The Rotax 618 is a 73.8 hp (55 kW) two-stroke, two-cylinder, liquid cooled, gear reduction-drive engine that was formerly manufactured by BRP-Rotax GmbH & Co. KG.
The 618 has dual Ducati capacitor discharge ignition systems and is equipped with two piston-type carburetors.
[1] The engine's propeller drive is via a Rotax type C or E style gearbox.
The standard engine includes a muffler exhaust system and an intake silencer and filter, with an after muffler also available to further reduce engine noise.
An integral alternating current generator produces 12 volts and 200 watts.