Quote:
Originally Posted by Sayantsi
Fwiw, the Rotella oils have all passed JASO specs and some are actually certified. No reason to call them diesel oils - all oils are basically the same but for the additives put in them. There's nothing extra special about motorcycle additives to justify the price hikes for motorcycle-branded oil other than the fact that oil companies can get away with it.
One thing to remember in general, any multi-weight oil is basically a lighter weight oil "buffed" to make the heavier weight viscosity when hot. A 5w-40 may just be too thin a 40 weight while a 15W-40 is not. Either way, if I was going to put Rotella into a bike, I'd put the 15W-40 in.
One think I like about the "old" style oils though is that the formulations still focus on engine protection, and not a compromise between protection and mpg.
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JASO is like SAE just a standard i would suggest that you steer away from JASO FC as that is for twostroke engines.
As i stated rotella is a commercial vehicle oil. You may well be able to use it in 2 stroke m/cycles as it is only going to be for the gearbox.
Totally agree that oil is oil, but using a non compatible one can drastically affect an engine.
Some "diesel oils" are multi purpose engine, gearbox, hydraulics and brakes (tractors etc). Pretty sure that the "brakes" compatible would have no no effect on clutch slippage, not sure ill chnage though!
Rotella is not 1 oil but a whole product line. Within the line you get monograde product as well. Suggest that anyone deciding to use the product researchs well and maybe contact Shell to protect there pride and joy.