Engine
Does
Not
Run
Smoothly
*
soon.
Idle speed
is
not stable
or
stalls.
Faulty Automatic
SE
valve Inspect:
P. 6-5
(Automatic
SE
type).
4
Wet fouled spark plug caused
Remove spark plug, clean and
+
from excessive starter valve
application (Manual SE type)
SE:
Starting Enrichment
Carburetor pilot screw and/or
throttle stop screw misadjusted.
Adjust:
P.
3-1
1,
6-9
reinstall
it.
Close the
SE
valve
and restart the engine.
*
Drain the carburetor and prime
again.
If
still not good, check the
carburetor float valve.
Low cylinder compression.
I
I
I
Check for defective cylinder
head gasket, valves or valve
seats.
Check that the cylinder head
is correctly tightened.
Check for worn piston, piston
rings or cylinder.
Loose carburetor mounting bolts
and intake manifold mounting
bolts, and/or damaged carbure-
tor insulator and gasket.
Retighten the carburetor
mounting bolts or intake mani-
fold bolts,
if
they are loose.
Make sure the carburetor and
insulator are installed correct-
ly. Replace the gaskets if they
1
are damaged.
Readjust:
P.3-7
2-1
3
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