Piston Ring, Engine

Piston Ring
Piston ring side clearance
Number 1
Standard Value 0.04 - 0.08 mm (0.0016 - 0.0031 in)
Limit 0.1 mm (0.004 in)
Number 2
Standard Value 0.03 - 0.07 mm (0.0012 - 0.0027 in)
Limit 0.1 mm (0.004 in)
Piston ring end gap
Number 1
Standard Value 0.18 - 0.33 mm (0.008 - 0.012 in)
Limit 0.8 mm (0.03 in)
Number 2
Standard Value 0.28 - 0.48 mm (0.012 - 0.018 in)
Limit 0.8 mm (0.03 in)
Oil ring side rail
Standard Value 0.10 - 0.60 mm (0.004 - 0.023 in)
Limit 1.0 mm (0.04 in)