The Mercury Mercruiser 502 CID, produced between 1993 and 1997, represents a robust V8 marine engine designed for demanding applications. With a displacement of 502 cubic inches (8.2 liters) and an approximate power output ranging from 340 to 400 horsepower, this engine is engineered for reliable performance on the water. It features electronic ignition and a carbureted fuel system, likely utilizing a Holley or similar carburetor, and is compatible with both marine closed cooling and raw water cooling systems, making it a versatile choice for various marine setups. This Factory Service Repair Manual in English provides comprehensive guidance for the maintenance and repair of your Mercury Mercruiser 502 CID engine. It covers essential procedures, technical specifications, and troubleshooting steps necessary to ensure optimal performance and longevity. Owners, mechanics, and technicians will find detailed information on lubrication, ignition, fuel system maintenance, and other critical aspects of engine care, enabling effective upkeep and repair.