Piston Ring Side Clearance
- Measure side clearance of piston ring and piston ring groove with feeler gauge.
Standard
Top ring: 0.040 - 0.080 mm (0.0016 - 0.0031 in)
2nd ring: 0.030 - 0.070 mm (0.0012 - 0.0028 in)
Oil ring: 0.065 - 0.135 mm (0.0026 - 0.0053 in)
Limit
Top ring: 0.11 mm (0.0043 in)
2nd ring: 0.10 mm (0.004 in)
Oil ring: -
- If out of specification, replace piston and/or piston ring assembly.