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1975 Yamaha SR643 Carburetor

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Diagrams Shown are for U.S. Models

Carburetor

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
1
Carburetor Assembly 1
2
. Diaphragm, Pump
2
Carburetor Assembly 2
3
. O-Ring
4
. O-Ring
5
Body, Pump 1
6
$7.99
$6.87
7
. Valve, Check
$31.99
$27.51
8
Body, Pump 2
9
Valve Seat Assembly I.D NO. K1.8
10
. O-Ring
11
. .Pin, Float
$6.60
$5.68
12
Plate, Pin Fitting
13
. Screw, Pan Head
$1.15
$0.99
14
Arm, Float
15
. Spring
16
Pin, Float Arm
17
. Screw, Flat Head
$1.75
$1.50
18
19
20
21
. Washer
22
. Diaphragm
$35.99
$30.95
23
24
Seat, Spring
25
Body, Pump 3
26
$2.80
$2.41
27
. Screw, Stop
28
29
. O-Ring
30
. Washer
31
Spring, Ajst Screw
32
. Screw, Adjust
33
. O-Ring
34
. Washer
35
Spring, Ajst Screw
36
Screw, Adjust
37
Screw, Stop
38
Spring, Ajst Screw
39
40
Washer, Lock
41
$1.20
$1.03
42
44
. Screw, Adjust
45
Bracket, Throttle
46
Washer, In.Tooth
47
. Bolt, Hexagon
$1.70
$1.46
48
Connector
50
. Washer, Plain
$1.25
$1.08
51
. Screw, Pan Head
$2.55
$2.19
52
53
$1.90
$1.63
54
. Screw
55
. Washer
56
. Pipe, Airvent
57
58
. Cap, Blind
59
. Screw, Pan Head
$3.65
$3.14
59
Carburetor Kit ALTERNATE PARTS
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