TAG is the XR Adult Race Kart with Electric Start added. TAG "Touch and Go". Now you can simply push a button while seated in your go kart to restart the motor. cc 4-stroke Honda Clone Engine, Hydraulic Disc Brakes, Race Tires. Sep 16, · Segway Ninebot has played around with electric go-karts before, but they’ve previously featured more toy-level specs and components. The company’s latest product is a faster, more powerful go-kart.