5.9
Section 5
Fuel System and Governor
5
Welch Plug Removal
In order to clean the “off-idle” ports and bowl vent
thoroughly, remove the welch plug covering these
areas.
Use Tool No.
KLR1018
and the following procedure to
remove the welch plug. See Figure 5-9.
1. Pierce the welch plug with the tip of the tool.
NOTE:
To prevent damage to the carburetor, do
not allow the tool to strike the carburetor
body.
2. Pry out the welch plug with the tip of the tool.
Figure 5-9. Removing Welch Plug.
Fuel Inlet Seat Removal
To remove the fuel inlet seat, pull it out of the
carburetor body using a screw, drill bit, or similar tool.
NOTE:
Always install a new fuel inlet seat. Do not
reinstall a seat that has been removed.
Choke Shaft Removal
1. Because the edges of the choke plate are beveled,
mark the choke plate and carburetor body to
ensure correct reassembly. See Figure 5-10.
Also take note of the choke plate position in bore,
and the position of the choke lever and choke
return spring.
Figure 5-10. Marking Choke Plate and Carburetor
Body.
2. Grasp the choke plate with a pliers. Pull it out of
the slot in the choke shaft. See Figure 5-11.
Figure 5-11. Removing Choke Plate.
3. Remove the choke shaft and choke return spring.
Throttle Shaft Removal
1. Because the edges of the throttle plate are
beveled, mark the throttle plate and carburetor
body to ensure correct reassembly.
Also take note of the throttle plate position in
bore, and the position of the throttle lever.
2. Carefully and slowly remove the screws securing
the throttle plate to the throttle shaft. Remove the
throttle plate.
3. File off any burrs which may have been left on
the throttle shaft when the screws were removed.
Do this
before
removing the throttle shaft from
the carburetor body.
Choke Plate
Choke Plate
Carburetor Body
Tool No. KLR1018
Pry Out Plug
Pierce Plug
With Tip
Welch Plug
Do Not Allow Tip
To Strike
Carburetor Body
