Info

Carburetor body

1. Snap ring 28

2. Connecting link 29

3. Pipe 30

4. Plate washer 31

5. Choke valve relief spring 32

7. Screw 34

8. Choke valve 35

9. Choke shaft 36

10. Screw 37

11. Choke lever 38

12. Case gasket 39

13. Diaphragm subassembly 40

14. Cotter pin 41

15. Washer 42

16. Spring 43

18. Pump arm set screw 45

19. Pump connecting link 46

20. Retainer ring 47

21. Shim 48

22. Idle adjusting screw 49

23. Retainer ring 50

24. Flange gasket 51

25. Primary throttle shaft shim 52

26. Idle adjusting screw spring 53

27. 1st idle connector 54

High speed valve stop lever spring High speed valve stop lever Stop lever set screw

High speed valve

Throttle shaft link

Secondary throttle return spring

Lock washer

Secondary throttle lever

Return spring arm Throttle lever Primary throttle shaft Secondary throttle shaft High speed shaft 1st idle adjusting lever

Secondary throttle valve Primary throttle shaft Throttle adjusting screw

Primary throttle valve

Lock washer

Fig. 5-63 Removing Pump 01902 Arm with Link

Disassembly

For disassembling, and assembling operations of the carburetor, the Carburetor Driver Set (09860-11010) and Carburetor adjusting gauge (09240-00010) or (09240-60050) should be utilized.

Proper wrenches with correct sizes should be used, and the parts removed must be thoroughly washed with clean gasoline or carburetor cleaning fluid.

These removed parts should be kept in clean container to faciliate the assembly.

1. Remove the snap ring of pump connecting link (5), loosen and remove the pump arm securing screw (3), and then remove the pump arm (1) and connecting link.

5. Carburetor body disassembly.

a. Remove the pump plunger spring (1), if necessary to remove the steel ball, remove the check ball retainer (2), and take out the steel ball (3).

Fig. 5-64 Removing Links 01903

Fig. 5-66 Removing Pump 01905 Discharge Weight

Fig. 5-63 Removing Pump 01902 Arm with Link

2. Loosen and remove the choke wire clamp securing screw (6), and remove the choke wire clamp (4), magnetic valve (2) and gasket from the air-horn.

3. Remove the snap ring of the connecting link (2), connector (3) and 1st idle connector (1) from the carburetor. (Fig. 5.64)

4. Loosen and remove the air horn retaining screws, then remove the diaphragm, and separate the air horn from the carburetor body. Also remove the gasket.

When removing, remove the air-horn straight upward without damaging the float.

Fig. 5-64 Removing Links 01903

Fig. o-65 Removing Pump 01904 Spring b. Remove the gasket (1), stopper (2), pump discharge weight (3), and steel ball (4).

Fig. 5-66 Removing Pump 01905 Discharge Weight d. Loosen and remove the two slow jets (1). (Fig. 5-69 )

Fig. 5-68 Removing Power 01907 Valve c. Loosen and remove the primary main venturi retaining screws, and removed the primary main venturi (1) and the gasket.

Fig. 5-67 Removing Ven-

Fig. 5-70 Removing Pri- 01909 mary and Secondary Main Jets c. Loosen and remove the primary main venturi retaining screws, and removed the primary main venturi (1) and the gasket.

Fig. 5-67 Removing Ven-

Loosen and remove the secondary small venturi retaining screws and remove the secondary small venturi (2) and the gasket from the carburetor body.

d. Loosen and remove the two slow jets (1). (Fig. 5-69 )

Fig. 5-68 Removing Power 01907 Valve e. Loosen and remove the power valve sub-assembly (2) with the power valve wrench (3) in the Carburetor Driver Set 09860-11010.

If necessary to remove the power jet, loosen and remove the power jet from the power valve. (Fig. 5-

f. For removing the primary . main jet (3), loosen and remove the main passage plug (1) with

Fig. 5-69 Removing Slow 01908 Jets and Power Valve

Fig. 5-70 Removing Pri- 01909 mary and Secondary Main Jets g. Loosen and remove the two screws, remove the level gage clamp, glass and gasket.

h. Loosen and remove the two bolts on the carburetor body and the retaining screw on the flange, and separate the flange from the carburetor body. (Fig. 5-71 ).

i. Loosen and remove the screw (4), remove the lever (5) and washer (6). (Fig. 5-72).

Fig. 5-69 Removing Slow 01908 Jets and Power Valve the primary main spare jet (2), and then loosen and remove the primary main jet with the gasket. For removing the secondary main jet (4), loosen and remove it in the same manner as primary main jet. (Fig. 5.70).

(J) Slide the high speed shaft from the flange (7).

the high speed valve stop lever (1) and high speed valve stop lever spring (2).

Fig. 5-71 Removing Retain- 01910 ing Screws

Fig. 5-71 Removing Retain- 01910 ing Screws ftt

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