This manual covers the Volvo Penta DP-B, a marine sterndrive engine designed for reliable performance. Known for its robust engineering, the DP-B model exemplifies Volvo Penta's commitment to quality and durability in marine propulsion. This comprehensive guide is intended to assist users in understanding and maintaining their vessel's power system. The purpose of this workshop service repair manual is to provide detailed information for the maintenance and repair of the Volvo Penta DP-B engine. It includes in-depth instructions, diagrams, and specifications covering engine mechanical and electrical systems, fuel and emission control systems, transmission components, drivetrain, chassis systems such as suspension, steering, and brakes, as well as body and electrical systems. Troubleshooting procedures and detailed wiring diagrams are also included, making this an essential resource for both do-it-yourself enthusiasts and experienced mechanics.