Piston, Engine

Piston
Diameter
Grade 1 (at right angle to pin bore) (uncoated) 90.182-90.167 mm (3.5504-3.5499 inch)
Grade 2 (at right angle to pin bore) (uncoated) 90.196-90.179 mm (3.551-3.5503 inch)
Grade 3 (at right angle to pin bore) (uncoated) 90.208-90.193 mm (3.5515-3.551 inch)
Piston-to-cylinder bore clearance (at grade size) 0.017-0.047 mm (0.0007-0.0019 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 1.52-1.54 mm (0.0598-0.0606 inch)
Intermediate 1.52-1.54 mm (0.0598-0.0606 inch)
Oil control 3.030-3.056 mm (0.1193-0.1203 inch)
Ring width
Top and intermediate 1.50-1.48 mm (0.0590-0.0582 inch)
Ring-to-groove clearance
Top 0.020-0.060 mm (0.0008-0.0020 inch)
Intermediate 0.020-0.060 mm (0.0008-0.0020 inch)
Pin bore diameter 22.0125-22.0175 mm (0.8666-0.8668 inch)
Piston pin
Diameter 22.0010-22.0030 mm (0.8662-0.8663 inch)
Length 61.8 mm (2.433 inch)
Pin-to-piston fit 0.0095-0.023 mm (0.0004-0.0009 inch)