This factory service repair manual provides comprehensive information for the 290 Series Sterndrive, covering models 290, 290A, 290DP, and 290A-DP. Designed for reliability and performance, the 290 Series sterndrives represent a significant engineering achievement in marine propulsion. This manual is essential for maintaining the integrity and operational efficiency of these units across various generations. This extensive English-language manual, presented in a printable format, offers detailed step-by-step instructions, in-depth illustrations, and crucial technical data. It covers all aspects of maintenance, from routine service and diagnostic procedures to complex assembly and disassembly of components like the propeller shaft, intermediate housing, and transom shield. With dedicated sections on safety, troubleshooting, and special tooling, this resource empowers owners and professional technicians to effectively maintain and repair their 290 Series Sterndrive, ensuring longevity and optimal performance.