This manual covers the Volvo Penta SP-A, SP-A1, and SP-A2 sterndrives. These units are known for their robust engineering and reliable performance, designed to meet the demanding requirements of marine applications. This documentation provides comprehensive information to ensure optimal operation and longevity of your equipment. This Service and Repair manual offers detailed guidance for mechanics, independent auto service professionals, and vehicle owners. It includes essential sections on general engine information, safety procedures, repair instructions, tightening torques, special tools, model generation specifics, design and function, assembly and disassembly, and various component systems such as the sterndrive, shift mechanism, gear systems, and trim system. Additionally, it covers technical data, service bulletins, and wiring diagrams, all presented with step-by-step instructions and diagrams to facilitate accurate maintenance and repair.