Cylinder & Crank

Gasket sets are at the bottom.

Number

Part Number

Description

Per

Model

NI

4047

Liner1All

NI

PACK-ADV-002

Valve & guide packAAll

NI

PACK-ADV-007

Oil feed/return packAAll

NI

PACK-INTER-002

Top end overhaul packAAll

NI

PACK-START-005

Exhaust packAAll

1

19-7621

Plug Cover1All

2

19-7606

Spark plug B8ES1All

3

66-0102

Spark Plug washer11967-70

4

46-0695

Nut21967

4

14-0403

3/8 UNF lock nut21969-71

4

46-0066

Nut, rocker spindle21968

5

02-2138

Washer2All

6

40-0968

Rocker box cap2All

7

40-0969

Rocker cap gasket2All

8

40-0963

Rocker box gasket11967

8

70-7858

Rocker box gasket11968-70

8

71-2198

Rocker box gasket11971-

9

76-0378

Alloy washer11969-71

9

24-6040

Half Nut11969

10

76-0308

Oil pipe adapter1All

11

29-2089

3/16 union nut1All

12

40-0997

Oil pipe with nut & spigot11969

12

40-0993

Rocker feed pipe11969-71

13

40-0939

Rocker box stud21967-70

13

14-1628

Head stud 5/16×3 1/421971-

14

66-3074

Dowel21967-70

14

71-1989

Dowel21971-

15

40-0942

Rocker box stud21967-70

15

14-1627

Cylinder Head Stud21971-

16

40-0127

Stud21967-70

16

21-2092

Rocker box stud 5/16UNCFx3 1/421971-

17

40-0940

Stud31969

17

14-1629

Stud,  5/16 x 3.5 UNC/F31971-

17

70-7996

Stud31969-70

18

46-0044

Nut11967-68

19

02-0525

1/4 plain washer11967-68

20

71-2938

Exhaust lifter arm (41-0176)11967-68

21

40-1000

Exhaust lifter cup11967-68

22

40-0418

O’ ring11967

22

68-0289

O’ ring11968

23

40-0999

Valve Lifter11967-68

24

24-6040

Half Nut21967-70

24

14-0302

5/16 UNF nut21971-

25

02-0923

Washer2All

26

40-0209

Nut 1/4 CEI Nyloc71967-70

26

14-1302

Nut, 5/16 UNF71971-

27

02-0525

1/4 plain washer71967-70

28

40-0961

Rocker Box11967

28

70-7818

Rocker Box11968

28

70-7911

Rocker Box11969-70

29

68-0662

Exhaust valve11967

29

70-7777

Exhaust valve11968-71

29

71-2196

Exhaust Valve11971-

30

40-0932

Exhaust valve guide11967-70

30

71-2226

Exhaust valve guide11971-

31

40-0158

Rocker thrust washer2All

32

40-0156

Rocker spring21967

33

40-0989

Inlet Rocker11967

33

70-7790

Rocker inlet11968-71

34

40-0990

Exhaust rocker11967

34

70-7791

Exhaust Rocker11968-71

35

40-0157

Spindle washer2All

36

40-0994

Rocker spindle11967

36

70-7787

Rocker Spindle11968-71

37

40-0967

Rocker spindle inspection gasket11967-70

37

71-1425

Rocker spindle inspection gasket11971-

38

40-0966

Inspection Cover1All

39

40-0965

Rocker inspection cover screw2All

40

40-1010

Inlet push rod1All

40

40-1021

Exhaust push rod1All

41

24-5160

Nut, 5/16″x26 TPI2All

42

02-0923

Washer21967-70

43

40-0933

Head gasket1All

44

76-0028

Stud21968

44

40-0020

Stud 5/16×2 3/421969-71

45

40-2712

Nut11967-70

46

41-0668

Tappet2All

46

70-7739

Tappet2All

47

40-2710

Finned clamp11967-70

48

40-2711

Screw11967-70

49

40-2845

Exhuast pipe11967-68

49

70-9412

Exhuast pipe high level11969

49

70-9724

Exhuast pipe11969-70

49

71-1178

Exhaust pipe High level11970

49

71-2176

Exhuast pipe11971-onwards

50

40-0949

Cylinder Barrel11969

50

70-9263

Cylinder Barrel11969-71

51

40-0953

Base gasket11967

51

70-7728

Base gasket11968-70

51

71-2233

Base gasket11971-onwards

52-54

R11640 / STD / 10 / 20 / 40 / 60

Piston Rings Standard – 601All

55

16945 /STD /20 /40 /60 /80

Piston, c.r. 9:5 or 10:1, complete1All

56

40-0978

Gudgeon pin11967-70

56

70-6861

Gudgeon pin11971-

57

40-979

Piston circlip21967-70

57

70-6869

Piston circlip21971-

58

24-0732

Bearing11967-70

59

40-0066

Shim–All

60

40-1024

Crankshaft11969

60

70-9547

Crankshaft11969

60

70-9848

Crankshaft11970

60

71-2284

Crankshaft11971-

61

41-0560

Key1All

62

40-1027

Flywheel right hand11969

62

70-9907

Flywheel right hand11969-70

62

71-2288

Flywheel right hand11971-

63

2-0049

5/16 nut21967

63

42-4476

3/8 CEI Nyloc nut21968-70

64

24-8784

Spring washer, 5/1611967

65

65-1162

Carb gasket21967

66

40-0913

Big end bolt11967-70

66

70-9914

Big end Bolt11971-

67

65-1238

Carburettor insulator11967

67

70-7820

Inlet gasket11968-71

68

65-1232

Gasket, carb11967-70

68

71-1416

Carburetter Gasket11971-

69

68-0018

Stud 5/16 x 1 27/6421967-70

69

14-1620

Stud 5/16×1 3/8 UNF/C21971-

70

40-0929

Cylinder Head11967-70

70

71-2238

Cylinder head B2511971-

71

68-0661

Inlet valve1All

72

40-1018

Valve spring bottom cup21967-70

72

71-2366

Valve spring cup21971-

73

40-0931

In valve guide11967-70

73

71-2231

Inlet valve guide11971-

74

40-1008

Valve Spring Outer21969

74

40-1009

Outer valve spring21969-70

74

71-2223

Outer valve spring B2521971-

75

40-0998

Oil Pipe11967

75

40-1037

Rocker oil feed pipe11968-70

76

68-0158

Collet A50 etc41967

76

71-1166

Collet41968-70

77

40-1019

V/spring top collar21967-69

77

40-1165

Valve Spring Collar21970

77

71-1165

Top collar21971-

78

40-1007

Inner spring2All

79

40-0916

Small end bush11968-70

80

40-0908

Connecting rod11967

80

70-8836

Con rod11968-70

80

70-9911

Con Rod11971-

81

40-0907

Big end Shells,pr, std1All

81

40-0917

Big end shells .0101All

81

40-0918

Big end Shells, 0201All

81

40-0919

Big end shells .0301All

82

40-0915

Big end nut21967-70

82

21-2016

Big end Locknut21971-

83

24-0732

Bearing11967

83

24-0724

Main bearing, Drive side inner11968-70

84

41-0673

Camshaft key1All

85

40-1030

Flywheel bolt 3/8UFx1 1/84All

86

68-0582

Thrust washer,8All

87

40-1029

Flywheel Right hand11969

87

70-9906

Flywheel LH11969-70

87

71-2287

Flywheel LH B2511971-

88

40-0892

Sludge plug1All

89

40-1031

Flywheel bolt4All

93

62-0263

Hose clip for oil pipe11968-70

–

68-5197

Fibre washer, inspection cover screw11971

–

GS335

Gasket set B25/C25 1967-70

–

GS341

Gasket set B25 71-721971-

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