This document pertains to the Volvo Penta SP-A, an internal combustion engine designed for robust performance and reliability. While specific production years are not detailed, this model represents a commitment to engineering excellence within its class. Its design focuses on delivering dependable power and efficiency, making it suitable for a range of demanding applications where consistent operation is paramount. This comprehensive workshop service manual provides essential information for the maintenance and repair of the Volvo Penta SP-A. It covers critical areas including periodic maintenance charts, step-by-step repair instructions, troubleshooting guidance, overhaul procedures, and detailed wiring diagrams. The manual is intended for both professional technicians and DIY mechanics, offering the necessary technical specifications and diagnostic information to ensure the optimal performance and longevity of the engine.