Why are you thinking about using an octane booster? If you have a detonation problem while running the recommended 91 octane fuel, you would be better served having the bike tuned properly.
Octane boosters come in different versions, street legal and off-road/racing use. The street legal stuff doesn't do a whole lot, but it also doesn't cause the EPA to have a tissy fit. The off road stuff is not recommended for emission controlled vehicles since it can screw up sensors and catalysts. All I can say about the Amsoil booster is that the wording on the product description would lead me to believe it is not the street legal stuff.
"Octane Boost Product Code: AOBBE-EA
Maximizes power and improves performance in all two-cycle and four-cycle gasoline engines. Increases octane number up to seven points. Reduces engine knock, improves ignition and engine response, helps fuel burn cleaner and inhibits corrosion. Recommended for off-road and racing use. "
Jerry