hmmmmmm, that could be it. Now that I think of it, it could be possible. If that is true please accept my deepest apologies. And I feel obligated to answer. Though this isn't the best section for it.
Answer: There is none. These engine have very little power so they aren't measured. It dependson what upgrades you have but these littel guys produce about 3 HP and maybe 5 ft. lbs. TQ. I really have no idea if these have any real specs but the important thing is to get out and ride.