100LL
AVGAS is great for your weed eater, or even to add some to your car or truck, but your bike doesn't need it. IF you had say 300,000 miles on it and it didn't have hardly any compression left then yes it would help...but not with a newer bike like you have...Try some in a 2stroke though and you may find some found power...the best thing about the stuff is htat it dowsn't sour like unleaded does so the gas can set in aircraft day and night and stil work when they go to use it...so if you go to store your bike this winter fill it with 100LL and use sta-BIL in it and run it around the block a few times to make sure that it is actually in the system and into the carbs etc before you park it with the Battery tender on it...then during hte winter on nicer days actually take the bike out and ride it...and get the bike up to normal riding temps before you return it to your parking spot...then inthe spring it will still run and you can remove the remainder of the gas and dump it into the lawnmower can and refill with fresh unleaded!!!