This manual covers Mercury MerCruiser Sterndrive (MCM) and Inboard (MIE) models, specifically those with serial numbers 0K000001 and above. It provides comprehensive information for the 2.8L In-line 4-Cylinder Diesel and 4.2L In-line 6-Cylinder Diesel engines, both featuring D-Tronic injection systems. The manual details various powertrain components, including ZF/Hurth transmissions, propeller shafts, and power steering systems, ensuring optimal performance and longevity for your marine propulsion. The Quicksilver #22 Workshop Service Manual is designed to be an indispensable resource for owners, technicians, and mechanics. It offers detailed guidance on service, repair, and maintenance procedures, supported by extensive illustrations. Key areas covered include general information, cooling systems (seawater and closed), fuel system components, electrical systems, and intake/exhaust systems. This manual equips you with the knowledge necessary to perform all essential maintenance and troubleshooting tasks, ensuring your Mercury MerCruiser operates at peak efficiency.