Mustang Online Parts Source
Mustang Online Parts Source

Four Speed Gearbox and Clutch

# PART # NOMENCLATURE
1 G-1-2 Shell - Gear Box
2 G-2-6 Case - Kickstarter
3 G-3-2 Cover - Kickstarter Case
4 G-5-3 Washer - Joint, Gear Box
5 G-5-4 Washer - Joint, Kickstarter Case
6 G-6-2 Driving Gear - 28 Teeth
7 G-7-2 Layshaft Pinion - l8 Teeth
8 G-8-1 Third Gear - Mainshaft, 25 Teeth
9 G-9-1 Third Gear - Layshaft, 21 Teeth
10 G-10-2 Second Gear - Mainshaft, 22 Teeth
11 G-11-2 Second Gear - Layshaft, 24 Teeth
12 G-12-2 First Gear - Mainshaft, 17 Teeth
13 G-13-2 First Gear - Layshaft, 29 Teeth
14 G-18-2 Mainshaft
15 G-19-2 Layshaft
16 G-20-1 Ratchet Pinion
17 G-21-2 Driving Ratchet
18 G-22-1 Kickstarter Quadrant
19 G-23-1 Kickstarter Spindle
20 G-24-2 Quadrant Spindle
21 G-25-2 Quadrant
22 G-27-2 Cam Spindle
23 G-28-1 Cam
24 G-29-4 Fork Spindle, Complete (Layshaft) 1 pc.
25 G-29-6 Fork Spindle, Complete (Mainshaft) 1 pc.
26 G-31-24 Driving Sprocket - 19 Teeth
27 G-32-2 Clutch Cam (Fixed)
28 G-33-3 Clutch Cam (Adjustable)
29 G-34-2 Chain Wheel
30 G-35-2 Mainshaft Sleeve
31 G-36-5 Clutch Case
32 G-37-5 Clutch Center
33 G-38-2 Spring Plate
34 G-39-1 Clutch Plate - Plain (Thin) Obsolete
35 G-39-4 Clutch Plate - Plain (Thick)
36 G-40-12 Insert Plate - Clutch
37 G-41-5 Clutch Inserts - Fabric (96 Per Set)
38 G-42-3 Cam Plunger
39 G-42-2 Spring Cups
41 G-44-8 Foot Changer Lever (Straight)
43 G-47-1 Foot Change Indicator
44 G-48-1 Rubber - Foot Change Lever
45 10-2-2 Bolt - Foot Change Lever
46 10-4-1 Bolt - Kickstarter Lever
47 11-2-1 Nut - Foot Change Lever Bolt
48 11-2-2 Nut - Adjuster Stud
49 11-2-3 Nut - Cam Spindle
50 11-4-1 Nut - Kickstarter Lever Bolt
51 11-7-8 Nut - Thrust Cup
52 11-7-10 Nut - Mainshaft (Kickstarter End)
53 11-7-11 Nut - Mainshaft (Clutch End)
54 11-11-12 Nut - Driving Gear
55 12-2-1 Washer - Foot Change Lever Bolt
56 12-2-4 Washer - Clutch Cam
57 12-4-1 Washer - Kickstarter Lever
58 12-5-2 Washer - Quadrant Spindle
59 12-5-4 Washer - Oil Level Plug
60 12-7-4 Washer - Selector Spindle Cover
61 12-7-5 Washer - Lock, Mainshaft Nut
62 12-7-6 Washer - Drain Plug
63 12-7-7 Washer - Plain, Mainshaft Nut
64 12-8-8 Washer - Layshaft Cover
65 12-10-2 Roller Race
66 12-10-3 Washer - Thin (Roller Race)
67 12-10-4 Washer - Thick (Roller Race)
68 14-2-1 Adjuster Stud
69 14-2-3 Screw
70 14-2-4 Screw
71 14-2-5 Screw
72 14-2-6 Screw
73 14-2-10 Screw
74 16-1-4 Cotter Pin - Selector Spindle Peg
75 16-1-5 Cotter Pin - Cam Dowel
76 17-3-2 Steel Ball, 5/16" Dia.
77 18-2-1 Rollers - 24 Per Set
78 19-7-3 Bushing - Ratchet Pinion
79 19-8-13 Bushing - Driving Gear
80 19-8-14 Bushing - Layshaft First Gear
81 19-8-15 Bushing - Layshaft Second Gear
82 19-8-15 Bushing - Mainshaft Third Gear
83 20-3-1 Bushing - Quadrant Spindle
84 20-4-1 Bushing - Cam Spindle (Inner)
85 20-4-2 Bushing - Foot Spindle (Outer)
86 20-7-1 Bushing - Layshaft (Clutch End)
87 20-7-2 Bushing - Kickstarter (Inner)
88 20-7-3 Bushing - Layshaft (Kickstarter)
89 20-8-9 Bushing - Quadrant Spindle (Outer)
90 20-8-14 Bushing - Kickstarter (Outer)
91 21-5-1 Plug - Oil Level
92 21-7-5 Plug - Drain, Gearbox
93 21-10-1 Plug - Filler, Gearbox
94 25-7-3 Thrust Cap
95 27-4-2 Oil Seal - Foot Change Indicator
96 27-7-4 Oil Seal - Selector Spindle
97 27-7-5 Oil Seal - Kickstarter Spindle
98 27-12-2 Oil Seal - Driving Gear
99 28-12-16 Collar - Sprocket Spacing
100 28-12-45 Locating Piece-Kickstarter Case Cover
101 29-2-4 Rivets - Chainwheel
102 31-11-1 Ring - Bearing Retaining
103 31-12-2 Ring - Bearing Retaining
104 35-1-1 Dowel - Clutch Cam Retaining
105 35-1-2 Dowel - Layshaft Bushing
106 35-1-6 Pin - Foot Change Lever Rubber
107 35-2-1 Pin - Kickstarter Spring
108 35-2-2 Peg - Cam Locating
109 35-2-6 Peg - Quadrant Drive
110 35-3-1 Peg - Selector Spindle
111 35-3-2 Dowel - Gearbox & Kickstarter Case
112 35-3-4 Dowel - Clutch Cam
113 36-2-1 Spring - Cam Plunger
114 36-2-3 Spring - Clutch Cam
115 36-4-1 Spring - Oil Seal
116 36-6-1 Spring - Clutch
117 36-8-1 Spring - Kickstarter
118 36-8-2 Spring - Ratchet Pinion
119 36-8-3 Spring - Return, Secondary
120 36-11-1 Spring - Return, Primary
121 37-3-4 Clutch Rod
122 38-7-1 Bearing - Mainshaft
123 38-11-1 Bearing - Driving Gear
124 39-12-1 Housing - Oil Seal, Driving Gear
125 12-11-2 Washer - Lock
126 12-7-22 Washer - Lock
127 M-1377-4 Clutch Plate - Coropreme
128 11-4-3 Nut
129 12-4-3 Washer
130 12-6-4 Washer - Lock
131 G-45-2 Pedal
132 G-43-8 Lever
134 21-10-3 Plug Inspection
135 12-10-5 Washer Inspection Plug
* G-29-2 Selector Fork Only (Old Style)
* G-30-2 Spindle - Selector Fork (Old Style)
NOTE! SEE 3-Speed PARTS LIST FOR STANDARD KICKSTARTER ASSEMBLY