Piston Ring

GENERAL SPECIFICATION
Piston Ring-to-Groove Clearance
Upper Compression Ring 0.050-0.090 mm
Lower Compression Ring 0.030-0.080 mm
Ring Gap - Compression (Top) 0.15-0.30 mm
Ring Gap - Compression (Bottom) 0.30-0.55 mm
Oil Ring - Side Clearance 0.027-0.196 mm
Oil Ring - Compression (Top) 0.03-0.08 mm
Oil Ring - Compression (Bottom) 0.030-0.080 mm (0.0012-0.0031 inch)
Ring Gap - Compression (Top) 0.15-0.30 mm
Ring Gap - Compression (Bottom) 0.30-0.55 mm
Ring Gap - Oil Ring (Steel Rail) 0.15-0.65 mm