I use TCW-3 in all my vehicles including the motorcycle and love it! The fuel in my state is mandated E-10 for the last several years, just as a point of reference.
I actually notice the most improvement with the motorcycle than I do any other vehicle in my sig. For my bike, it majorly smoothed out the idle (seemed to slow it down also, very strange), makes it start faster and my factory LCD display is reading about 2 mpg more since I started using it. I went from 40.5 mpg to 42.4 mpg with no change in anything, only adding TCW-3. I also notice a slight improvement in responsiveness and a slight decrease in overall engine vibrations. As well, I noticed that the very light coating of soot/carbon on the end of the exhaust tip is now totally clean and spotless, without me ever touching it. My last motorcycle, a Kawi KLR 650 which burned a little bit of oil between changes, completely stopped burning oil once I started adding TCW-3 to the gas.
There are plenty of haters who will come in and blast me for suggesting it but hey..... haterz gunna hate...... lol