3.5506-3.5502 inch)
Grade 3 90.195-90.185 mm (3.5510-3.5506 inch)
Piston-to-cylinder bore clearance (at grade size) -0.005-0.025 mm (-0.0002-0.0001 inch)
Ring groove width
Top 1.53-1.55 mm (0.0602-0.0610 inch)
Intermediate 1.52-1.54 mm (0.0598-0.0606 inch)
Oil control 3.030-3.050 mm (0.1193-0.1201 inch)
Ring width - top and intermediate 1.47-1.50 mm (0.0579-0.0591 inch)
Ring-to-groove clearance
Top 0.03-0.08 mm (0.0012-0.0032 inch)
Intermediate 0.02-0.07 mm (0.0007-0.0028 inch)
Piston pin
Bore diameter 22.008-22.014 mm (0.8665-0.8667 inch)
Pin diameter 22.001-22.0030 mm (0.8662-0.8663 inch)
Pin length 61.601-62.030 mm (2.425-2.442 inch)
Pin-to-piston fit (clearance) 0.005-0.013 mm (0.0002-0.0005 inch)