[1] The KT100 is a simple and rugged air-cooled engine that uses piston-ported intake induction with a Walbro WB-3A carburetor.

[citation needed] The KT100 is a very versatile engine using different exhaust systems and carburetors through a large range of classes.

[citation needed] In the late 1970s and early 1980s the engine was adapted for use on ultralight aircraft.

The ultralights of that era were lighter and had much lower wing loadings than today, making flight practical on the KT100's 15 hp (11 kW) developed at 10,000 rpm.

In aircraft use it was usually equipped with a recoil starter and a belt reduction drive.