Piston Ring, Engine

Piston Ring

Side clearance
No. 1
Standard 0.04 - 0.085 mm (0.0015 - 0.0033 inch)
Limit 0.1 mm (0.004 inch)

No. 2
Standard 0.04 - 0.085 mm (0.0015 - 0.0033 inch)
Limit 0.1 mm (0.004 inch)

End gap
No. 1
Standard 0.15 - 0.30 mm (0.0059 - 0.012 inch)
Limit 1.0 mm (0.039 inch)

No. 2
Standard 0.30 - 0.45 mm (0.012 - 0.0177 inch)
Limit 1.0 mm (0.039 inch)

Oil ring side rail
Standard 0.2 - 0.7 mm (0.0078 - 0.0275 inch)
Limit 1.0 mm (0.039 inch)