The Yamaha KT100 is a 100 cc

two-stroke cycle A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of t ...

kart Kart racing or karting is a road racing variant of motorsport with open-wheel, four-wheeled vehicles known as go-karts or shifter karts. They are usually raced on scaled-down circuits, although some professional kart races are also held on ...

engine made by

Yamaha Yamaha may refer to: * Yamaha Corporation, a Japanese company with a wide range of products and services, established in 1887. The company is the largest shareholder of Yamaha Motor Company (below). ** Yamaha Music Foundation, an organization estab ...

that has also been adapted for ultralight aircraft use.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page G-8 Cybair Limited Publishing, 2001.

Design and development

The KT100 is a simple and rugged air-cooled engine that uses piston-ported intake induction with a Walbro WB-3A carburetor. The KT100 is a popular high-performance two-stroke kart racing

engine An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power ...

. It comes in various forms used in many countries. The KT100J is slightly smaller with fewer options in comparison to its bigger brother, the KT100SE. The KT100 is a very versatile engine using different exhaust systems and carburetors through a large range of classes. The KT100 can be tuned for most series and organizations with maximum and minimum rules.

Aircraft use

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 loading In aerodynamics, wing loading is the total mass of an aircraft or flying animal divided by the area of its wing. The stalling speed of an aircraft in straight, level flight is partly determined by its wing loading. An aircraft or animal with a ...

s than today, making flight practical on the KT100's developed at 10,000 rpm. In aircraft use it was usually equipped with a

recoil starter Rope start (also called pull start or ''rewind start'') is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers, chainsaws, ultralight aircraft, small outboard motors and portable engine-generators. ...

and a belt reduction drive.

Applications

Skyhigh Skybaby The Skyhigh Skybaby is an American ultralight aircraft that was designed and produced by Skyhigh Ultralights Inc, introduced in 1983. The aircraft was supplied in the form of plans for amateur construction.Cliche, Andre: ''Ultralight Aircraf ...

* Striplin Lone Ranger *

Swallow Aeroplane Company Swallow A The Swallow Aeroplane Company Swallow is a series of American ultralight aircraft that was designed by Chet Fudge and produced by the Swallow Aeroplane Company in the 1980s. The aircraft was supplied as a kit for amateur construction.Clich ...

Ultralite Soaring Wizard The Ultralite Soaring Wizard is an American ultralight aircraft that was designed and produced by Ultralite Soaring Inc. The aircraft was supplied as a kit for amateur construction.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th E ...

Volmer VJ-24W SunFun The Volmer VJ-24W SunFun is an American high-wing, strut-braced, single-seat, pod-and-boom motor glider and ultralight aircraft that was designed by Volmer Jensen and provided as plans for amateur construction by his company Volmer Aircraft ...

Specifications (KT100S)

References

External links

* {{DEFAULTSORT:Yamaha Kt100 Air-cooled aircraft piston engines Two-stroke aircraft piston engines KT100