Underpowered? The power is there, you have to make a few adjustments and you can have more power than a man can handle. How ****** fast do you want to go? If you want to cruise get a cruiser, if you want to race around, get a crotch rocket, the extra front brake on a Speedy will only keep your disc s a little cooler on a long descent, both bikes will stand up on their front wheels if you pull that lever too hard and as to ques. #3 I'll let someone else go there, Jap. Harley clones are not in the realm of my cognizance or interest