ENGINE
3.27
EXHAUST VALVE
CLEARANCE
ADJUSTMENT
Feeler Gauge for Both Valves
425/500 Engine
NOTE:The exhaust valves share a common rocker
arm, and must be adjusted using two feeler gauges.
1. Insert .006 feeler gauge(s) between end of
exhaust valve stem and adjuster screw(s).
2. Loosen locknut(s) and turn adjuster screw(s) until
there is a slight drag on feeler gauge(s). The
Valve/Clutch Adjuster Tool (PA--44689) can be
used to adjust the 425/500 engines valves.
NOTE: Both feeler gauges should remain
inserted during adjustment of each valve.
.006² (.15 mm)
EXHAUST VALVE CLEARANCE
3. When clearance is correct, hold adjuster screw
and tighten locknut securely
4. Re-check the valve clearance.
5. Repeat adjustment procedure if necessary until
clearance is correct with locknut secured.
CYLINDER/PISTON REMOVAL
AND
INSPECTION
NOTE: Follow engine disassembly procedures to
remove valve cover, camshaft and rocker arms, and
cylinder head.
1. Remove cam chain guide at front of cylinder .
2. Loosen all four oil pipe banjo bolts and then
remove the bolts and eight sealing washers.
Remove the pipes.
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