Piston, Engine

Piston Ring End Gap
First Compression Ring 0.18-0.39 mm (0.007-0.015 inch)
Second Compression Ring 0.48-0.74 mm (0.019-0.029 inch)
Oil Control Ring 0.25-0.74 mm (0.010-0.029 inch)
Piston Ring to Groove Clearance
First Compression Ring 0.03-0.076 mm (0.001-0.003 inch)
Second Compression Ring 0.04-0.078 mm (0.002-0.003 inch)
Oil Control Ring 0.09 mm (0.004 inch)
Piston Ring Thickness
First Compression Ring 1.164-1.190 mm (0.046-0.047 inch)
Second Compression Ring 1.472-1.490 mm (0.058 inch)
Oil Control Ring - Maximum 2.440 mm (0.096 inch) Piston
Piston Diameter
production 93.980-94.020 mm (3.7-3.701 inch)
service limit 93.960 mm (3.699 inch)
Piston Pin Bore Diameter 24.008-24.013 mm (0.9452-0.9454 inch)
Piston Ring Groove Width 1.23-1.255 mm (0.048-0.049 inch)
Piston to Bore Clearance
production -0.029 to +0.029 mm (-0.0011 to +0.011 inch)
service limit - Maximum 0.080 mm (0.003 inch) Pin
Piston Pin Clearance to Connecting Rod Bore - Press Fit -0.022 to +0.044 mm (-0.0008 to +0.0017 inch)
Piston Pin Clearance to Piston Pin Bore 0.008-0.016 mm (0.0003-0.0006 inch)
Piston Pin Diameter 23.997-24.000 mm (0.9447-0.9448 inch)
Piston Pin Length 59.87-60.13 mm (2.35-2.36 inch)