This comprehensive service manual covers the 1998-2001 MerCruiser 5.0L, 5.7L and 6.2L engines. It was designed for professional technicians but also provides detailed information for DIY mechanics. The manual covers a wide range of topics including maintenance, troubleshooting, removal and installation, engine repair, electrical systems, fuel systems, cooling systems, exhaust systems, drives and power steering.
The manual begins with general information, maintenance procedures, and troubleshooting tips. It then delves into detailed instructions on removing and reinstalling components for both MCM and MIE models. Dedicated sections cover the 350 CID / 5.0L / 305 CID / 5.7L engines, along with a supplemental manual for the 377 CID / 6.2L engine.
The electrical system section covers the starting, ignition, charging, and instrumentation systems, including wiring diagrams. The fuel system section covers both carbureted and electronic fuel injected systems, including descriptions of system operation, disassembly and reassembly, troubleshooting tips, and diagnostics.
The manual also covers the cooling system for both seawater and closed-cooled models. The exhaust system section details the manifolds, elbows, risers, and collectors. Drive system coverage includes Velvet Drive inline and V-drive transmissions, Velvet Drive 5000 series transmissions, Hurth models, and drive shaft/propeller shaft models. Finally, the manual concludes with a detailed section on the power steering system, including the pump and related components.
The manual provides detailed information, step-by-step instructions, illustrations, diagrams, specifications, and a comprehensive troubleshooting guide to assist you with any repair procedure. It is a valuable resource for anyone who wants to maintain and repair their 1998-2001 MerCruiser engine.
The 1998-2001 MerCruiser Manual 305 CID 5.0L, 350 CID 5.7L, and 6.2L engines were powerful and reliable workhorses that powered a wide range of boats during their production run. These gasoline-fueled, naturally aspirated V8 engines offered a comfortable balance of performance and fuel efficiency. The 305 CID (5.0L) engine, with its 5.0-liter displacement, delivered a respectable amount of power for smaller to mid-sized boats. The 350 CID (5.7L) engine, benefitting from its larger 5.7-liter displacement, provided increased power and torque, making it suitable for larger boats and those seeking more exhilarating performance. The top-of-the-line 6.2L engine was even more powerful, delivering the most torque and pulling capability for larger cruisers and performance boats. All three engines were known for their durability and dependability, making them popular choices for both recreational and commercial boating applications.
The 1998-2001 MerCruiser engines featured a number of design characteristics that contributed to their success. These engines typically utilized fuel injection for precise fuel delivery and improved fuel economy, along with a cast iron block and aluminum heads for both strength and weight management. MerCruiser also incorporated advanced technologies such as electronic ignition systems and exhaust manifolds designed for efficient operation and reduced emissions. They were, and remain, popular choice for both new and used boat buyers. While these engines are no longer in production, many of them continue to run reliably thanks to proper maintenance, making them a sound investment for boat enthusiasts. With a wide range of available parts and support from a robust aftermarket network, owners can be confident in the longevity and serviceability of these engines.