The Mazda V-twin engine was an

air-cooled Air-cooled engines rely on the circulation of air directly over heat dissipation fins or hot areas of the engine to cool them in order to keep the engine within operating temperatures. Air-cooled designs are far simpler than their liquid-cooled ...

V-twin engine A V-twin engine, also called a V2 engine, is a two-cylinder piston engine where the cylinders are arranged in a V configuration and share a common crankshaft. The V-twin is widely associated with motorcycles, primarily installed longitudinally ...

produced by

Mazda is a Japanese Multinational corporation, multinational automotive manufacturer headquartered in Fuchū, Hiroshima (town), Fuchū, Hiroshima Prefecture, Hiroshima, Japan. The company was founded on January 30, 1920, as Toyo Cork Kogyo Co., Ltd. ...

in the early 1960s. This was Mazda's first

automobile A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, Car seat, seat one to eight people, have four wheels, and mainly transport private transport#Personal transport, peopl ...

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 ge ...

, before a more common

inline-four engine A straight-four engine (also referred to as an inline-four engine) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. The majority of automotive four-cylinder engines use a straight-four layout ( ...

configuration was introduced.

BA (356 cc)

The first automobile engine from Mazda was the 356 cc (60x63 mm) air-cooled 90° V-twin. It was an

overhead valve An overhead valve engine, abbreviated (OHV) and sometimes called a pushrod engine, is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with flathead (or "sidevalve") engines, where the v ...

4-valve

pushrod A valvetrain is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. The intake valves control the flow of air/fuel mixture (or air alone for direct-injected engines) into the combu ...

design. This engine produced and 16 lb·ft (22 Nm) in the 1960 Mazda R360.

EB (577 cc)

The engine was enlarged to 577 cc for the 1961 B600, which was built until 1966. It produces at 4300 rpm and of torque at 3000 rpm. This engine is popular with custom motorcycle builders in Indonesia, who use it in a variety of frames to emulate the V-twin engined Harley-Davidsons.

BA (356 cc)

EB (577 cc)

References

See also