Piston Ring specifications

Piston ring side clearance
Standard
No.1 0.03 - 0.07 mm (0.0012 - 0.0027 in)
No.2 0.03 - 0.07 mm (0.0012 - 0.0027 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 (0.008 in)

Piston ring end gap
Standard
No.1 0.17 - 0.32 mm (0.0067 - 0.0126 in)
No.2 0.32 - 0.47 mm (0.0126 - 0.0185 in)
Oil ring 0.20 - 0.70 mm (0.0079 - 0.0275 in)
Limit
No.1 0.6 mm (0.0236 in)
No.2 0.7 mm (0.0275 in)
Oil ring 0.8 mm (0.0315 in.)