Piston Ring, Engine

PISTON RING
Clearance between piston ring and ring groove
No.1
Standard Value 0.02 - 0.06 mm (0.001 - 0.002 in)
Limit 0.10 mm (0.004 in)
No.2
Standard Value 0.02 - 0.06 mm (0.001 - 0.002 in)
Limit 0.10 mm (0.004 in)

Piston ring end gap
No.1
Standard Value 0.18 - 0.28 mm (0.007 - 0.011 in)
Limit 0.8 mm (0.03 in)
No.2
Standard Value 0.28 - 0.43 mm (0.011 - 0.017 in)
Limit 0.8 mm (0.03 in)
Oil
Standard Value 0.10 - 0.34 mm (0.004 - 0.013 in)
Limit 1.0 mm (0.04 in)