Piston Ring Gap and Groove Clearances

Piston Ring Side Clearance:
Standard value:
No.1 0.04 - 0.085 mm (0.0016 - 0.0031 inch)
No.2 0.04 - 0.085 mm (0.0016 - 0.0031 inch)
Limit:
No.1 0.1 mm (0.004 inch)
No.2 0.1 mm (0.004 inch)
Piston Ring End Gap:
No.1:
Standard 0.15 - 0.30 mm (0.0059 - 0.0118 inch)
Limit 1 mm (0.039 inch)
No.2:
Standard 0.25 - 0.40 mm (0.008 - 0.014 inch)
Limit 1 mm (0.039 inch)
Oil Ring Side Rail End Gap:
Standard 0.20 - 0.70 mm (0.078 - 0.0275 inch)
Limit 1 mm (0.039 inch)