This Service Workshop Manual provides comprehensive information for the Kohler AEGIS LH775 engine. The AEGIS LH775 is a liquid-cooled, horizontal crankshaft engine from the AEGIS family, designed for various applications. With a displacement of 775 cc and utilizing gasoline as fuel, this engine is engineered for reliability and performance, featuring a forced lubrication system. While specific model years are not detailed, the engine's robust construction and advanced design ensure efficient operation. This manual serves as an essential resource for owners, technicians, and mechanics. It covers critical aspects of engine maintenance, including detailed procedures for oil changes, air filter servicing, and spark plug replacement, along with recommended service intervals. Technical specifications, fluid capacities, and recommended viscosity and fuel octane ratings are also provided to ensure optimal engine health and longevity. The English language manual is available in digital and print formats, offering clear guidance for maintaining and repairing the Kohler AEGIS LH775 engine.