This comprehensive service manual covers a range of MerCruiser engines, including the 305 CID 5.0L, 350 CID 5.7L, and 6.2L models, for years 1998 through 2001. Designed primarily for professional technicians, this manual provides detailed information and clear step-by-step instructions for a wide array of repair and maintenance procedures. The manual is organized into nine sections, covering essential aspects of MerCruiser engine systems. Section 1 provides general information, maintenance tips, and troubleshooting guidance. Section 2 covers removal and installation procedures for MCM and MIE models. Section 3 focuses on engine specifics, including detailed information for the 350 CID 5.0L/305 CID 5.7L engines and a supplemental section dedicated to the 377 CID 6.2L engine. Section 4 delves into electrical systems, covering the starting system, ignition system, charging system, instrumentation, and comprehensive wiring diagrams. Section 5 explores fuel systems, including fuel delivery systems for both carbureted and electronic fuel injection engines, along with descriptions of fuel injection system operation, disassembly, reassembly, troubleshooting, and diagnostics. Section 6 provides guidance on cooling systems, focusing on both seawater-cooled and closed-cooled models. Section 7 covers exhaust systems, including general information, specifics on manifolds, elbows, risers, and collectors. Section 8 details drives, encompassing Velvet Drive inline and V-drive transmissions, Velvet Drive 5000 Series transmissions, Hurth models, and drive shaft/propeller shaft models. Finally, Section 9 focuses on power steering systems, covering the pump and related components. This service manual is a valuable resource for anyone seeking to maintain or repair their MerCruiser engine. The detailed instructions and clear illustrations make it easy to follow along, ensuring successful repairs and preventative maintenance.

The Mercruiser 305 CID 5.0L, 350 CID 5.7L, and 6.2L engines are popular choices for powering recreational boats, offering a balance of performance and reliability. These gasoline-powered engines, produced by Mercruiser from 1998 to 2001, are known for their smooth operation and robust construction, making them suitable for a variety of boating applications. The 305 CID (5.0L) engine, often referred to as a "small block" engine, provided a balance of power and fuel efficiency. The 350 CID (5.7L) engine offered increased horsepower and torque, making it ideal for larger boats and watersports activities. The 6.2L engine, introduced later in the lineup, delivered even more power and performance, catering to enthusiasts seeking a thrilling ride. These engines featured Mercruiser's Alpha One sterndrive system, known for its smooth shifting and reliable operation. These Mercruiser engines were well-equipped with modern technology for their time. They featured electronic ignition systems for reliable starting and smooth performance, along with fuel injection systems for optimal fuel efficiency and emissions control. The engines also incorporated multi-port fuel injection, a feature that ensured precise fuel distribution to each cylinder for increased power and reduced emissions. The Mercruiser 305 CID 5.0L, 350 CID 5.7L, and 6.2L engines were known for their durability, thanks to the use of high-quality materials and robust construction. The engines were designed to withstand the rigors of marine environments, with corrosion-resistant components and comprehensive cooling systems. These engines are popular choices for boat owners who prioritize performance, reliability, and value, making them a trusted power source in the recreational boating industry.