These Awesome Four seat 150cc Youth Go Karts have an air cooled GY6 four stroke gas engine which is fully automatic and easy to operate. This 4 seater off road Go Kart is equipped with a mechanical speed governor to lower the top speed of the machine down to a safe 5 to 7 miles per hour. This feature helps to teach the kids how to safely operate and control the go kart, until they have learned to properly operate the unit. This Go Cart can Hold up to 800 pounds and has the power to propel it up to 40 MPH. These Four seat Go Karts are Equipped with hydraulic disc brakes, Cool Bucket seats with 4 point racing style safety harnesses , a horn and dual front headlights and working roll bar headlights for nighttime driving. Tubeless High Quality, Large rubber off road tires with knobby tread. This 150cc Go Kart is perfect for children and a great answer to families with more then one kid. This go kart is designed from 12 gauge steel and MIG welded to be tough in any condition.