FIGURE
6-19.
CHOKE
ASSEMBLY
If the engine starts but runs roughly and blows out
black smoke after a minute
or
two of operation, the
choke is set too rich.
If
the engine starts but sputters
or stops before it warms up, the choke
is
set too lean.
Choke
Adjustment:
Table 6-3 lists the choke settings
for various ambient temperatures. Stop the set and
allow
it
to
cool down before making adjustments. Use
TABLE
6-3.
CHOKE
ADJUSTMENTS
Ambient Air
Temperature
40" F
(4"
C)
45"
F
(7"
C)
50°F (10°C)
55°F
(13°C)
60°F (16°C)
70°F (21°C)
75"
F (24" C)
80"
F (27" C)
90" F (32°C)
950
F
(35" C)
100"
F
(38°C)
650~
(18°C)
a50 F (290 c)
*Each mark on choke hou
angular rotation.
Rotation From
Reference Mark*
(Fully Closed)
OD
4"
cw
8"
CW
12"
cw
16" CW
20"
cw
24" CW
27" CW
32" CW
35"
cw
39"
cw
43"
cw
47"
cw
ng equals
5"
PLASTIC
COVER
XFS-1605
the following procedures to adjust.
1.
Remove the protective plastic choke cover (see
Figure 6-19) and loosen the heating element
cover screws.
2. Rotate heating element until choke plate is about
halfway open.
3.
Slowly rotate cover counterclockwise
(CCW)
while tapping thecarburetor choke lever and mak-
ing the choke lever bounce. Continue rotation until
tapping the choke lever no longer makes
it
bounce. This
is
the fully-closed position and
becomes the reference position.
O~~TER
TAB
FS-1606
FIGURE
6-20.
BI-METAL SPIRAL
STRIP
6-1
7
Redistribution or publication of this document
by any means, is strictly prohibited.
Redistribution or publication of this document
by any means, is strictly prohibited.
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