This comprehensive repair service manual is specifically designed for Yamaha BR250 watercraft manufactured in 1986. It provides detailed technical information and step-by-step instructions for professional technicians, empowering them to effectively diagnose and repair various components. The manual offers thorough coverage of engine systems, electrical systems, drive systems, and other essential parts. It includes detailed diagrams, illustrations, and specifications, facilitating a clear understanding of each component and its function. Whether you're addressing routine maintenance, troubleshooting issues, or performing major repairs, this manual serves as an invaluable resource for all your Yamaha BR250 1986 repair needs.