Service Manual

FUEL SYSTEM 3-11
Carburetor
Carburetor Disassembly/Assembly
•
Refer to the illustration shown for disassembly and assembly.
•
There are several passage plugs (Ball plugs) in the carburetor body.
Do not remove.
•
Before disassembly, mark the out side of choke valve and throttle
valves for assembling them.
•
Replace the pilot screw in accordance with the following procedure if
necessary.

Carefully mark the position of the pilot screw limiter on the carburetor
body so that it can be installed and set to its original position later.

Remove the limiter. Be careful not to turn pilot screw at this point.

Turn the pilot screw clockwise and count the number of turns until
screw is gently seated in the pilot passage. Record the number of
turns needed to closed the screw.

Turn out the pilot screw to replace it with a new one.

Install the new pilot screw until the screw is gently seated. Then open
the screw the same number of turns as recorded prior to removal.

Align the limiter with the mark on the carburetor body to install, taking
care not to turn the pilot screw.
•
Install the choke valve and throttle valve on the shaft as the out side
mark of them facing out side.
•
Drive the float pin into the carburetor body from the choke valve side.
•
Assemble carburetor parts with recommended tightening torque (see
Exploded View).
1. Limiter
2. Pilot Screw
3. Spring
4. Washer
5. O-Ring
6. Low Idle Speed Screw
7. Spring
8. Screws
9. Throttle Valve
10. Throttle Shaft
11. Dust Seal
12. Choke Valve
13. Choke Shaft
14. Dust Seal
15. Bolt
16. Gasket
17. Float Chamber
18. Gasket
19. Float Pin
20. Float
21. Main Jet
22. Nozzle Assembly
23. Float Valve