acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Piston Ring, Engine|Specifications|Page 2037 > < If the Crankshaft Is Not Installed|Page 2033
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Piston Ring: Specifications

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) 

Piston Ring, Engine|Specifications|Page 2037 > < If the Crankshaft Is Not Installed|Page 2033