Piston Ring, Engine

RING TO GROOVE CLEARANCE:

Top:
Standard (New) 0.045 - 0.070 mm (0.0018 - 0.0028 inch)
Service Limit 0.13 mm (0.005 inch)

Second:

Riken Manufacturer:
Standard (New) 0.040 - 0.065 mm (0.0016 - 0.0026 inch)
Service Limit 0.13 mm (0.005 inch)

Teikoku Manufacturer:
Standard (New) 0.045 - 0.070 mm (0.0018 - 0.0028 inch)
Service Limit 0.13 mm (0.005 inch)

END GAP:

Top:

Riken Manufacturer:
Standard (New) 0.20 - 0.35 mm (0.008 - 0.014 inch)
Service Limit 0.60 mm (0.024 inch)

Teikoku Manufacturer:
Standard (New) 0.20 - 0.30 mm (0.008 - 0.012 inch)
Service Limit 0.60 mm (0.024 inch)

Second:
Standard (New) 0.40 - 0.55 mm (0.016 - 0.022 inch)
Service Limit 0.70 mm (0.028 inch)

Oil:

Riken Manufacturer:
Standard (New) 0.20 - 0.50 mm (0.008 - 0.020 inch)
Service Limit 0.70 mm (0.028 inch)

Teikoku Manufacturer:
Standard (New) 0.20 - 0.45 mm (0.008 - 0.018 inch)
Service Limit 0.70 mm (0.028 inch)