G gurkhaMember I have always used HDEO in my motorcycles, from the tranny in 2 strokes to four strokes crankcases. I have used it on my FZR-750, FZR-1000, my now sold RC-45 and latest 2010 R1 with excellent results, I usually use Delo 400 or Delvac MX. 4/7/109:45 PM