Inner primary cover & oil pump spares & parts for Triumph 1968-75 750cc – X75

Inner cover

KeyPart NumberDescriptionPer
1CST150-01Case screw set, timing side, Trident all years1
2CST150-02Case screw set, primary side, Trident, 19681
3CST150-03Case screw set, primary side, Trident, 1966-701
4CST150-04Case screw set, primary side, Trident, 1971-741
5CST150-05Case screw set, primary side, Trident, 1975-771
6CST150-06Case screw set, gearbox, Trident, 1968-701
7CST150-07Case screw set, gearbox, Trident, 1971-721
8CST150-08Case screw set, gearbox, Trident, 19731
9CST150-09Case screw set, gearbox, Trident, 19741
10CST150-10Case screw set, gearbox, Trident, 1975-771

Key

Part Number

Description

Per

NI

70-6596

Cap1

NI

70-8754

Fibre washer, 3/4 x 7/8 x 1/321

1

21-0585

Engine sprocket/wheel nut 3/4 UNEF1

2

40-0066

ShimA

2

71-2660

Shim 1″ x 1-3/8 x .030″A

3

70-7248

Oil pump driving gear1

4

21-1820

Bolt, 5/16 UNC x 4-1/21

5

14-6101

Bolt, 1/4 X 1/2″UNC1

6

70-8786

Chain oiler tube1

7

70-4705

Clip, chain oiler pipe1

8

14-7006

Screw, inner chaincase 1/4 Whit x 1″ cap head7

9

14-6605

Case screw 1/4 UNC x 5/8 Pozidrive2

10

57-4018

Inner primary chaincase1

11

71-1453

Inner cover gasket1

12

60-2370

Valve ball1

13

70-6567

Pressure release spring1

14

71-2792

Joint washer1

15

70-6584

Plug1

16

70-1670

Washer, oil release1

17

70-6595

Pressure relief valve1

18

71-1442

Oil pump gasket1

19

70-6502

Base plate1

20

70-6038

Oil pump feed gear1

21

71-1351

Oil pump1

22

70-6039

Oil pump scavenge gear1

23

70-6454

Driven gear spindle1

24

70-9885

Cover1

25

70-8731

Washer2

26

21-0559

Screw2

27

71-0003

Oil pump screw 2BA x 2-1/23

28

70-6570

‘O’ ring2

29

70-1532

Dowel1

30

70-6455

Oil pump drive feed gear1

31

70-9887

Spindle inc 11T gear1

32

70-6459

Dowel1

33

70-8732

Spring washer, 3/16-2BA-5mm4

34

70-9601

Oil pump screw 2BAx2-3/41

35

21-0536

Drain plug1

36

70-0402

Fibre washer, 3/8 x 9/16 x 1/161

37

57-3642

Clutch shaft oil seal A751

38

54-0055

Washer2

39

21-1819

Bolt, 5/16 UNC x 4-1/41

40

70-9886

Driven gear1

41

71-1353

Oil pump tab washer1

42

14-0402

Half nut 5/16 UNF1

43

70-7246

Oil pump gear1

44

70-6885

Bush, intermediate gear1

45

71-1051

Spindle, oil pump idler gear1

46

70-6890

Engine sprocket 28T1

47

70-8785

Lockwasher, engine sprocket1

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