Piston Ring: Specifications

Piston Ring
Piston ring side clearance
No.1
Standard value 0.03 - 0.07 mm (0.0012 - 0.0028 inch)
Limit 0.1 mm (0.0039 inch)
No.2
Standard value 0.02 - 0.06 mm (0.0008 - 0.0024 inch)
Limit 0.1 mm (0.003 inch)
Piston ring end gap
No.1
Standard value 0.20 - 0.30 mm (0.0079 - 0.0118 inch)
Limit 0.8 mm (0.031 inch)
No.2
Standard value 0.35 - 0.50 mm (0.0128 - 0.0197 inch)
Limit 0.8 mm (0.031 inch)
Oil ring
Standard value 0.10 - 0.04 mm (0.0039 - 0.0157 inch)
Limit 1.0 mm (0.039 inch)