This manual covers the Yamaha 20MSHU, a 1996 model outboard motor designed for marine propulsion. Engineered with a reliable 2-stroke engine, this 20-horsepower unit displaces 49.3 cubic inches (808 cc) and operates on unleaded gasoline. Its robust construction and precise engineering ensure dependable performance for a wide range of boating applications. This comprehensive Service Repair Maintenance manual provides factory-level professional documentation in English. It details essential information for maintaining and repairing your Yamaha outboard motor, including step-by-step disassembly and assembly procedures with exploded diagrams, comprehensive explanations of repair and inspection operations, and guidance on technical specifications. This resource is invaluable for owners, mechanics, and technicians seeking to ensure the longevity and optimal performance of their marine propulsion system.