Piston Ring, Engine

Ring groove clearance	Top		0.03 - 0.07 m
	2nd		0.02 - 0.06 mm
Piston ring end gap	Top ring	Standard	0.20 - 0.35 mm
		Limit	0.7 mm
	2nd ring	Standard	0.35 - 0.50 mm
		Limit	0.7 mm
	Oil ring	Standard	0.20 - 0.70 mm
		Limit	1.8 mm