Piston Ring, Engine

Piston ring end gap

Standard
No. 1 0.20 - 0.35 mm (0.0079 - 0.0138 in)
No. 2 0.37 - 0.52 mm (0.0146 - 0.0205 in)
Oil ring 0.20 - 0.60 mm (0.0079 - 0.0236 in)

Limit
No. 1, 2, oil ring 1.0 mm (0.039 in)

Piston ring side clearance

No. 1 0.04 - 0.08 mm (0.0016 - 0.0031 in)
No. 2 0.03 - 0.07 mm (0.0012 - 0.0028 in)
Oil ring 0.06 - 0.15 mm (0.0024 - 0.0059 in)

Limit
No. 1 0.1 mm (0.004 in)
No. 2 0.1 mm (0.004 in)
Oil ring 0.2 mm (0.0079 in)