This workshop service manual covers the Volvo Penta DP-B engine. Volvo Penta is renowned for its commitment to engineering excellence and reliability in marine propulsion systems. The DP-B model represents a significant contribution to this legacy, offering robust performance and durability for its intended applications. While specific production years are not detailed, the inherent quality associated with the Volvo Penta brand ensures this engine is built to withstand demanding operational environments. This comprehensive manual serves as an essential resource for maintaining and repairing the Volvo Penta DP-B engine. It provides detailed information on routine maintenance, including service interval guidelines and charts, alongside in-depth step-by-step repair instructions and overhaul procedures. Furthermore, the manual includes crucial troubleshooting guidance and diagnostic procedures to help identify and resolve issues efficiently. This document is designed to assist professional technicians, DIY mechanics, and owners in ensuring the optimal performance and longevity of their Volvo Penta engine.