Piston Ring, Engine
GENERAL SPECIFICATIONSPiston Ring End Gap
First Compression Ring - Measured in Cylinder Bore - Production 0.23 - 0.44 mm (0.009 - 0.017 inch)
First Compression Ring - Measured in Cylinder Bore 0.23 - 0.5 mm (0.009 - 0.0196 inch)
Second Compression Ring - Measured in Cylinder Bore - Production 0.44 - 0.7 mm (0.017 - 0.027 inch)
Second Compression Ring - Measured in Cylinder Bore 0.44 - 0.76 mm (0.0173 - 0.03 inch)
Oil Control Ring - Measured in Cylinder Bore - Production 0.18 - 0.75 mm (0.007 - 0.029 inch)
Oil Control Ring - Measured in Cylinder Bore - Service 0.18 - 0.81 mm (0.007 - 0.032 inch)
Piston Ring to Groove Clearance
First Compression Ring - Production 0.04 - 0.086 mm (0.00157 - 0.0033 inch)
First Compression Ring - Service 0.04 - 0.068 mm (0.00157 - 0.0033 inch)
Second Compression Ring - Production 0.05 - 0.088 mm (0.002 - 0.0034 inch)
Second Compression Ring - Service 0.05 - 0.088 mm (0.002 - 0.0034 inch)
Oil Control Ring - Production -0.008 to +0.0176 mm (-0.0003 to +0.0069 inch)
Oil Control Ring - Service -0.008 to +0.0176 mm (-0.0003 to +0.0069 inch)