This manual covers the Bukh DV10 and DV20 Engines, designed for robust performance and reliability in various applications. As a comprehensive Engine Service Repair Workshop Manual, it provides essential information for the maintenance, diagnosis, and repair of these engines. The Bukh brand is recognized for its engineering quality, and this manual ensures that owners and technicians can uphold that standard through detailed guidance. The purpose of this English-language manual is to serve as a definitive resource for all aspects of Bukh DV10 and DV20 engine service. It includes step-by-step repair instructions, troubleshooting guides, diagrams, illustrations, and wiring schematics. Whether you are a professional mechanic or an owner with basic mechanical skills, this manual will empower you to perform routine maintenance, such as oil and filter changes, and address more complex repair needs, ultimately contributing to significant savings on repair bills and ensuring the longevity of your engine.