This manual covers the Mercury Mercruiser Alpha One Generation II Sterndrives, designed for reliable and powerful marine propulsion. Engineered for performance and durability, these sterndrives represent a significant advancement in marine drive technology, offering a robust solution for a wide range of boating applications. Their advanced design ensures efficient power transfer and exceptional handling, making them a preferred choice for both recreational and professional use. The purpose of this Service Repair Manual is to provide comprehensive guidance for the maintenance, repair, and servicing of the Mercruiser Alpha One Generation II Sterndrives. It includes detailed instructions, high-definition diagrams, and essential technical specifications covering general information, maintenance procedures, troubleshooting, removal and installation of components, adjustments, and specific systems such as the driveshaft housing, gear housings, transom assembly, power trim, and steering systems. This manual is an indispensable resource for professional mechanics and DIY users alike, ensuring the longevity and optimal performance of your sterndrive.