Piston Ring, Engine

Clearance between piston ring and ring groove mm (in)
Number 1
Standard value 0.03 - 0.07 (0.001 - 0.003)
Limit 0.1 (0.004)
Number 2
Standard value 0.03 - 0.07 (0.001 - 0.003)
Limit 0.1 (0.004)
Piston ring end gap mm (in)
Number 1
Standard value 0.15 - 0.28 (0.006 - 0.011)
Limit 0.8 (0.03)
Number 2
Standard value 0.25 - 0.40 (0.010 - 0.016)
Limit 0.8 (0.03)
Oil
Standard value 0.10 - 0.35 (0.004 - 0.014)
Limit 1.0 (0.004)