Dimension & Clearance Specifications - Piston Rings

Piston Ring End Gap
Top Ring
Standard 0.2-0.3 (0.0079-0.0137)
Maximun Limit 0.7 (0.0275)
Lower Ring
Standard 0.02-0.035 (0.0070-0.0137)
Maximum Limit 0.7 (0.0276)
Oil Ring
Standard 0.02-0.06 (0.0079-0.0275)
Maximum Limit 1.7 (0.0669)

Piston Ring Groove Clearance
Upper Compression Ring 0.03-0.07 (0.0012-0.0027)
Lower Compression Ring 0.02-0.06 (0.0008-0.0023)