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 assembly11971

NI

PACK-ADV-007

Oil feed/return packAAll

1

82-9687

Oil cooler cradle11969-70

2

82-8657

Mounting rubber21969-70

3

21-0752

Shouldered bolt, oil cooler cradle21969-70

4

82-8667

Support rubber twinseat21969-70

5

82-8628

Oil cooler cover (left hand)11969-70

5

82-8629

Oil cooler cover (Right hand)11969-70

6

02-0525

1/4 plain washer41969-70

7

21-0761

Heat shield bolt41969-70

8

19-0987

Amber reflector Lucas RER 2521969-70

9

02-1096

Washer21969-70

10

21-0762

Pozi self tapper21969-70

11

82-9322

Oil cooler rubber81969-70

12

82-8657

Mounting rubber21969-70

13

02-0525

1/4 plain washer21969-70

14

14-1301

1/4 UNF Nyloc21969-70

15

82-9315

Oil cooler assembly11969-72

16

70-8906

Oil pipe, original is herringbone11970-71

16

70-8907

Flexible pipe11969

16

71-2483

Flexible pipe11972

16

71-3228

Flexible pipe (oil cooler to rocker box)11972

17

60-0702

Oil pipe clip21969-70

18

14-1301

1/4 UNF Nyloc31969-72

19

27-8560

Plain washer, 1/441970-72

19

27-8560

Plain washer, 1/431969

20

40-8436

Rubber bush21969-72

21

21-0754

Bolt – UNF11969-72

22

82-9664

Vent pipe11969-72

23

82-8459

Rubber (Bottom oil tank mounting)11969-70

23

83-1585

Rubber and 83-1952 spacer (which needs shortening)11971-72

24

02-0923

Washer11969-72

25

14-0217

Bolt 5/16 UNF x 1-1/411969-72

26

83-1387

Oil filter bolt11969-71

26

83-3331

Oil tank filter plug complete11972

27

68-0610

‘O’ ring11969-72

28

83-1766

Oil tank with fixed fittings11970

28

83-3199

Oil tank complete11971-72

28

82-8452

Oil tank with fixed fittings11969

29

82-9530

Oil pipe protection spring, for 5/16 feed pipe11969-72

29

82-9531

Oil pipe protection spring, for 7/16 return pipe11969-71-72

30

70-6848

Oil Feed pipe clip21969-72

31

70-8904

Oil pipe11969-72

32

70-8907

Flexible pipe11970-71

32

70-8906

Oil pipe, original is herringbone11969

32

71-2484

Oil pipe11972

32

71-3229

Flexible pipe (oil cooler to tank)11972

33

60-0702

Oil pipe clip21969-70

34

82-6874

Coil spring, metering screw11969-72

35

82-9435

Oil screw11969-72

36

82-8627

Filler cap11970-72

36

82-8625

Oil tank11969

37

83-1386

Stud – oil tank front mounting11969-72

38

82-9918

Cable tie, aluminium41969-72

39

82-8657

Mounting rubber41971-72

40

76-0101

Washer21971-72

41

14-1301

1/4 UNF Nyloc21971-72

42

21-0752

Shouldered bolt, oil cooler cradle21971-72

43

83-3128

Strap – oil cooler mounting21971

43

83-3858

Support bracket21972

43

83-4437

Strap – oil cooler mounting21972

44

82-9322

Oil cooler rubber81971

45

82-9573

Square nut, 4BA41971-72

46

82-9571

Backing rubber, reflector21971-72

47

82-9906

Backplate21971-72

48

19-1338

Amber reflector (Front)21971-72

49

21-1940

4BA x 1/2 Pozi pan head screw41971-72

50

83-1952

Spacer – will need to be shortend11971-72

51

82-9157

Plug for tool tray41972

51

82-9157

Plug for tool tray61972

52

82-8919

Chain oiler pipe (long)11972

53

82-9997

Short chain oiler pipe11972

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