This manual covers the Yamaha 8LJ, a first-generation 2-stroke outboard motor produced in 1986. Renowned for its robust engineering and reliability, this 8 HP engine features a 2-cylinder, 130cc displacement, and a water-cooled system. Its design prioritizes dependable performance for various marine applications. The engine utilizes a CDI ignition system, a single carburetor, and a diaphragm fuel pump for efficient operation. This Factory Service Manual provides comprehensive guidance for the maintenance, repair, and technical understanding of the Yamaha 8LJ. It details essential procedures including lubrication, periodic inspections, and component specifications. Owners, mechanics, and technicians will find detailed information on engine specifications, transmission, electrical and fuel systems, and cooling. The manual is designed to ensure the longevity and optimal performance of your Yamaha outboard.