Subaru Robin Power Products EY20V 6INTAKE and Exhaust Valves, Valve and Valve Guide Clearance

5-4-6INTAKE and EXHAUST VALVES

Remove carbon and gum deposite from the valves, valve seats, intake and exhaust ports and valve guides.

Note: I f the valve faceis dinted or warped, replace the valves with new ones.

Note: if there is an excessive clearancebetween the valve guide andvalve stem, replace the valve guide with a spare. For replacing, pull outthe valveguide, using the valve guide puller and bolts as shown in Fig. 31, and press-fita new valve guide into place.

3O53' 1 Puller

			Fig- 31
		Guide	VALVE and VALVE GUIDE CLEARANCE
			EY15V	EYZOV
		I
A-VALVE FACE ANGLE			45"
I 8-SEAT ANGLE		I	45"
C-GUIDEINSIDE DIA.	I		6.5 dia.	+0.022
				0
		INTAKE		-0.025
			6.5 dia. -o.040
D - VALVE STEM OUTSIDE DIA	La			-0.056
			6.5 dia. -o.078
MAXIMUM ALLOWABLE			0.025L -0.062L
CLEARANCE BETWEEN C & D		EXHAUST	0.056L -0.1OOL

L: LOOSE

Fig. 32

I

I

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