Originally Posted by dnewton3
I've used conventional Rotella 15w-40 in my bikes for years. Goldwings back then. Victory 106/6 now. (both are shared sump) Never an issue with wear rates or the clutches. I will use it in my new-to-me 2007 DR650 as well.
Same here, even going back before it had the JASO MA, 2003 Yamaha WR250, 2011 Yamaha WR450, 2004 YFZ450 quad, 2006 YZ450, a couple of different Yamaha FJR1300's, a couple of different Victory 106's, 78 Honda 750, 78 Suzuki GS1000, my 2003 Yamaha Grizzly 660, 2007 FZ1, 2016 DR650, all shared sump, wet clutch, no issues.