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Looks like Shell makes Advantec 5w-40.
But where do you get the Shell branded Advance Synthetic in North America?

And this is what Shell recommends for my 2016 R1200 GSA in Germany: Advance 4T AX7 10W-40 (SM/MA2)
 
Hmm, Shell…imagine if it’s just 5w40 T6 Rotella….
Maybe, maybe not. What are the specs of each oil and how much Zinc does the T6 Rotella have in comparison? Likely far more. It does have the JASO MA/MA2 spec.
 
Second try. Need not worry about Zinc. Adventec fell out of spec for viscosity.
But does that mean they are all failing in big numbers? I don't think so. Any oil with wide viscosity numbers (5W-40) tends to drop out of viscosity depending on mileage.

ZnDPP was lowered due to catalytic converters ages ago.
 
Second try. Need not worry about Zinc. Adventec fell out of spec for viscosity.
Actual data — now we are talking! Oil shearing down is a real deal on shared sump bikes. Had some Castrol Actevo 10w40 semi-synthetic motorcycle oil shearing below grade on a DR650 years ago, with only 2000 miles on it. Switched that bike to 20w50 synthetic.

This is a great. Only real way to know an oil is performing well and holding up is with oil analysis.
 
:LOL:@PerazziMx14.

use Valvoline VR1 Racing Synthetic SAE 20W-50 Motor Oil or your motor will die an early death, you tires will leak and your guebo disk will fail!

i do like this oil in my non shared sump air cooled machines though on a serious note.
 
Only real way to know an oil is performing well and holding up is with oil analysis.
I'd like to see that for the oil I am using when it is new (prior to filling) and when it is at oil change time.

Plus in the business I was in for a number of years (standards calibration), I'd like to see what my data is traceable to, not just a bunch of data printed on a sheet.

I've never bothered with an oil analysis and incredibly in over 50 years of vehicle ownership, I've never had an oil related or any engine related failure, and some of the cars I've owned for as long as 16 years from new and motorcycles even much longer.
 
I'd like to see that for the oil I am using when it is new (prior to filling) and when it is at oil change time.

Plus in the business I was in for a number of years (standards calibration), I'd like to see what my data is traceable to, not just a bunch of data printed on a sheet.

I've never bothered with an oil analysis and incredibly in over 50 years of vehicle ownership, I've never had an oil related or any engine related failure, and some of the cars I've owned for as long as 16 years from new and motorcycles even much longer.
The thing is you'll find almost zero engine failures as a direct result of the oil used. Which tell us brand/base of oil is probably a much smaller factor in engine longevity than we believe to to be.

Personally I think the oil analysis is a waste of time and money unless you're fleet manager and are trying to trend data over lots of vehicles and lots of miles. For motorcycles its a huge waste as most people will never put the miles on their bike to even wear out the original oil or they change it at such consultative intervals the oil is almost new when it is drained and there is no information to be gleaned from testing it.
 
Personally I think the oil analysis is a waste of time and money unless you're fleet manager and are trying to trend data over lots of vehicles and lots of miles.
Exactly!
 
The only oil analysis I ever did was on aircraft engines and I did that every oil change. The aircraft I owned had engines rated at 2,000 hours TBO (time between overhaul) but it was important to know if it started making metal before the hour limit. In all my years it never gave me any actionable information so you could say it was a waste on those as well. Well, maybe not as it was a nice bit of documentation to pass along when selling the airplane.
 
Blackstone Labs is up to $40 a sample now so definitely cost prohibitive for frequent use. I do find some value in an occasional sample on older vehicles to know metals aren’t accumulating. But admittedly I’m an overmaintainer.

My DR650 experience finding an oil shearing below grade was helpful to push me to a heavier weight synthetic. As with many things oil and tires easy to overthink it.
 
Also…..No different than an individual buying aftermarket additions to Personalize their bike.
It’s “their dime” and if it makes you happy, more power to ya!
 
When/if you do go down that rabbit hole of all things oil, you will see that the formulations for car vs motorcycles isn't the same. Rotella "diesel oil" has a good/decent package for motorcycles, but for me I am pretty keen on the motorcycle specific TRUE PAO ester synthetics from Motul and Maxima, with my back up being Mobil 1 4T. Wear and shearing aside, I just notice better overall shifting and less mechanical engine noise with these premium motorcycle oils. I change about every 5K to 6K anyways, and I feel that all these popular increased mileage intervals are inherently not the best idea.
 
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