Break In Oil

Bernhard said:

Fair point, but if you look at the history Mobile 1 was originally developed for car engines.

Click to expand...

Yeah but Mobil 1 V TWIN (Which is what was mentioned in this thread) clearly wasn’t...

As an aside (!).. Yet again a thread that highlights two countries divided by a common language...
'Break In Oil' sounds to me like something you'd take with you before engaging in an evening of petty larceny..
Or a 'Plus Gas' substitute, maybe..

For me break-in or running-in a new engine implies a limited use of throttle and load without lugging. The ambient temperature you do your running-in should influence the viscosity index. I use Valvoline 20w-50 VR1 Racing oil for running-in and change it 3 times between initial start-up to 500 miles., then switch to a Comnoz top-of-his-list oil.

I keep wanting to try a straight 30w non-detergent, but don't have enough information and can't afford the emotional consequences if something goes sideways; anyone got any experience with this?

Best.

This worked for me. https://www.drivenracingoil.com/br-15w-50-conventional-break-in-oil.html
I ran it 500miles

Bernhard said:

WARNING; Mobile 1 is a synthetic motor oil and whilst fine for a Guzzi or any bike with a dry clutch, I would avoid like the plague for any engine with a wet clutch.
P.S. don't shoot the messenger.

Click to expand...

In my motor. Not the primary. But now I use Royal Purple.