Operation CHARM: Car repair manuals for everyone.

Piston Ring


Ring Groove Clearance 0.020 - 0.070 mm

Standard End Gap
No.1 0.25 - 0.35 mm
No.2 0.35 - 0.50 mm
Oil Ring (side rail) 0.15 - 0.40 mm

Minimum End Gap
No.1 1.05 mm
No.2 1.20 mm
Oil Ring (side rail) 1.05 mm