
That's an easy one.... They have internal combustion engines that run at 3600rpm. They have 4 wheels/tires that allow it to be propelled by said internal combustion engine, power transferred via a chain. Yours has a seat for comfort, and some nice paint to make it eye candy. Ladtly and most importantly, they have a brake system that allows the user to stop or slow down when needed.......

What do you want to know? We have a member or 2 that has one of those karts.....
EDIT yes I as being a smart @$$. But you haven't met the real one yet.... Where you at Doug? LOL at least he is from Texas...... LoL