This Service Repair Manual covers the Johnson Evinrude 50 HP Outboard motor, manufactured between 1971 and 1989. These robust outboard motors are known for their reliable performance on the water, making them a popular choice for various boating applications. Engineered for durability and efficiency, the 50 HP model provides dependable power for recreational and light commercial use, embodying the quality associated with Johnson Evinrude marine propulsion. This comprehensive manual is designed to assist owners, technicians, and mechanics in understanding, maintaining, and repairing the Johnson Evinrude 50 HP Outboard. It details essential procedures, including scheduled maintenance, lubrication requirements, fuel system care, and ignition system specifics. Technical specifications, troubleshooting guidance, and information on critical components like the water pump impeller and propeller are also provided to ensure optimal performance and longevity of the unit.