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CYLINDER HEAD AND VALVES
3. Install combustion chamber, Fig. 16.
Align locating projection on combustion chamber with
groove in cylinder head. Use a soft hammer and drive
in new combustion chamber until it bottoms.
Fig. 16 – Install Combustion Chamber
COMBUSTION
CHAMBER
CHECK AND REPAIR VALVE GUIDES
1. Check valve guide bushings for wear using reject
gauge, Tool #19382, Fig. 17.
Remove if damaged or if reject gauge enters valve
guide.
Fig. 17 – Check Valve Guide Bushing
REJECT
GAGE
2. Remove valve guide bushing if required, Fig. 18.
a. Use bushing driver, Tool #19367, and press
out valve guide bushing from combustion
chamber side.
b. Check valve guide bushing OD. Then see
specifications below.
Std. Bushing OD: – 11.05 mm (.435 in.)
Replacement Bushing OD: – 11.08 mm (.4362 in.)
c. If bushing OD measurement indicates that a
replacement bushing has already been
installed, the cylinder head must be replaced.
Fig. 18 – Remove Valve Guide Bushing
PRESSING OUT
GUIDE