Operation CHARM: Car repair manuals for everyone.

Piston Ring

GENERAL SPECIFICATIONS
Piston Rings-Ring Gap-Compression (Top) 1.0 mm MAX (0.0394 inch)
Oil Ring-Side Clearance 1.25 mm MAX (0.05 inch)
Oil Ring-Compression (Top) 0.040-0.090 mm (0.0016-0.0031 inch)
Oil Ring Snug Fit
Oil Ring-Service Limit 0.015 mm MAX (0.0006 inch)
Ring Gap-Compression (Top) 0.23-0.49 mm (0.01-0.02 inch)
Ring Gap-Compression (Bottom) 0.23-0.49 mm (0.01-0.02 inch)
Ring Gap-Oil Ring (Steel Rail) 0.05-0.66 mm (0.006-0.026 inch)