Suzuki King Quad 300cc DOES NOT RUN last time it ran was 5 years ago, had mechanical issues and upgraded to a new bike. Could be a simple fix to the right mechanically minded person. Looking for $500

This go Kart was made for my young grandsons . It is a coverted quad bike (Chinese unknown brand). The boys were not allowed to ride the quad by their mother as she considered it too dangerous. ie roll over. It suits children to about 8 yrs old ie the seat is a car booster seat with belts. It has foot control brakes and accelerator and easy access kill switch. The kart is home made and has been used for a number of years on the property (dirt tracks)but the boys have grown out of it and n