This service manual covers Johnson Evinrude outboard motors manufactured between 1973 and 1989, encompassing models with horsepower ranging from 48 HP to 235 HP. These engines are known for their robust engineering and reliability, designed for a variety of marine applications. This specific generation of Johnson Evinrude outboards represents a significant period in outboard motor development, offering dependable performance for recreational and professional use. This comprehensive workshop manual provides detailed guidance for the maintenance, repair, and troubleshooting of your Johnson Evinrude outboard. It includes step-by-step instructions, clear illustrations, and technical specifications essential for proper servicing. Coverage extends to critical systems such as fuel, ignition, electrical, gearcase, power trim, and tilt systems, along with specialized procedures and diagnostic information. This manual is an indispensable resource for owners, technicians, and mechanics seeking to maintain their engines in optimal condition.