With the engine cold,
remove the paper
filter element and
check the choke
valve.
Partially or
totally
open
Remove the air cleaner case.
Push the choke valve open,
and let it go. Check that the
choke valve snaps back to
the choke CLOSED position.
Normal
Inspect the choke control
assembly linkage for smooth
operation. If it operates
properly, replace the
thermowax (P. 8-10
). Inspect
operation of the choke control
(see below).
Replace the carburetor
(P. 8 - 2
).
Start the engine and
check to see if the
choke opens within 3
minutes.
Opens
too slowly
or does
not open
Allow the engine to cool.
Push the choke valve open
and release it. The choke
should open smoothly and
snap closed when released.
Hard to
move
Replace the carburetor
assembly (P. 8 - 2
) and the
spark plug (P. 3 - 8
).
Remove the carburetor
and inspect the choke
control assembly linkage
for smooth operation. If it
operates properly, replace
the thermowax assembly
(P. 8 -1 0
).
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