Service Manual
3.
Choke
Adjustment
Refer to Figure
9-8.
Proper choke adjustment is es-
sential for obtaining consistent starting at low tem-
peratures and wide open operation under normal
running conditions.
1.
Shut
off
the engine and loosen the choke rod
clamp screw
so
that the rod is free to move
in
the choke swivel.
2.
Move the throttle control lever to align the lock
pin holes in the control plate and throttle control
lever and insert a pin, making sure the pin ex-
tends past the choke lever to function as a stop
for
the choke lever.
3.
Push the choke rod towards the carburetor to
make sure the choke is fully open.
4.
Rotate the choke lever towards the carburetor
until the lever bears against the pin stop.
5.
Tighten the choke rod clamp screw. For Spec
A
gasoline engines there must be a
0.01
to
0.03
inch (0.25 to
0.76
mm) gap, as shown, between
the choke and throttle control levers.
6.
Remove the air filter paper element and check
that the choke is fully open. Remove the lock
pin in the control plate and check operation
of
the choke linkage.
If
the linkage binds, replace
the components that are damaged.
7.
Proceed to the following
speed
control cable
adjustment.
SPECS
BAND
C
9/64
IN.
(3.5
mm)
MAKE
SURE
THE
LOCK
PIN EXTENDS
LEVER
TO FUNCTION
AS
A
STOP
FOR
THE
LEVER
PAST
THE
CHOKE
SPEC
A
0.01
to
0.03
in.
(0.26
to
0.76
mm)
GAP
FIGURE
9-8.
CHOKE ADJUSTMENT
9-9