Piston Ring, Engine

Ring Groove Clearance
No.1 0.030 - 0.080 mm
No.2 0.020 - 0.060 mm

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

Maximum End Gap
No.1 1.05 mm
No.2 1.20 mm
Oil (side rail) 1.10 mm