Piston Ring, Engine

Piston Ring End Gap
No. 1 0.26 - 0.40 mm (0.010 - 0.016 inch)
Service Limit 0.8 mm (0.031 inch)
No. 2 0.40 - 0.65 mm (0.016 - 0.022 inch)
Service Limit 0.8 mm (0.031 inch)
Oil 0.15 - 0.50 mm (0.006 - 0.019 inch)
Service Limit 1.0 mm (0.039 inch)
Piston Ring Side Clearance
No. 1 0.030 - 0.070 mm (0.0012 - 0.0028 inch)
Service Limit 0.1 mm (0.004 inch)
No. 2 0.002 - 0.06 mm (0.0007 - 0.0024 inch)
Service Limit 0.1 mm (0.004 inch)