Piston Ring, Engine

Engine Mechanical Specifications
Piston Ring End Gap
First Compression Ring 0.15-0.3 mm (0.0059-0.0118 inch)
Second Compression Ring 0.36-0.51 mm (0.0142-0.0201 inch)
Oil Control Ring 0.250-0.760 mm (0.0098-0.0299 inch)
Piston Ring to Groove Clearance
First Compression Ring 0.043-0.093 mm (0.0017-0.0037 inch)
Second Compression Ring 0.043-0.093 mm (0.0017-0.0037 inch)
Oil Control Ring 0.059-0.215 mm (0.0023-0.0085 inch)