Piston Ring

Ring Groove Clearance
No.1 0.010 - 0.060 mm
No.2 0.020 - 0.060 mm

Standard End Gap
No.1 0.25 - 0.35 mm
No.2 0.35 - 0.45 mm
0.55 - 0.65 mm
Oil (side rail) 0.15 - 0.40 mm

Maximum End Gap
No.1 0.95 mm
No.2 1.05 mm for G2 Mark
for 2T Mark 1.25 mm
Oil (side rail) 1.00 mm