Piston Ring, Engine

Piston Ring End Gap
First Compression Ring 0.250-0.400 mm (0.0098-0.0157 inch)
Second Compression Ring 0.350-0 050 mm (0.0138-0.0020 inch)
Oil Control Ring 0.250-0.760 mm (0.0098-0.0299 inch)
Piston Ring to Groove Clearance
First Compression Ring 0.040-0.095 mm (0.0016-0.0037 inch)
Second Compression Ring 0.040-0.095 mm (0.0016-0.0037 inch)
Oil Control Ring None - Side Sealing
Piston Ring Thickness
First Compression Ring 1.199-1.203 mm (0.0472-0.0474 inch)
Second Compression Ring 1.499-1.504 mm (0.0590-0.0592 inch)
Oil Control Ring 2.530-2.555 mm (0.0996-0.1006 inch)