The Rotax 582 is a 2-stroke piston aircraft engine manufactured in Austria, designed for ultralight experimental aircraft. This liquid-cooled engine, powered by gasoline, delivers 65 horsepower at 6500 RPM, with a displacement of 480.6 cm³. It features an electronic ignition system, an electric starter, and is equipped with two Bing 54 carburetors. Known for its robust engineering and reliability, the Rotax 582 is a trusted powerplant for aviation enthusiasts. This English-language Overhaul Manual provides comprehensive guidance for the Rotax 582 aircraft engine. It covers essential maintenance procedures, including lubrication with recommended synthetic 2-stroke oil and details on the 1.5-liter gearbox oil capacity. The manual also includes technical specifications, performance data such as bore, stroke, and fuel requirements, and safety guidelines. Its purpose is to assist owners, mechanics, and technicians in maintaining, troubleshooting, and ensuring the optimal performance and longevity of the engine.