This manual covers the Yamaha 70ETLJ, a 1986 model outboard motor designed for boating. Engineered by Yamaha Motor Corporation, this 2-stroke, 70 HP gasoline-powered motor with a propeller drive system is built for reliability and performance on the water. Its robust construction and precise engineering ensure a dependable experience for all your aquatic adventures. This professional-grade service repair maintenance manual provides comprehensive guidance for the Yamaha 70ETLJ. It details essential maintenance procedures, including scheduled inspections and fluid requirements such as Yamalube 2M oil. The manual also covers troubleshooting, technical specifications, and safety guidelines, empowering owners, mechanics, and technicians to effectively maintain and repair the outboard motor, ensuring its optimal performance and longevity.