This manual covers the Yamaha 50EJRX outboard motor, manufactured in 1999. Designed for marine propulsion, this 2-stroke, gasoline-powered unit delivers 50 horsepower and features a 703 cc displacement. Yamaha is renowned for its engineering quality and reliability, ensuring dependable performance for a wide range of boating applications. This specific model exemplifies the brand's commitment to robust design and efficient operation in demanding marine environments. This comprehensive Factory Service Repair Maintenance Manual in English provides detailed information essential for maintaining and repairing your Yamaha 50EJRX outboard motor. It includes step-by-step instructions, diagnostic procedures, and troubleshooting guides for all major systems, including the fuel, power, lower, bracket, and electrical units. With detailed illustrations, photos, exploded views, and wiring diagrams, this manual is an indispensable resource for owners, mechanics, and technicians to ensure the continued optimal performance and longevity of the marine propulsion system.