Non BMW oil?

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Tango
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Non BMW oil?

Postby Tango » Fri Mar 17, 2017 6:56 pm

Not a what is the best oil question, but rather what oil would be recommended for Triumph Thunderbird. Circa 1965.


Manual states

For Engine, 20 or 30 sae
gearbox, 30
Primary case 20
forks 20 or 30

I guess they would all be engine mineral oils!

Is single grade still available?

Edit I have plenty of 20 50 mineral oil :-)

Thanks in advance
Regards,
Marty
(2012) R1200GS
(1992) R80GS
(1987) R100GS Bumble Bee

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IanG
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Re: Non BMW oil?

Postby IanG » Fri Mar 17, 2017 10:32 pm

There are several companies still making single grade oil. Silkoline & Morris do and they are both good. If you want to use monograde I wouldn't use anything as light as 20 or 30 in the engine, I use 40 in my old Norton. However modern 20/50 is also a good choice. There are plenty to choose from. I use Valvoline VR1 20w-50 in my Norton Commando and it seems fine..

You'll get as many opinions as there are days in a month.

Ian
1983 R100
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1972 Norton Commando
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Bill Smithson
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Re: Non BMW oil?

Postby Bill Smithson » Fri Mar 17, 2017 10:39 pm

I bought a bulk quantity of Millers Golden Film Oil for the old bikes. There are discounts available from time to time so an email might be a good option.

I had the idea when I met up with a micro car restorer who had relocated to France. He had taken a full van load with him to help with his worldwide business.
http://www.morrislubricantsonline.co.uk ... r-oil.html

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Tango
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Re: Non BMW oil?

Postby Tango » Fri Mar 17, 2017 11:09 pm

Thanks Ian, will go with 20-50 mineral oil in the engine as you suggest.
Thanks for the link Bill that will do for everything else.
Why I couldn't find that myself is a mystery spent at least an hour searching google .
The mind boggles :-)
Regards,
Marty
(2012) R1200GS
(1992) R80GS
(1987) R100GS Bumble Bee

gogs01
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Re: Non BMW oil?

Postby gogs01 » Sat Mar 18, 2017 12:13 am

I seem to remember that in 1965 the oil of the moment was Duckham's 20/50 ! :smile:
I'm guessing that's a little difficult to find today. :smile:
Current BMW : 2017MY R1200RT LE in Platinum Bronze :smile:
Previous BMWs : R1200RT SE (2007 then 2010), R1200RT 90th Anniversary model (2013). :smile:

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Douglas C
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Re: Non BMW oil?

Postby Douglas C » Sat Mar 18, 2017 8:53 am

Douglas C.

2000 R1150GS
1998 K1200RS (Now gone)
1994 K1100RS (Now gone)
1968 Triumph T120

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bwprice100
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Re: Non BMW oil?

Postby bwprice100 » Sat Mar 18, 2017 8:56 am

It depends on whether the engine has an oil filter.
If not you need an oil that does not hold particles in suspension but allows the particles to drop to the bottom of the sump or oil tank, usually a monograde.
If you have an engine oil filter then you need an oil that will keep the particles in suspension and be removed by the filter, usually a multi grade oil.

I hope this helps
Brian


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1958 R26, (not so many bits now)
1978 R75/7, (a project bike)
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Tango
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Re: Non BMW oil?

Postby Tango » Sat Mar 18, 2017 11:34 am

Hi thanks Douglas and Brian
There is a tank filter (feed) and a sump filter (scavenge return), but both are the strainer type. So going for monograde engine oil.

Now that I am aware that these oils are readily available, everything has become a little easier.

Thanks all again problem solved.
Regards,
Marty
(2012) R1200GS
(1992) R80GS
(1987) R100GS Bumble Bee


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