This manual covers Mercury Mercruiser 454 CID Engines manufactured between 1993 and 1997. These V8 engines, featuring 454 cubic inches of displacement, fuel injection, and water-cooled systems, are engineered for robust performance and reliability. This service and repair manual provides comprehensive information to understand, maintain, and repair these powerful marine engines, ensuring their continued optimal operation. The purpose of this English-language Service and Repair Manual is to offer detailed guidance for all aspects of engine maintenance and repair. It includes sections on general maintenance, troubleshooting, engine and transmission service, brake systems, electrical systems, cooling systems, fuel injection, and much more. By providing in-depth knowledge and clear procedures, this manual empowers owners and technicians to perform necessary service, reduce repair costs, and ensure the longevity and efficiency of their Mercury Mercruiser 454 CID Engines.