This service repair manual covers Yamaha 25J, 30D, 25X, and 30X Outboard models. These engines are known for their robust engineering and reliability, designed for a variety of marine applications. The manual is specific to serial numbers listed within its pages, ensuring accurate information for your particular unit. This comprehensive German-language manual provides detailed information essential for maintaining and repairing your Yamaha outboard. It includes step-by-step instructions, clear diagrams, and a complete parts list with pictures. Coverage extends to major assemblies such as the power unit, lower unit, and bracket unit, as well as electrical systems and fuel system maintenance. Troubleshooting guidance and technical data are also included, making it suitable for do-it-yourselfers of any skill level.