What is the wheel base? If it was a sit up enduro with a wheel base of 43″ all you need is the right clutch and gearing and a 50-55″ rear track. If it’s a lay down kart it’s not worth the conversion, you will have very little success on a sprint track.
FAA certified jet engine and aircraft technician,
Nicholson Speedway class champion 2001,
Yamaha KT100 Service Center,
41 years karting experience