Piston Ring, Engine

DIMENSIONS

End-Gap:
Top Ring
Standard (New): 0.25 - 0.40 mm (0.010 - 0.016 inch)
Service Limit: 0.60 mm (0.024 inch)
Second Ring
Standard (New): 0.35 - 0.50 mm (0.014- 0.020 inch)
Service Limit: 0.75 mm (0.03 inch)
Oil Ring
Standard (New): 0.20 - 0.70 mm (0.008 - 0.028 inch)
Service Limit: 0.80 mm (0.031 inch)
Ring-To-Groove Clearance:
Top Ring Clearance
Standard (New): 0.030 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit: 0.13 mm (0.005 inch)
Second Ring Clearance
Standard (New): 0.030 - 0.055 mm (0.0012 - 0.0022 inch)
Service Limit: 0.13 mm (0.005 inch)