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)
Clearance-to-cylinder bore (at grade size) 0.025-0.045 mm (0.0010-0.0018 inch)
Ring end gap
Top 0.15-0.30 mm (0.006-0.012 inch)
Intermediate 0.25-0.50 mm (0.0098-0.0197 inch)
Oil control 0.15-0.65 mm (0.0059-0.0256 inch)
Ring groove width
Top 1.52-1.55 mm (0.0598-0.0610 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 1.50-1.47 mm (0.0590-0.0578 inch)
Ring-to-groove clearance
Top 0.020-0.080 mm (0.0008-0.0031 inch)
Intermediate 0.030-0.070 mm (0.0012-0.0028 inch)
Pin
Bore diameter 22.008-22.014 mm (0.8665-0.8667 inch)
Pin diameter 22.0010-22.0030 mm (0.8662-0.8663 inch)
Length 61.8 mm (2.433 inch)
Fit-to-piston 0.005-0.0130 mm (0.0002-0.0005 inch)