Piston Ring, Engine

DIMENSIONS
End Gap:
No.1 Ring:
Standard Value 0.25 - 0.35 mm (0.0098 - 0.0138 inch)
Wear Limit 0.8 mm (0.031 inch)
No.2 Ring:
Standard Value 0.40 - 0.55 mm (0.0157 - 0.0217 inch)
Wear Limit 0.8 mm (0.031 inch)
Oil Ring:
Standard Value 0.10 - 0.40 mm (0.0039 - 0.0157 inch)
Wear Limit 1.0 mm (0.039 inch)

Ring Clearance:
No.1 Ring:
Standard Value 0.04 - 0.08 mm (0.0016 - 0.0031 inch)
Wear Limit 0.1 mm (0.004 inch)
No.2 Ring:
Standard Value 0.02 - 0.06 mm (0.0008 - 0.0024 inch)
Wear Limit 0.1 mm (0.004 inch)