This manual covers the Yamaha 2SN 2SK OUTBOARD models manufactured between 1984 and 1985. These 2-stroke outboard motors are designed for marine propulsion, representing a period of robust engineering and reliability in outboard motor technology. Their straightforward design and durable construction make them a dependable choice for various boating applications. This Replacement Parts Manual provides comprehensive information essential for identifying and acquiring necessary components. It includes detailed exploded parts diagrams, part numbers, and descriptions, serving as an invaluable aid for disassembly, repair, and assembly. The manual is presented in English and is designed to be clear and easy to follow, assisting owners and technicians in maintaining their Yamaha outboard motors.