Piston Ring, Engine

M44 1.9L Piston Rings
a) Upper value is wear limit

1st groove
End clearance a)	mm	0.2 - 1.0
End float a)	mm	0.02 - 0.20
2nd groove
End clearance a)	mm	0.2 - 1.0
End float a)	mm	0.02 - 0.10
3rd groove (three piece steel band ring)
End clearance	mm	0.4 - 1.4
End float	mm	not measurable