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Piston Ring, Engine

Piston Rings

Top & 2nd ring grooves 1.2 mm (0.05 in.) wide.
Oil ring groove 2.0 mm (0.08 in.) wide.

Piston Ring End-Gap

Top Ring:
Standard (New) 0.20 - 0.35 mm (0.008 - 0.014 in.)
Service Limit 0.60 mm (0.024 in.)

Second Ring:
Standard (New) 0.50 - 0.65 mm (0.020 - 0.026 in.)
Service Limit 0.70 mm (0.028 in.)

Oil Ring:
Standard (New) 0.20 - 0.70 mm (0.008 - 0.028 in.)
Service Limit 0.75 mm (0.030 in.)