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  5. Carter BB Updraft Exploded View
Carter BB Updraft carburetor exploded view and parts list. This is a general exploded view and parts list. Your carburetor may vary slightly.
Carter BB Updraft1 Throttle lever clamp screw
2 Throttle lever
3 Throttle shaft dog and clamp screw
4 Throttle lever adjusting screw
5 Pump arm and lock screw
6 Throttle valve shaft
7 Throttle valve attaching screws
8 Pump link and screw
9 Pump link cover plates
10 Throttle valve
11 Carburetor to manifold stud
12 Throttle lever and wire clamp
13 Throttle lever adjusting screw spring
14 Carburetor body - upper
15 Venturi gasket - upper
16 Venturi
17 Pump collar
18 Pump spring
19 Pump piston
20 Pump collar pin
21 Pump rod gasket
22 Pump rod plate and rod assembly
23 Pump sleeve
24 Nozzle and gasket
25 Choker valve attaching screw
26 Choker stub shaft
27 Choker valve
28 Choke tube bracket
29 Choke tube bracket attaching screw
30 Choker valve attaching screw
31 Choker valve lever and shaft
32 Choke tube bracket attaching screw
33 Carburetor body
34 Float lever pin and plug assembly
35 Float lever pin bushing
36 Tube clamp fastening screw and lock washer
37 Tube clamp
38 Packing retainer
39 Felt
40 Flange gasket
41 Idle adjustment screw spring
42 Idle adjustment screw
43 Body attaching screw and lock washer
44 Idle hole plug
45 Not usd
46 Body gasket
47 Venturi gasket
48 Idle passage tube
49 Step up piston spring
50 Step up piston plug
51 Step up piston plug
52 Step up push rod
53 Float and lever assembly
54 Idle orifice tube
55 Pump valve assembly
56 Step up valve cage and ball assembly
57 Body vent tube
58 Check valve cage assembly
59 Gasoline intake needle
60 Needle seat gasket
61 Needle seat
62 Main metering screw gasket
63 Main metering screw


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