Home Forums Tech Talk Road to Sprint Conversion Reply To: Road to Sprint Conversion

Walt Gifford

You need to get a gear ratio about 8.5 to 1 which is a 10th on the engine and a 85 on the axle. Chain should be the 219 size. The clutch should be an engine mounted clutch but the size and type would depend on the exhaust system you have. Although an old Horstman DXL 4 spring 3 disk will work on anything. Is it a small 4 hole can or a big long pipe?


FAA certified jet engine and aircraft technician,
Nicholson Speedway class champion 2001,
Yamaha KT100 Service Center,
41 years karting experience