Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Section 4 - Engine Overhaul
Page 42
Remove Valve Guide
1. Press out old valve guide using bushing driver,
Tool
#19367 , Fig. 84.
Fig. 84
Install Valve Guide
1. Press in new valve guide using bushing driver,
Tool
#19416 , Fig. 85.
a. Press in until tool bottoms on valve guide
bushing boss.
Fig. 85
2. Use reamer pilot guide, Tool #19345 and finish
reamer, Tool
#19444 and ream new valve
guide, Fig. 86.
a. Use Stanisol or kerosene to lubricate reamer.
b. Turn reamer clockwise through entire guide.
c. Keep turning reamer clockwise when
removing reamer.
d. Flush out all chips.
Fig. 86
Reface Valves And Seats
1. Measure valve stem diameter at specified
distance from end of valve, as shown in Fig. 87.
Fig. 87
2. Valve seats may be reconditioned using valve
seat cutter tool
#19237 and #19343. If valve seat is
wider than dimension shown in Fig. 88, a
narrowing cutter should be used to ensure that
contact area of valve seat is centered on face of
valve as shown in Fig 89.
CAUTION: Do Not use a hammer to install bushing.
Replace if less than .233” (5.92 mm).
1.500”
(38MM)
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