4
Fig. 4-
15
fig.
4-16
Fig.
4-17
fig
.
4-18
4:5
4-A
-3.
Inspecting
Carburetor
Note:
Before inspecting, wash
all parts in clean
gasoline,
blow
the
fuel passages with compressed air, and remove
all
dirt
.
Never
use a wire for cleani
ng
the
jets.
I.
Inspect the air horn, main body and throttle body
for cracks and breakage.
2.
Inspect the choke shaft and the throttle shaft for
wear.
Worn
throttle shaft allows air
to
enter into
the combustion chamber and mixture
at
low speed
becomes lean.
3. Check the float needle and seat for wear
or
rust.
4.
Check the float for damage.
5. Examine
all
jets and air bleeds for clog.
If
it
exists,
clean in gasoline and blow with compressed air.
Never
use
a wire. A wire may enlarge the hole or
passage, changing the calibration
of
the carburetor.
6. Inspect the accelerating pump plunger cup. Replace
the plunger
it
is
worn
or
damaged.
7. Check the diaphragm for damage.
8. Inspect the mixture adjust screw for burres or ridges.
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