This comprehensive repair manual provides detailed instructions and diagrams to assist you in maintaining and repairing your 1958-1972 Johnson and Evinrude 50-125HP 2-stroke outboard motor. The manual covers a wide range of topics, including engine assembly and disassembly, electrical systems, fuel systems, lubrication systems, cooling systems, and troubleshooting. It features clear illustrations and step-by-step instructions to guide you through every repair process, making it an invaluable resource for both novice and experienced mechanics. You'll find detailed information on the specific components and systems of your outboard motor, enabling you to identify and resolve any issues efficiently. This manual will empower you to perform a wide range of repairs, from basic maintenance tasks to more complex engine overhauls, ensuring your outboard motor runs smoothly and reliably for years to come.

The 1958-1972 Johnson and Evinrude 50-125HP 2-stroke outboard motors represent a classic era in outboard motor history, known for their robust construction, reliable performance, and iconic design. These motors were designed for a wide range of boating applications, from fishing and cruising to water sports. They featured a range of displacements, from the 50HP "Sea-Horse" with its 39.5 cubic inch displacement to the 125HP "Super Sea Horse" with its 100 cubic inch engine. All models shared a common design philosophy, emphasizing simplicity and durability. These motors were known for their strong powerbands, making them capable of pulling skiers and tubers with ease. The 2-stroke design, utilizing a pre-mix of gas and oil, provided efficient power delivery and lightweight construction, making them popular for smaller boats.

However, these motors, like any aging technology, also have certain limitations. While they are known for their durability, they require regular maintenance to ensure long-term reliability. Their 2-stroke design can result in higher emissions compared to modern 4-stroke engines. Additionally, parts availability can be a challenge for older models, though dedicated collectors and enthusiasts have built a robust network for sourcing parts and providing restoration expertise. Despite these limitations, the 1958-1972 Johnson and Evinrude 50-125HP 2-stroke outboards remain popular for their classic charm, historical significance, and the satisfaction of restoring and operating these pieces of boating history. These motors, in the right hands, still provide a reliable and exciting way to enjoy the water.