Oil tank and oil cooler

What Oil Should I Use? On the subject of oil, we recommend that engines with roller bearing big ends are run on monograde oils i.e. single viscosity sae 40 in winter and sae 50 in summer. This is because this type of oil can withstand the high loads experienced in a roller bearing big end where all the force is through just one or two rollers. Monograde oils should not be confused with ‘straight oil’, which means oil without additives. The principal additive in modern oils is a detergent that is used to keep deposits in suspension until they reach the oil filter. They will also loosen existing deposits and as there is no effective filter this can be disastrous in an engine that is full of ‘gunge’ accumulated over the years.

Engines with shell bearing big ends can use either a monograde or a modern multi-grade oil. The multi-grade oil will lubricate the shells more quickly when the engine is first started which is when most of the wear takes place and so is more suitable for short journeys; it is also cheaper and more easily obtainable. Monograde oil will leak less; the engine will run cooler and quieter, is available as a straight oil and is more original!

Do not forget to clean out the oil tank when rebuilding the engine.

Key

Part Number

Description

Per

Models

NI

82-9574

Oil cooler and reflector assembly 1 1971

1

82-9687

Oil cooler cradle 1 1969-70

2

82-8657

Mounting rubber 2 1969-70

3

21-0752

Shouldered bolt, oil cooler cradle 2 1969-70

4

82-8667

Support rubber twinseat 2 1969-70

5

82-8628

Oil cooler cover (left hand) 1 1969-70

5

82-8629

Oil cooler cover (Right hand) 1 1969-70

6

02-0525

1/4 plain washer 4 1969-70

7

21-0761

Heat shield bolt 4 1969-70

8

19-0987

Amber reflector Lucas RER 25 2 1969-70

9

02-1096

Washer 2 1969-70

10

21-0762

Pozi self tapper 2 1969-70

11

82-9322

Oil cooler rubber 8 1969-70

12

82-8657

Mounting rubber 2 1969-70

13

02-0525

1/4 plain washer 2 1969-70

14

14-1301

1/4 UNF Nyloc 2 1969-70

15

82-9315

Oil cooler assembly 1 1969-72

16

70-8906

Oil pipe, original is herringbone 1 1970-71

16

70-8907

Flexible pipe 1 1969

16

71-2483

Filler cap 1 1972

16

71-3228

Flexible pipe (oil cooler to rocker box) 1 1972

17

60-0702

Oil pipe clip 2 1969-70

18

14-1301

1/4 UNF Nyloc 3 1969-72

19

27-8560

Plain washer, 1/4 4 1970-72

19

27-8560

Plain washer, 1/4 3 1969

20

40-8436

Rubber bush 2 1969-72

21

21-0754

Bolt – UNF 1 1969-72

22

82-9664

Vent pipe 1 1969-72

23

82-8459

Rubber (Bottom oil tank mounting) 1 1969-70

23

83-1585

Rubber and 83-1952 spacer (which needs shortening) 1 1971-72

24

02-0923

Washer 1 1969-72

25

14-0217

Bolt 5/16 UNF x 1-1/4 1 1969-72

26

83-1387

Oil filter bolt 1 1969-71

26

83-3331

Oil tank filter plug complete 1 1972

27

68-0610

‘O’ ring 1 1969-72

28

83-1766

Oil tank with fixed fittings 1 1970

28

83-3199

Oil tank complete 1 1971-72

28

82-8452

Oil tank with fixed fittings 1 1969

29

82-9530

Oil pipe protection spring, for 5/16 feed pipe 1 1969-72

29

82-9531

Oil pipe protection spring, for 7/16 return pipe 1 1969-71-72

30

70-6848

Oil Feed pipe clip 2 1969-72

31

70-8904

Oil pipe 1 1969-72

32

70-8907

Flexible pipe 1 1970-71

32

70-8906

Oil pipe, original is herringbone 1 1969

32

71-2484

Oil pipe 1 1972

32

71-3229

Flexible pipe (oil cooler to tank) 1 1972

33

60-0702

Oil pipe clip 2 1969-70

34

82-6874

Coil spring, metering screw 1 1969-72

35

82-9435

Oil screw 1 1969-72

36

82-8627

Filler cap 1 1970-72

36

82-8625

Oil tank 1 1969

37

83-1386

Stud – oil tank front mounting 1 1969-72

38

82-9918

Cable tie, aluminium 4 1969-72

39

82-8657

Mounting rubber 4 1971-72

40

76-0101

Washer 2 1971-72

41

14-1301

1/4 UNF Nyloc 2 1971-72

42

21-0752

Shouldered bolt, oil cooler cradle 2 1971-72

43

83-3128

Strap – oil cooler mounting 2 1971

43

83-3858

Support bracket 2 1972

43

83-4437

Strap – oil cooler mounting 2 1972

44

82-9322

Oil cooler rubber 8 1971

45

82-9573

Square nut, 4BA 4 1971-72

46

82-9571

Backing rubber, reflector 2 1971-72

47

82-9906

Backplate 2 1971-72

48

19-1338

Amber reflector (Front) 2 1971-72

49

21-1940

4BA x 1/2 Pozi pan head screw 4 1971-72

50

83-1952

Spacer – will need to be shortend 1 1971-72

51

82-9157

Plug for tool tray 4 1972

51

82-9157

Plug for tool tray 6 1972

52

82-8919

Chain oiler pipe (long) 1 1972

53

82-9997

Short chain oiler pipe 1 1972
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