Piston, Engine

Piston Rings
Piston Ring End Gap
First Compression Ring
Production 0.3-0.45 mm (0.012-0.018 inch)
Service 0.45-0.675 mm (0.018-0.027 inch)
Second Compression Ring
Production 0.45-0.65 mm (0.017-0.025 inch)
Service 0.675-0.975 mm (0.026-0.039 inch)
Oil Control Ring
Production 0.249-0.759 mm (0.0098-0.0299 inch)
Service 0.373-1.138 mm (0.015-0.045 inch)
Piston Ring-to-Groove Clearance
First Compression Ring 0.031-0.074 mm (0.0012-0.0029 inch)
Second Compression Ring 0.031-0.074 mm (0.0012-0.0029 inch)
Oil Control Ring 0.051-0.203 mm (0.002-0.008 inch)
Piston and Pins
Piston
Piston Diameter Not Measurable (Not Measurable)
Piston-to-Bore Clearance Interference Fit (Interference Fit)
Pin
Pin-Piston Pin Fit inch) Connecting Rod Bore
Production 0.010-0.023 mm (0.0004-0.0009 inch)
Service 0.010-0.023 mm (0.0004-0.0009 inch)
Pin-Piston Pin Clearance-to-Piston Pin Bore
Production 0.003-0.011 mm (0.00019-0.00043 inch)
Service 0.003-0.011 mm (0.00019-0.00043 inch)
Pin-Piston Pin Diameter 26.416-26.419 mm (1.039-1.040 inch)