Piston Ring, Engine

Ring Groove Clearance
No.1 0.020 - 0.070 mm
No.2 0.010 - 0.050 mm

Standard End Gap
No.1 0.250 - 0.450 mm
No.2 0.500 - 0.700 mm
Oil (side rail) 0.150 - 0.500 mm

Maximum End Gap
No.1 1.05 mm
No.2 1.30 mm
Oil (side rail) 1.10 mm