This manual covers Johnson Evinrude Outboard Motors manufactured between 1956 and 1970. These 2-stroke engines, ranging from 1.5 to 40 HP and featuring 1 and 2 cylinder configurations, are known for their robust engineering and reliability. They incorporate various technologies including Flywheel Magneto Ignition, manual and electric shift gearboxes with single lever control or push button options, and multiple starter types from hand starters to electric options. The fuel system utilizes Type I, Type II, and Type III carburetors, and the cooling system features a water pump. This comprehensive coverage ensures owners can maintain and understand the intricate workings of their dependable marine propulsion systems. The purpose of this Service Repair Manual is to provide detailed guidance for the maintenance, repair, and servicing of Johnson Evinrude Outboard Motors. It includes essential information on routine tune-up procedures, preventative maintenance schedules, and troubleshooting guides to diagnose and resolve common issues. Specific sections detail the service of components such as the water pump and propeller, along with instructions for carburetor and ignition system maintenance. With over 420 pages of information, including zoomable illustrations and exploded views, this manual serves as an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of these outboard motors.