Piston Ring, Engine

Piston
Ring groove width
Top
Standard or New 1.240 - 1.250 mm (0.0488 - 0.0492 in.)
Service Limit 1.27 mm (0.050 in.)
Second
Standard or New 1.220 - 1.230 mm (0.0480 - 0.0484 in.)
Service Limit 1.25 mm (0.049 in.)
Oil
Standard or New 2.805 - 2.825 mm (0.1104 - 0.1112 in.)
Service Limit 2.85 mm (0.112 in.)
Piston ring
Ring-to-groove clearance
Top
Standard or New 0.055 - 0.080 mm (0.0022 - 0.0031 in.)
Service Limit 0.15 mm (0.006 in.)
Second
Standard or New 0.030 - 0.055 mm (0.0012 - 0.0022 in.)
Service Limit 0.13 mm (0.005 in.)
Ring end gap
Top
Standard or New 0.20 - 0.35 mm (0.008 - 0.014 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.)