This service repair manual covers Johnson Evinrude Outboard Engines manufactured between 1958 and 1972, specifically models ranging from 50 HP to 125 HP. These engines, available in 3-cylinder and 4-cylinder configurations, represent a significant era in marine propulsion, offering reliable performance for a variety of watercraft. This guide details specific engine variants, including the 50 HP 3-cylinder (1958-1959), 60 HP 4-cylinder (1964-1967), 85 HP 4-cylinder (1968-1972), and the powerful 125 HP 4-cylinder (1971-1972), among others. The purpose of this comprehensive manual is to provide essential information for the maintenance and repair of these Johnson Evinrude outboard engines. It includes detailed, step-by-step procedures for removal, disassembly, cleaning, assembly, and installation, supported by pictures and diagrams. A troubleshooting guide is also provided to assist in diagnosing and resolving common issues. This resource is designed for both professional technicians and DIY mechanics, offering the necessary knowledge and guidance to ensure the optimal performance and longevity of the engine.