This manual covers the Yamaha 50EJRV outboard motor, produced in 1997. Designed for marine propulsion, this internal combustion, gasoline-powered outboard motor exemplifies Yamaha's commitment to engineering quality and reliability. Its robust construction and performance-oriented design make it a dependable choice for a variety of maritime applications. The purpose of this English-language Factory Service Manual is to provide comprehensive guidance for the maintenance and repair of the Yamaha 50EJRV. It details general information, periodic inspections and adjustments, fuel system, power unit, lower unit, bracket unit, and electrical system. With included troubleshooting guides, electrical system diagrams, step-by-step instructions, diagnostic procedures, illustrations, photographs, and exploded views, this manual serves as an essential resource for owners, mechanics, and technicians.