The Zenoah G-50 is a twin-cylinder, horizontally opposed, two stroke, carburetted aircraft engine, designed for use on ultralight aircraft.
[1][2] The Zenoah G-50 is equipped with single capacitor discharge ignition and dual Mikuni slide-type carburetors.
It is equipped with a recoil starter system or optionally electric start and a 2.1 or 2.6:1 belt reduction drive.
[1][2][3] The engine runs on a mixture of unleaded auto fuel and oil.
[1][2] Producing 45 hp (34 kW) at 5800 rpm, the G-50 competed in the early 1980s ultralight powerplant market against the similar Rotax 447.