Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston Ring

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 0.75 mm (0.030 in.)

Oil Ring:

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