The Mercury MerCruiser 454 CID, produced between 1993 and 1997, represents a powerful V8 sterndrive engine designed for marine applications. With a displacement of 454 cubic inches (7.4 L), this engine typically delivers around 300-330 horsepower and 400-430 ft-lbs of torque, making it suitable for a variety of boating needs. Its robust construction and proven engineering contribute to its reputation for reliability and performance on the water. This model features a carbureted fuel system and a closed cooling system, with variations for raw water or freshwater cooling. This Workshop Service Repair Manual provides comprehensive guidance for the Mercury MerCruiser 454 CID engine. It covers essential maintenance procedures, including lubrication, cooling system service, and fuel system requirements, along with detailed troubleshooting steps for common issues such as carburetor adjustments and ignition system problems. Technical specifications and information on compatible drive units like the Alpha One and Bravo series are also included. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain, repair, and optimize the performance and longevity of their 1993-1997 Mercury MerCruiser 454 CID engines.