Yamaha 5HN-28199-13, LIT-11626-16-27 manual 34

	MAINTENANCE SPECIFICATIONS			SPEC
	Item	Standard			Limit
Piston:
Piston to cylinder clearance		0.025 ~ 0.045 mm		0.15 mm
		(0.0010 ~ 0.0018 in)		(0.0059 in)
Piston size “D”		46.960 ~ 46.975 mm	----
		(1.8488 ~ 1.8494 in)

		H
D
Piston over size		(2nd)			47.5 mm (1.8701 in)	----
		(4th)			48.0 mm (1.8898 in)	----
Measuring point “H”					4 mm (0.16 in)	----
Piston off-set					0.75 mm (0.0295 in)	----
Piston pin bore inside diameter					13.002 ~ 13.013 mm	13.045 mm
					(0.5119 ~ 0.5123 in)	(0.5136 in)
Piston pin outside diameter					12.996 ~ 13.000 mm	12.976 mm
					(0.5117 ~ 0.5118 in)	(0.5109 in)
Piston rings:
Top ring
				B
	T
Type					Barrel	----
Dimensions (B ⋅ T)					1.0 ⋅ 2.0 mm (0.04 ⋅ 0.08 in)	----
End gap (installed)					0.10 ~ 0.25 mm	0.4 mm
					(0.004 ~ 0.010 in)	(0.016 in)
Side clearance (installed)					0.030 ~ 0.065 mm	0.12 mm
					(0.0012 ~ 0.0026 in)	(0.005 in)
2nd ring
				B
	T
Type					Taper	----
Dimensions (B ⋅ T)					1.0 ⋅ 2.0 mm (0.04 ⋅ 0.08 in)	----
End gap (installed)					0.10 ~ 0.25 mm	0.4 mm
					(0.004 ~ 0.010 in)	(0.016 in)
Side clearance					0.020 ~ 0.055 mm	0.12 mm
					(0.0008 ~ 0.0022 in)	(0.005 in)
Oil ring
			B
	T
Dimensions (B ⋅ T)					2.0 ⋅ 2.3 mm (0.08 ⋅ 0.09 in)	----
End gap (installed)					0.2 ~ 0.7 mm (0.01 ~ 0.03 in)	----
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