I am trolling, bro think ----- you responded, at least I put a web site down for info, as far as the rotela making the clutch slip, don't see why it would there is more ash in that oil then all out there. Read up on some facts then comment, I have had rotella in my 07 busa my 04 raven R1, my 01honda 1000, and a honda 919, and a yamaha fz1, never had it slip 1 time!