This manual covers the Yamaha 50EJRX Outboard, a 1999 model year marine propulsion unit. Engineered for reliable performance, this water-cooled, inline 3-cylinder outboard motor delivers 50 horsepower through a carbureted fuel induction system and CDI ignition. Its robust construction and efficient design make it suitable for a variety of boating applications. The outboard features a long shaft length and a lower unit with Forward, Neutral, and Reverse gear selection, offering versatile operation. This comprehensive Service Repair Maintenance Manual in English provides detailed instructions for all disassembly, repair, assembly, and inspection operations. It includes exploded diagrams to aid in understanding component relationships and procedures. The manual is designed to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of their Yamaha 50EJRX Outboard. Coverage includes essential maintenance information such as recommended lubrication and routine checks, ensuring the unit operates at peak efficiency.