Oil Tank – Silencer

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.

Part Number

Description

Per

Model Name

15-2018

Bolt
1
All

02-1462

Spring washer, 1/4
6
All

21-5102

1/4 nut
2
All

02-0204

Bolt
6
All

02-0537

5/16 plain washer
1
All

40-8331

Washer, oiltank filter
1
All

42-2860

Silencer clamp
2
All

42-5099

Shakeproof washer, 4BA
4
All

42-8034

Nut, tank badge screw
4
All

65-8317

Tank badge screw
4
All

65-8500

Oil filler cap
1
All

67-1537

Big end nut
4
All

67-0042

Fibre washer
1
All

68-2727

Silencer bracket
2
All

68-2728

Silencer
2
All

68-8315

Oil tank buffer
3
All

68-8316

Grommet
1
All

68-8317

Spacer
1
All

68-8320

15″ Oil Pipe,
2
All

68-8328

Oil filter
1
All

68-9110

Toolbox
1
All

68-9115

Oddie clip
2
All

68-9223

Oddie stud 7/8
1
All

68-9224

Oddie stud 2 1/4″
1
All

68-9225

Oddie rubber
1
All

68-9226

Oddie stud rubber
1
All

90-3063

Pin for clamp
2
All

90-3064

Swivel for clamp
2
All
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