This Service Repair Manual covers the Mercury Mercruiser 496 CID / 8.1L engine. This V8 gasoline engine is known for its robust performance, typically delivering 375 horsepower and 470 lb-ft of torque. Designed for marine applications, it commonly utilizes an inboard/sterndrive configuration and features electronic ignition and water cooling. The 8.1-liter displacement provides substantial power for demanding watercraft, reflecting Mercury Mercruiser's commitment to engineering quality and reliability in its marine propulsion systems.

This comprehensive manual provides essential information for the maintenance, repair, and technical understanding of your Mercury Mercruiser 496 CID / 8.1L engine. It details critical procedures, including lubrication, routine servicing of components like spark plugs and fuel filters, and impeller replacement. Technical specifications, troubleshooting guidance, and safety protocols are also included. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of the engine.