On my older CBR-600, I ran Rotella T4, and would do 3-4 track days on it before changing. Ran the bike on average 6 TD's a year, in A group. On my current R6, I run Mobil 1 20w50 racing oil. The R6 has a full KWS build, so it's making a good bit more steam than the CBR, so I run a better oil in...