This comprehensive service manual provides detailed instructions for servicing Mercury Mercruiser GM V-8 305 CID (5.0L) & 350 CID (5.7L) marine engines produced between 1993 and 1999. The manual is meticulously organized and easy to navigate, offering a wealth of information to assist you with troubleshooting, rebuilding, servicing, maintenance, and repair. The manual is packed with charts, diagrams, schematics, specifications, and pictures that make complex procedures easy to understand. It covers all aspects of servicing these engines in a clear and concise format, ensuring you have all the information you need at your fingertips. The manual covers the following models: **MCM Alpha** * 5.0L (Serial No. OD832472 - OF601000) 1993 - 1995 * 5.0LX (Serial No. OD831003 - OF601000) 1993 - 1995 * 5.7L (4 Barrel) (Serial No. OD830700 - OF601000) 1993 - 1995 * 5.7L (2 Barrel) (Serial No. OF601000 and Above) 1996 - 1999 * 5.7LX (Serial No. OF601957 and Above) 1996 - 1999 * 5.7L EFI (Serial No. OF286830 and Above) 1993 - 1997 * 5.7LX EFI (Serial No. OF752400 and Above) 1997 - 1999 * 350 Magnum (Serial No. OD830982 and Above) 1993 - 1999 * 350 Magnum EFI Gen+ (Serial No. OF800500 and Above) 1997 - 1999 **MCM Bravo** * 5.0L (OD833077 - Serial No. OF601464) 1993 - 1995 * 5.7L (4 Barrel) (Serial No. OD831826 - OF605335) 1993 - 1995 * 5.7L (2 Barrel) (Serial No. OF605336 and Above) 1996 - 1999 * 5.7LX (Serial No. OF601645 and Above) 1996 - 1999 * 5.7L EFI (Serial No. OF225560 and Above) 1993 - 1997 * 5.7LX EFI (Serial No. OF752408 and Above) 1997 - 1999 * 350 Magnum (Serial No. OD800300 and Above) 1993 - 1999 * 350 Magnum EFI Gen+ (Serial No. OF800500 and Above) 1997 - 1999 * 350 Magnum EFI/MP (Serial No. OF289431 - OF601999) 1995 * 350 Magnum MPI Gen+ (OF602000 and Above) 1996 - 1997 **MIE Ski** * 5.7L Competition (4 Barrel) (Serial No. OD840220 - OF775199) 1993 - 1995 * 5.7L Competition (2 Barrel) (Serial No. OF775200 and Above) 1996 - 1997 * 350 Magnum Tournament Ski (Serial No. OD840100 and Above) 1993 - 1997 * 350 Magnum EFI Tournament Ski (Serial No. OF225157 - OK000000) 1994 - 1996 * 350 Magnum EFI Gen+Tournament Ski (Serial No. OK040006 and Above) 1997 * 350 Magnum EFI/MP Tournament Ski (Serial No. OF350583 - OF745536) 1995 * 350 Magnum MPI Tournament Ski (Serial No. OF745537 - OK000000) 1996 * 350 Magnum MPI Gen+Tournament Ski (Black Scorpion) (Serial No. OF800000 and Above) 1996 **MIE Inboard** * 5.7L (Serial No. OD84000 and Above) 1993 - 1997 * 5.7L EFI Gen+ (Serial No. OK040300 and Above) 1997 The manual is divided into sections to make finding specific information easy: * **Section 1 - Important Information:** This section covers specifications, maintenance, and general information. * **Section 2 - Removal and Installation:** This section details the removal and installation procedures for various components, including Alpha One and Bravo drives, driveshaft extensions, Velvet Drive transmissions, and Hurth transmissions. * **Section 3 - Engine:** This section covers the 5.0L / 305 CID and 5.7L / 350 CID engines. * **Section 4 - Electrical Systems:** This section details the starting, ignition, charging, and instrumentation systems, as well as electrical kits and wiring diagrams. * **Section 5 - Fuel System:** This section covers fuel delivery systems, fuel pumps, carburetors, and electronic fuel injection systems. * **Section 6 - Cooling System:** This section covers seawater-cooled and closed-cooled models. * **Section 7 - Exhaust System:** This section covers the manifold, elbows, risers, and collectors. * **Section 8 - Drives:** This section details the Borg-Warner in-line and V-drive transmissions, Hurth down-angle transmission, and driveshaft models. * **Section 9 - Power Steering:** This section covers the power steering pump.

The Mercury Mercruiser GM V-8 305 CID (5.0L) and 350 CID (5.7L) manual engines are renowned powerplants in the marine industry, known for their reliability, performance, and adaptability. These gasoline-powered V8 engines, developed by General Motors and adapted for marine use by Mercury Mercruiser, offer a range of power outputs and features to suit various boat applications. The 305 CID (5.0L) engine, with its smaller displacement, is a popular choice for smaller boats and cruisers, delivering a balance of performance and fuel efficiency. On the other hand, the 350 CID (5.7L) engine, boasting a larger displacement, offers increased horsepower and torque for larger vessels and high-performance applications. Both engines feature a robust cast-iron block and aluminum heads, providing durability and efficiency, and are available with either a carburetor or electronic fuel injection system for optimized fuel delivery and power output. The Mercury Mercruiser GM V-8 305 and 350 manual engines are renowned for their ease of maintenance and repair, thanks to their simple design and readily available parts. These engines are typically paired with Mercruiser's Alpha One or Bravo sterndrive systems, providing efficient power transfer to the propeller. They are also compatible with various other marine transmissions and drive systems, allowing for customization and adaptation to different boat configurations. Whether cruising along calm waterways or tackling challenging conditions, these engines deliver a smooth and reliable performance. The inherent durability and performance of these V8 engines, coupled with their adaptability and availability of parts and service, make them a popular choice for boat owners seeking dependable and powerful propulsion for their vessels.