I run a 2008 GSX-R750 that I use for track days and the street. I am looking for an oil that I do not have to change after each track day and I can use on the street. In the past I have been using Amsoil motorcycle oil in the 10W 40 grade and Rotela dino in the 15W-40 grade. I have been doing a lot of reading of old posts trying to figure out what I should run. After reading all the old posts I am more confused than when I started. I did read that one of the site guru’s stated that based on his testing and oil analysis the Maxima Maxum4 Extra in 15W-50 is one [censored] of an oil with outstanding base stock and additive packages. I was think of giving it a try but before I do I wanted to see if some of the other informed people out their had any other recommendations or advice as there are lot’s of very technical and educated folks on this site. I am not oil bias so I will try whatever. Thanks in advance for the help.