The Taotao 107cc GK110 Go Kart comes fully automatic with features including dual adjustable seating for 2 children up to about 5 feet tall and 6 years or older. Powered by our dependable 107cc 4-stroke air cooled gas engine this go kart can reach speeds up to 25 mph and be plenty powerful enough for your kids. Also comes with big 16 inch knobby tires that are bigger for most go karts of this size. Parents and instructors in general will appreciate having the speed limiteroption that is mounted onto the engine. This features allows parents to turn the speed down to your liking so you can rest easy while your little rider is having a blast!