Piston Ring, Engine

Piston ring
Ring-to-groove clearance
Top
Standard or New 0.055 - 0.085 mm (0.0022 - 0.0033 in.)
Service Limit 0.15 mm (0.006 in.)
Second
Standard or New 0.030 - 0.060 mm (0.0012 - 0.0024 in.)
Service Limit 0.13 mm (0.005 in.)
Ring end gap
Top
Standard or New 0.30 - 0.40 mm (0.012 - 0.016 in.)
Service Limit 0.60 mm (0.024 in.)
Second
Standard or New 0.40 - 0.55 mm (0.016 - 0.022 in.)
Service Limit 0.70 mm (0.028 in.)
Oil
Standard or New 0.20 - 0.70 mm (0.008 - 0.028 in.)
Service Limit 0.80 mm (0.031 in.)