Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine


Ring Groove Clearance
No.1 0.030 - 0.080 mm
No.2 0.030 - 0.070 mm

Standard End Gap
No.1 0.300 - 0.400 mm
No.2 0.400 - 0.550 mm
Oil (side rail) 0.130 - 0.380 mm

Maximum End Gap
No.1 1.10 mm
No.2 1.20 mm
Oil (side rail) 1.15 mm