1973 Yamaha GP643B Carburetor

Change Assembly
Diagrams Shown are for U.S. Models

Carburetor

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
$9.99
1
Carburetor Assembly 1
2
. Diaphragm, Pump
2
Carburetor Assembly 2
3
Body, Pump 1
4
$7.99
5
. Valve, Check
$31.99
6
Body, Pump 2
7
. Valve, Needle
$21.99
8
. .Pin, Float
$6.60
9
. Spring
10
Arm, Float
11
Pin, Float Arm
12
. Screw, Flat Head
$2.95
13
. Washer
14
. Pipe, Airvent
15
. Screw
16
. Cap, Blind
17
18
. Washer
19
. Diaphragm
$35.99
20
21
Seat, Spring
22
Body, Pump 3
23
$2.95
24
. Screw, Stop
25
26
. O-Ring
27
. Washer
28
Spring, Ajst Screw
29
Screw, Adjust
30
Screw, Adjust
31
. O-Ring
32
. Washer
33
Spring, Ajst Screw
34
. Screw, Main Adjuster
35
Screw, Stop
36
Spring, Ajst Screw
37
Bracket, Throttle
38
. Bolt, Hexagon
$2.95
39
. Washer, Spring
$2.95
40
. Screw, Pan Head ALTERNATE PARTS
$3.65
41
43
Connector
44
Screw, Stop
45
. Washer, Plain
$2.95
47
48
. .Washer, Spring
$2.95

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