Piston Ring, Engine

Piston Ring End-Gap:
Top Ring
Standard (New): 0.20 - 0.35 mm (0.008- 0.014 inch)*1 0.20 - C0.30 mm (0.008- 0.012 inch)*2
Service Limit: 0.60 mm (0.024 inch)
Second Ring
Standard (New): 0.40 - 0.55 mm (0.016- 0.022 inch)
Service Limit: 0.70 mm (0.028 inch)
Oil Ring
Standard (New): 0.20 - 0.50 mm (0.008 - 0.020 inch)*1 0.20 - 0.45 mm (0.008 - 0.018 inch)*2
Service Limit: 0.70 mm (0.028 inch)

*1: GRIKEN manufactured piston ring
*2: GTEIKOKU PISTON RING manufactured piston ring (B18B1 engine only)