This is actually quite an interesting question and one that maybe someone else can answer.
I don't have a bike license so simply unable to comment. I've had 3-4 bikers in the past ask me what engine is in the bike (easy answer 500cc) - they've then asked what horse power (again easy answer 39hp~)
However the question then normally arises what sort of power in comparison to a normal geared bike and at this point I'm obviously stumped.
I would assume considering the 500 is a heavy thing along with CVT transmission that its probably similar to a 300cc geared bike.
Any one have any wisdom here? The launch with stock (non fuzzy washer etc) is clearly a little slow, but once you get going the MP3 does have an incredible amount of torque so where would you put this machine with its equivalent bike partner.