Originally Posted by RingGap
There are many opinions out there, but also I along with many others only run diesel HD truck oil Chevron Delo 400 / Shell Rotella 15w/40 (and there equivalents if it states approved by Cummins Cat Detroit) + paper elements filters in everything ; bikes - cars - trucks.
Oh no you didn't just turn my RR into the diesel oil discussion
KTM says 10W-60 synthetic for my bike. So that's what i'm running in her. At a minimum if I have a problem and take it to a dealer they can't blame it on the oil.