acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Piston Ring, Engine|Specifications|Page 2092 > < Crankshaft and Piston Removal|Page 2088
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Piston Ring: Specifications

Piston ring 

Ring-to-groove clearance

Top

Standard or New ....................................................................................................................................  0.045 - 0.070 mm (0.0018 - 0.0028 inch)
Service Limit .......................................................................................................................................................................  0.13 mm (0.005 inch)

Second

Standard or New ....................................................................................................................................  0.040 - 0.065 mm (0.0016 - 0.0026 inch)
Service Limit .......................................................................................................................................................................  0.13 mm (0.005 inch)

Ring end gap

Top

Standard or New ............................................................................................................................................  0.20 - 0.35 mm (0.008 - 0.014 inch)
Service Limit .......................................................................................................................................................................  0.60 mm (0.024 inch)

Second

Standard or New ............................................................................................................................................  0.50 - 0.65 mm (0.020 - 0.026 inch)
Service Limit .......................................................................................................................................................................  0.75 mm (0.030 inch)

Oil

Standard or New ............................................................................................................................................  0.20 - 0.70 mm (0.008 - 0.028 inch)
Service Limit .......................................................................................................................................................................  0.80 mm (0.031 inch)

Piston Ring, Engine|Specifications|Page 2092 > < Crankshaft and Piston Removal|Page 2088