This manual covers the Yamaha 8 LD Outboard, a 1990 model year 2-stroke outboard engine. Engineered for reliability and performance, this 8 horsepower, inline 2-cylinder engine features a displacement of 147 cc and a single carburetor. Its robust design is suitable for a variety of marine applications, offering dependable power with a Forward-Neutral-Reverse gear selection and a gear ratio of 2.15:1. The engine is water-cooled and utilizes a recoil starter for ignition. This comprehensive Service Repair Maintenance Manual provides essential information for the proper upkeep and repair of your Yamaha 8 LD Outboard. It details critical maintenance procedures, including gear oil capacity, fuel-oil mixture ratios, and spark plug specifications. Technical data, troubleshooting guidance, and safety instructions are also included to assist owners, mechanics, and technicians in maintaining optimal performance and longevity of the unit.