Commando 961 oil spec

So are we saying that as long as it has the right spec, any motorcycle oil will be ok?

That's good news for me as I have multiple bikes and always buying specific oil....aka, a pain in the arse
 
kev said:
So are we saying that as long as it has the right spec, any motorcycle oil will be ok?

That's good news for me as I have multiple bikes and always buying specific oil....aka, a pain in the arse
Click to expand...
Anyone who seriously believes that is greatly mistaken!

The study below was done in regards to old Commandos, but it still shows the huge variation that can be seen between oils of the same ‘spec’.

It’s also surprising to see how poorly some widely highly regarded brands actually perform.

There is a table summary of the findings below somewhere that I will attach if I can find it (unless someone else does so first).

comnoz

Thread 'Follower scar oil tests (2018)'

So after having a cam failure and getting sucked into reading way to much crap about oils, I decided if I wanted to know I better do some more testing.

I had a Timkin scar tester some years ago but never thought it gave me any good valuable info so I put something together to do some testing. It is basically a scar tester that uses a Norton follower instead of a Timkin roller. This gives me line contact instead of point contact so I can use a lot more speed and load without causing an instant scar like the Timkin tester did...
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Last edited:
Fast Eddie said:
Anyone who seriously believes that is greatly mistaken!

The study below was done in regards to old Commandos, but it still shows the huge variation that can be seen between oils of the same ‘spec’.

It’s also surprising to see how poorly some widely highly regarded brands actually perform.

There is a table summary of the findings below somewhere that I will attach if I can find it (unless someone else does so first).

comnoz

Thread 'Follower scar oil tests (2018)'

So after having a cam failure and getting sucked into reading way to much crap about oils, I decided if I wanted to know I better do some more testing.

I had a Timkin scar tester some years ago but never thought it gave me any good valuable info so I put something together to do some testing. It is basically a scar tester that uses a Norton follower instead of a Timkin roller. This gives me line contact instead of point contact so I can use a lot more speed and load without causing an instant scar like the Timkin tester did...
  • Like
Click to expand...
I thought that testing was taken down . I haven't looked in a while though .
 

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