Piston, Engine

Piston-to-Cylinder Bore Clearance 0.02-0.04 (0.0008-0.0015 inches)
Piston Diameter Standard Stamp 1 73.980-79.990 mm (2.9126-2.9130 inches)
Piston Diameter Standard Stamp 2 73.970-73.980 mm (2.912-2.9126 inches)
Piston Diameter 0.25 mm (0.0098 inches)
Oversize Piston 74.220-74.230 mm (2.9220-2.9224 inches)
Piston Diameter 0.50 mm (0.0196 inches)
Oversize Piston 74.470-74.480 mm (2.9319-2.9323 inches)
Piston Ring End Gap Top Ring (Standard) 0.15-0.30 mm (0.0059-0.0118 inches)
Piston Ring End Gap Top Ring (Maximum) 0.7 mm (0.0275 inches)
Piston Ring End Gap Lower Ring (Standard) 0.2-0.35 mm (0.0079-0.0137 inches)
Piston Ring End Gap Lower Ring (Maximum) 0.7 mm (0.0275 inches)
Piston Ring End Gap Oil Ring (Standard) 0.2-0.6 mm (0.0079-0.0236 inches)
Piston Ring End Gap Oil Ring (Maximum) 1.7 mm (0.0669 inches)
Piston Ring Groove Clearance:
Upper Compression Ring 0.03-0.07 mm (0.0012-0.0027 inches)
Piston Ring Groove Clearance:
Lower Compression Ring 0.02-0.06 mm (0.0008-0.0023 inches)
Piston Pin Diameter 18.997-19.000 mm (0.7479-0.7480 inches)
Piston Pin to Connecting Rod Clearance:
(Standard) 0.003-0.016 mm (0.0001-0.0006 inches)
Piston Pin to Connecting Rod Clearance:
(Maximum) 0.050 mm (0.0020 inches)