This manual covers Johnson Evinrude outboard motors manufactured between 1973 and 1989, spanning multiple generations and engine configurations. These outboards are known for their robust engineering and reliability, designed for a wide range of marine applications. This comprehensive service manual details models ranging from 48 to 235 horsepower, encompassing specific engines such as the 48, 50, 55, 60, 65, 70, 75, 85, 88, 90, 100, 110, 115, 120, 135, 140, 150, 175, 185, 200, 225, and 235 HP models. The purpose of this Full Service Manual is to provide essential information for the maintenance, repair, and troubleshooting of your Johnson Evinrude outboard. It includes step-by-step illustrated procedures for lubrication, tune-ups, fuel system service, ignition and electrical systems, gearcase maintenance and overhaul, and power trim and tilt systems. Detailed technical specifications and wiring diagrams are also provided, making this manual an indispensable resource for do-it-yourself owners, professional mechanics, and students seeking to maintain their vessels.