Another Oil Thread

[GArider50]

Sorry if this is the wrong thread but a search for oil brought me here. I am getting ready to change the oil in my SE for the first time. After spending time on "Bob's the Oil Guy" I came away with the info that the Triumph branded oil is Euro spec 15W-50 Mobil One 4T. It is also wildly expensive. The local Wally World carries Mobil One 10W-40 4T and 20W-50 V-Twin for $9.50 a quart. If I use Mobil I am leaning toward the 20W-50. Does anyone have any experience using it in a Bonneville? The other option is 15w-40 Rotella T I use in all my other vehicles. People on that forum seem really enthused about the use of Rotella in their bikes. It is also $16.00 a gallon at the local Tractor Supply. I wonder since the 20W-50 is touted as a V-twin oil (read Harley) is it okay to use it in our wet clutch Triumphs. In the 70's I just used 20W-50 Castrol GTX in my bikes, my MGB and my 390 GT Torino. But I understand today's car oils have additives that are not compatible with the wet clutch. All opinions welcome as well as direction to the proper thread if needed.

[B02S4]

Moderator!
Moderator!
Oh where fore art thou, Moderator!

Any non-energy conserving oil & filter combo of reasonable viscosity will protect just fine, really. Beyond that you will start yet another oil war. With plenty of opinions. And it won't be pretty.

Literally, search, & ye shall find...

[propforward]

Let me direct you here:

TriumphRAT threads on oil - lots of discussion, some of the threads have external links that are of interest. Hopefully this makes the discussion easy to find - not that it isn't fun discussing oil all over again!

http://www.triumphrat.net/twins-tech...synthetic.html

http://www.triumphrat.net/twins-tech...o-you-use.html

http://www.triumphrat.net/twins-tech...-oil-talk.html

External Links

http://motorcycleinfo.calsci.com/Oils1.html

http://www.shellusserver.com/ubbthre...age=1#Post3081


Oil Filter Dissection
http://www.triumphrat.net/twins-tech...with-pics.html



Amsoil comparison of motorcycle oils:

https://www.amsoil.com/lit/G-2156.pdf

[fatass]

Originally Posted by propforward

Amsoil comparison of motorcycle oils:

https://www.amsoil.com/lit/G-2156.pdf

Dang, that was pretty awesome. Guess I don't feel too awful bad getting Castrol V-Twin at $3.99 a quart...