This manual covers the Mercury Mercruiser 6.2L MPI Engines, a line of V8 marine engines known for their robust performance and reliability. These engines utilize a Multi-Port Fuel Injection (MPI) system, offering efficient power delivery typically ranging from 300 to 370 horsepower and 350 to 400 lb-ft of torque, depending on the specific application. Designed for stern drive applications, they feature a Forward-Neutral-Reverse (FNR) transmission and are equipped with electronic ignition for optimal operation. These engines are engineered for demanding marine environments, providing dependable power for a variety of watercraft. The purpose of this full service repair manual is to provide comprehensive guidance for the maintenance, troubleshooting, and repair of the Mercury Mercruiser 6.2L MPI Engines. It details essential procedures, technical specifications, and safety guidelines necessary for proper upkeep. This manual serves as an indispensable resource for owners, mechanics, and technicians, enabling them to ensure the longevity, optimal performance, and safe operation of these powerful marine engines. Coverage includes routine maintenance tasks such as fluid changes and filter replacements, as well as more in-depth diagnostic and repair information.