Piston Ring, Engine

Piston ring to ring groove clearance mm (in)
Number 1
STANDARD VALUE 0.03 - 0.07 (0.0012 - 0.0027)
LIMIT 0.1 (0.003)
Number 2
STANDARD VALUE 0.02 - 0.06 (0.0008 - 0.0023)
LIMIT 0.1 (0.003)
Piston ring end gap mm (in)
Number 1
STANDARD VALUE 0.25- 0.40 (0.010 - 0.016)
LIMIT 0.8 (0.03)
Number 2
STANDARD VALUE 0.35 - 0.50 (0.014 - 0.019)
LIMIT 0.8 (0.03)
Oil ring side rail
STANDARD VALUE 0.10 - 0.35 (0.003 - 0.014)
LIMIT 1.0 (0.03)