Operation CHARM: Car repair manuals for everyone.

Piston Ring


Standard Ring Groove Clearance
No.1 0.040 - 0.080 mm
No.2 0.030 - 0.070 mm

Standard End Gap
No.1 0.300 - 0.500 mm
No.2 0.400 - 0.600 mm
Oil (side rail) 0.150 - 0.550 mm

Maximum End Gap
No.1 1.100 mm
No.2 1.200 mm
Oil (side rail) 1.150 mm