This comprehensive workshop service repair manual provides you with the necessary information to service, maintain, and troubleshoot your Johnson Evinrude Outboards 140 HP model, covering all years from 1973 to 1990. This manual, identical to the one used by professional mechanics, is a complete and intact resource, ensuring you have access to all the information you need. It includes hundreds of pages of diagrams and detailed instructions for specific vehicle or equipment repair. You will find detailed instructions for every repair procedure, critical specifications, illustrations and photos, maintenance guidelines, disassembly and assembly processes, cleaning methods, reinstallation procedures, and much more. The manual also simplifies diagnosing and repairing electrical system issues. Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for easy reference. The manual is organized with a numbered table of contents, making it easy to quickly find the information you need. This manual will save you time and money by allowing you to perform simple repairs yourself, and it's a valuable resource to have on hand for future maintenance or repairs.

The Johnson Evinrude 140 HP outboard motor, produced from 1973 to 1990, is a powerful and reliable engine designed for larger boats seeking robust performance. Renowned for its durability and smooth operation, this engine is a popular choice amongst boaters seeking a time-tested and dependable power source. Equipped with a 140 cubic inch (2.3 liter) displacement two-stroke engine, it generates a respectable 140 horsepower. The engine features a cast iron powerhead with a rugged construction designed for longevity and resistance to wear. The 140 HP incorporates a number of features that contributed to its popularity, including a direct-drive system, a single-lever control for throttle and shift, and a large capacity fuel tank. Notably, the Johnson Evinrude 140 HP features a unique "Power Boost" system, which provides an additional burst of power when needed. This system achieved its boost by injecting a small amount of fuel directly into the intake manifold. This resulted in a noticeable improvement in acceleration, making it a sought-after feature for water skiers and other recreational boaters. The Johnson Evinrude 140 HP outboard motor proved to be a reliable workhorse for many years, serving a wide range of boating needs. However, with time and usage, these engines may experience mechanical issues requiring repair and maintenance. This is where the Johnson Evinrude 140 HP 1973-1990 Repair Service Manual comes into play. This comprehensive manual is an essential resource for anyone wanting to service, maintain, or repair their 140 HP engine. The manual contains detailed information on every aspect of the engine, including its components, wiring diagrams, troubleshooting procedures, and step-by-step repair instructions. With its clear and concise language, accompanied by numerous illustrations and diagrams, this repair manual empowers boat owners to confidently perform repairs and maintenance on their 140 HP engine, ensuring optimal performance and longevity.