Piston Ring End Gap
- Make sure that cylinder bore inner diameter is within the specification. Refer to [SERVICE DATA AND SPECIFICATIONS ].
- Lubricate with new engine oil to piston and piston ring, and then insert piston ring until middle of cylinder with piston, and measure piston ring end gap with a feeler gauge.
Standard:
Top ring: 0.21 - 0.31 mm (0.0083 - 0.0122 in)
2nd ring: 0.32 - 0.47 mm (0.0126 - 0.0185 in)
Oil ring (rail ring): 0.20 - 0.60 mm (0.0079 - 0.0236 in)
Limit:
Top ring: 0.54 mm (0.0213 in)
2nd ring: 0.65 mm (0.0256 in)
Oil ring (rail ring): 0.95 mm (0.0374 in)
- If the measured value exceeds the limit, replace piston ring, and measure again.