This comprehensive Mercury MerCruiser 496 CID (8.1L) Gasoline Engine Service Manual provides detailed and easy-to-understand information for troubleshooting, rebuilding, servicing, maintenance, and repair of the Mercury MerCruiser 496 C.I.D. (8.1L) Gasoline Marine Engines. The manual features over 355 pages of illustrated instructions, charts, diagrams, schematics, specifications, and pictures to guide you through every step of the process. This manual covers all aspects of servicing these engines, including: * **Section 1 - Important Information:** General information, maintenance procedures, and troubleshooting guides are provided to ensure a thorough understanding of the engine system. * **Section 2 - Removal and Installation:** Step-by-step instructions for removing and installing both Sterndrive (MCM) and Inboard (MIE) models are included. * **Section 3 - Engine:** Detailed information about the 496 CID (8.1L) engine is provided, covering its components and operation. * **Section 4 - Electrical System:** This section delves into the starting, ignition, and charging systems. * **Section 5 - Fuel System:** The manual focuses on the fuel delivery system for Electronic Fuel Injection and provides instructions for disassembling and reassembling the fuel injection components. * **Section 6 - Cooling System:** This section specifically addresses the closed-cooled models. * **Section 7 - Exhaust System:** The manual covers manifolds, elbows, and collectors. * **Section 8 - Drives:** Detailed information on Velvet Drive 5000 Series Transmission and Hurth Transmission is included. * **Section 9 - Power Steering:** The manual covers the power steering pump. This manual offers a comprehensive resource to help you successfully service and maintain your Mercury MerCruiser 496 engine. **Models Covered:** * **Sterndrive (MCM) Model Serial Number:** 496 Mag HO 0M000000 & Up, 496 Mag 0M000000 & Up * **Inboard (MIE) Model Serial Number:** 8.1S HO 0M000000 & Up, 8.1S Horizon 0M000000 & Up

The Mercury MerCruiser 496 Gasoline Engine is a powerful and reliable marine propulsion system renowned for its robust performance and durability. This 8.1L (496 cubic inch) engine, boasting a displacement of 8.1 liters, has been a staple in the boating industry for years, finding its way into a wide range of vessels, from sleek sport boats to luxurious cruisers. The 496 is known for its impressive torque and horsepower, delivering a thrilling experience on the water. Coupled with the MerCruiser sterndrive system, this engine provides exceptional maneuverability and control, allowing boaters to navigate various waterways with ease. The Mercury MerCruiser 496 Gasoline Engine is meticulously engineered, featuring a cast-iron block and aluminum heads for optimal durability and heat dissipation. The engine's design incorporates a multi-port fuel injection system for precise fuel delivery and efficient combustion, ensuring optimal performance and fuel economy. The 496 also boasts a sophisticated electronic control module (ECM) that constantly monitors engine parameters, adapting fuel delivery and ignition timing for optimal performance under varying conditions. This dedication to precision and reliability makes the 496 a popular choice among boaters seeking a powerful and dependable engine that delivers consistent performance, whether cruising leisurely or carving through the water at high speeds.