Kart racing or karting is a variant of open-wheel motorsport with small, open, four-wheeled vehicles called karts, go-karts, or gearbox/shifter karts depending on the design. They are usually raced on scaled-down circuits. Karting is commonly perceived as the stepping stone to the higher and more expensive ranks of motorsports. Karts vary widely in speed and some (known as Superkarts) can reach speeds exceeding 160 miles per hour (260_km/h), while go-karts intended for the general public in amusement parks may be limited to speeds of no more than 15 miles per hour (24_km/h). A KF1 kart, with a 125 cc 2-stroke engine and an overall weight including the driver of 150 kilograms has a top speed of 85 miles per hour (137_km/h). It takes a little more than 3 seconds to go from 0 to 60_mph with a 125 cc shifter kart (6 gears), with a top speed of 115 miles per hour (185_km/h) on long circuits. Art Ingels is generally accepted to be the father of karting.
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