This professional technical manual covers the Johnson Evinrude 50 HP Outboard, produced between 1973 and 1990. These robust 2-stroke outboard engines are water-cooled and feature carbureted fuel induction, delivering reliable performance for a variety of marine applications. Their engineering emphasizes durability and efficiency, making them a trusted choice for boaters seeking dependable power on the water. This manual provides in-depth information to ensure these engines continue to operate at their peak. The purpose of this service repair manual is to provide comprehensive guidance for the maintenance, troubleshooting, and repair of the Johnson Evinrude 50 HP Outboard. It details essential procedures including engine overhaul, carburetor and ignition system adjustments, fuel and electrical system servicing, cooling system maintenance, and propeller replacement. With clear instructions and technical specifications, this manual is an indispensable resource for owners, mechanics, and technicians aiming to preserve the longevity and optimal performance of their Johnson Evinrude outboard motor.