Chapter 3: Air Intake and filter
25
Air filter housing
To remove the air filter housing:
1. Remove the air filter by following the steps
described above.
2. Remove the screw that holds the air filter hous-
ing to the control bracket. See Figure 3.7.
3. Remove the two nuts that hold the air filter body
to the carburetor mounting studs.
See Figure 3.7.
4. Disconnect the crankcase vent tube.
See Figure 3.8.
Figure 3.7
Crankcase vent tube
Filter mounting screw
Figure 3.8
crankcase vent tube
Primer line
5. Disconnect the primer line. See Figure 3.8.
6. Lift away the filter housing.
7. The primer can be removed from the air filter
housing by squeezing together the two sets of
barbs while pushing the primer out of the hous-
ing. See Figure 3.9.
NOTE: Behind the filter housing is a steel plate
with formed rubber gaskets vulcanized to each
surface. See Figure 3.10.
NOTE: Mark or note the orientation of the plate.
Notches in the plate allow air to reach emulsion
ports: one for the main jet and one for the pilot
jet. Channels in the rubber provide air passage
to the choke-side bowl vent.
Figure 3.9
Squeeze the barbs together,
then push
Figure 3.10
Gasket / plate
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