This manual covers Mercury Mercruiser 5.0L, 5.7L, and 6.2L MPI engines, featuring V8 configurations and Multi-Port Fuel Injection systems. These engines are engineered for reliable performance in marine applications. While specific production years are not detailed, the manual addresses the MPI generation, known for its advanced fuel delivery. The engines offer varying displacements of 5.0, 5.7, and 6.2 liters, providing a range of power options suitable for diverse boating needs. This comprehensive service repair manual provides detailed guidance for the maintenance, repair, diagnostics, and restoration of your Mercury Mercruiser MPI engine. It is designed for both professional technicians and do-it-yourself mechanics, offering clear instructions supported by detailed illustrations, drawings, and photos. The manual covers essential procedures, including troubleshooting, electrical service with wiring diagrams, and recommended maintenance schedules, ensuring your engine operates at peak performance and longevity.