Gearbox

Key

Part Number

Description

Per

Models

1

14-6504

Screw, outer chaincase, 1/4 UNC x 3/4 c’sunk Pozidrive 3 1970-72

1

21-1811

Screw 1/4″ UNF countersunk head (housing to gearbox) 3 1969

2

57-2153

Oil seal holder 1 1972

2

57-3633

Housing 1 1969-71

3

57-2165

Gasket 1 1969-70

3

71-1451

Housing gasket 1 1971-72

4

57-0448

Gear box main bearing 1 1969-70

4

60-3556

Bearing 1 1971-72

5

76-0217

Dowel (Timing cover locating) 2 1969-72

6

57-0291

Selector rod 1 1969

6

57-3989

Selector spindle A75 1 1970-72

7

57-3650

Camplate assembly 1 1969

7

57-4055

Camplate assembly 1 1970

7

57-4055

Camplate assembly 2 1971-72

8

57-2656

Dip stick 1 1969-72

9

54-0043

Set screw (camplate spring fixing) 1 1971-72

10

57-4291

Leaf spring tab washer 1 1971-72

11

57-4290

Spring 1 1971-72

12

57-4288

Leaf spring 1 1971-72

13

57-4289

Leaf spring support 1 1971-72

14

57-0397

Quadrant, camplate 1 1969-72

15

40-9190

Clip 1 1969-72

16

57-2601

Gearbox inner cover 1 1969-70

16

57-4329

Gearbox inner cover 1 1971-72

17

60-1928

Split pin, 5/64 x  1 3/8″ 2 1969-72

18

57-1896

Quadrant spindle 1 1969-72

19

14-7101

Socket cap screw, 5/16 UNC x 3-1/4 1 1969-72

20

57-0412

Gearchange spindle bush 1 1969-72

21

14-6121

Set screw,  5/16 UNC x 2-1/2 1 1969-72

22

75-0176

Washer 1 1969-72

23

14-6614

Case screw 1/4 UNC x 2-1/2 Pozidrive 2 1969-72

24

76-0217

Dowel (Timing cover locating) 2 1969-72

25

21-0594

Kickstart ratchet nut 9/16 UNF 1 1969-72

26

57-0732

Kick start lock washer 1 1969-72

27

57-0731

Ratchet 1 1969-72

28

57-0730

Kickstart pinion 1 1971-72

28

57-2170

Kickstart ratchet pinion 1 1969-70

29

57-1963

Bush 1 1969-72

30

57-1250

Spring 1 1969-72

31

57-1962

WASHER 3/4 x 1-1/8 x 1/16 1 1969-72

32

42-5821

Circlip 1 1969

32

57-0280

Circlip 1 1970

32

57-4113

Bearing circlip, 5 speed gearbox 1 1971-72

33

57-3621

Bearing 1 1969-70

33

60-3552

Bearing 1 1971-72

34

57-0912

Peg, thust washer locating 1 1969-72

35

57-1607

Thrust washer, layshaft 1 1969-72

36

57-0928

Layshaft low gear bush 1 1969-72

37

57-3163

Layshaft 1st gear complete A 1971

37

57-3862

Lay Shaft 1st gear, 4 speed, 30T 1 1969-72

38

57-3860

Layshaft 3rd gear 1 1969

38

57-3890

Layshaft third gear 22t 1 1970-72

38

57-4168

Layshaft 3rd gear (23T) A 1971

39

57-1614

Needle roller 1 1969-72

40

57-3864

Layshaft with high gear 20t 1 1969-70

40

57-4162

Layshaft c/w high gear (22T) A 1971

40

57-4345

Layshaft 1 1971-72

41

57-1607

Thrust washer, layshaft 1 1969-72

42

57-0912

Peg, thust washer locating 1 1969-72

43

57-1606

Needle roller bearing 1 1969-72

44

21-0542

Sprocket NUT, 1-1/4 UNF 1 1969

44

57-4051

Nut, sleeve gear, 4 speed 1-1/4 UNF 1 1970-72

45

57-2116

Sprocket lockwasher 1 1969-72

46

57-1917

Gearbox sprocket 18T 1 1972

46

57-1918

Gearbox sprocket, 19T, 5/8 x 3/8″ 1 1969-71

47

57-3861

Layshaft, 2nd gear, 26T 1 1969-72

47

57-4166

Layshaft 2nd gear (25T) A 1972

48

57-3858

Mainshaft 3rd gear 1 1969

48

57-3889

3rd gear, mainshaft, 23T 1 1970-72

48

57-4169

Mainshaft 3rd gear (23T) A 1971

49

57-3857

Mainshaft 2nd gear (20T) (used) 1 1969-71

49

57-4167

Mainshaft 2nd gear (21T) A 1971

49

57-4335

Gear mainshaft 2nd, 20T 1 1972

50

57-2176

Mainshaft high gear 26T 1 1969-71

50

57-4177

Mainshaft top gear complete A 1971

50

57-4346

Sleeve gear, 4 speed, late 25T 1 1972

51

57-3785

High gear bush 1 1969-70

51

57-4314

High gear bush 1 1971-72

52

57-2174

Mainshaft c/w low gear 1 1969

52

57-3982

Mainshaft with low gear 1 1970

52

57-4175

Mainshaft c/w low gear, 16T 1 1971-72

52

57-4178

Mainshaft c/w low gear A 1971

53

57-4054

‘O’ ring 1 1970-72

54

57-2172

Housing, index plunger 1 1969-70

55

57-3978

Washer, 5/8 x 15/16 x 1/32, ally 1 1970

56

57-3661

Spring, cam plunger 1 1969

56

57-4059

Spring, cam plunger 1 1970

57

57-3660

Index plunger, camplate sharper point 1 1969-70

58

57-3634

Gearbox oil seal 1 1969-72

59

21-1857

Gearbox drain plug 1 1969

59

21-1872

Timing hole plug UNC 1 1970-72

60

68-3168

O ring 1 1969

60

70-8896

O ring 1 1970-72

61

57-2596

Mainshaft selector fork 1 1969-70

61

57-4308

Selector fork, mainshaft 4 speed 1 1971-72

62

57-0913

Fork selector layshaft 1 1969-70

62

57-4307

Selector fork, layshaft 4 speed 1 1971-72

63

21-1862

Screw 2 1969-72

64

70-9327

Screw 1 1969-72

65

70-9901

Gasket (Gearbox to inner cover to crankcases) 1 1970

65

71-1447

Gearbox inner gasket 1 1971-72

66

57-2595

Camplate roller 2 1969-70

67

57-4394

Housing 1 1971-72 5 speed

68

60-3510

Sprocket oil seal 1 1971-72 5 speed

69

60-3511

Needle roller 1 1972 5 speed

69

60-3531

Bearing (Gearbox mainshaft) 1 1971  5 speed

70

21-2106

Screw 3 1971-72 5 speed

71

57-4396

Nut, gearbox sprocket 1 1971-72 5 speed

72

57-4395

Sprocket lockwasher 1 1971-72 5 speed

73

57-4397

GEARBOX SPROCKET 19T 1 1971-72 5 speed

74

57-4371

Layshaft 1 1971-72 5 speed

74

57-4382

Layshaft complete with fourth and top gears 1 1971-72 5 speed

75

68-3218

Key, Woodruff 1 1971-72 5 speed

76

57-4370

Mainshaft 5 speed (slight damage to thread – slight rust) 1 1971-72 5 speed

77

60-3500

Oil seal, sleeve gear and cover plate 1 1971-72 5 speed

78

57-4383

Layshaft high gear 1 1971-72 5 speed

79

60-3494

Circlip, 5 speed gearbox 1 1971-72 5 speed

80

57-4386

Bush 1 1971-72 5 speed

81

57-4384

4th gear, Layshaft in 5 speed gearbox 1 1971-72 5 speed

82

57-4387

Layshaft 3rd gear 1 1971-72 5 speed

83

57-4390

Bush 1 1971-72 5 speed

84

57-4388

Layshaft 2nd gear 1 1971-72 5 speed

85

57-4391

Layshaft 1st gear 1 1971-72 5 speed

86

57-4393

Bush 1 1971-72 5 speed

87

60-3494

Circlip, 5 speed gearbox 1 1971-72 5 speed

88

57-4381

Driving dog 1 1971-72 5 speed

89

57-3989

Selector spindle A75 1 1971-72 5 speed

90

57-4368

Selector fork (Rusty) 1 1971-72 5 speed

91

57-4380

Mainshaft 1st & 2nd gear 1 1971-72 5 speed

92

57-4379

Bush 1 1971 5 speed

93

57-4377

3rd gear, mainshaft 18T 1 1971-72 5 speed

94

57-4376

4th gear, mainshaft, 5 speed box 1 1971-72 5 speed

95

60-3511

Needle roller 2 1971-72 5 speed

96

57-4423

Top gear complete – Mainshaft 1 1971  5 speed

96

60-3500

Oil seal, sleeve gear and cover plate 1 1972 5 speed

97

57-4364

Selector fork, mainshaft 4th gear 1 1971-72 5 speed

98

57-4366

Operating fork, 5 speed layshaft 3rd gear 1 1971-72 5 speed

99

57-4360

Gearbox camplate 1 1971-72 5 speed

100

57-4363

Operating quadrant 1 1971-72 5 speed

101

57-4289

Leaf spring support 1 1972 5 speed

101

57-4401

Support – camplate spring 1 1971 5 speed

102

57-4402

Leaf spring 1 1971-72 5 speed

103

57-4374

Gear change quadrant 1 1971-72 5 speed

104

57-4403

PLUNGER 5 SPEED 1 1971-72 5 speed
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