Piston

Piston Dimensions and Clearances











Piston ring side clearance

Standard
No.1 0.05 - 0.08 mm (0.0019 - 0.0031 in.)
No.2 0.04 - 0.08 mm (0.0015 - 0.0031 in.)
Oil ring 0.06 - 0.15 mm (0.0023 - 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 0.15 - 0.30 mm (0.0059 - 0.0118 in.)
No.2 0.37 - 0.52 m (0.0145 - 0.0204 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.)