This manual covers Mercury Mercruiser MPI Engines, including the 5.0L, 5.7L, and 6.2L V8 models. These engines utilize Multi-Point Fuel Injection (MPI) technology and are designed for reliable performance across multiple model years. Their robust engineering ensures durability and efficiency for a wide range of marine applications. The purpose of this comprehensive service and repair manual is to provide detailed guidance for maintaining and troubleshooting your Mercury Mercruiser MPI engine. It includes essential information on general maintenance, periodic lubrication, engine and transmission service, electrical systems, cooling, fuel injection, emissions, engine control, chassis, body components, restraint systems, and axle information. Wiring diagrams are also included to assist owners, mechanics, and technicians in performing all necessary service procedures.