This manual covers the Yamaha 70ETLG, a 70 horsepower two-stroke outboard motor produced in 1988, designed for marine propulsion. Yamaha is renowned for its engineering quality and reliability, and this model exemplifies their commitment to robust performance in demanding aquatic environments. The 70ETLG is built to deliver consistent power and dependable operation, making it a trusted choice for a variety of boating applications. This Factory Service Repair Maintenance Manual in English provides comprehensive guidance for owners and technicians. It details essential maintenance procedures, troubleshooting steps, and technical specifications necessary for the upkeep of your Yamaha outboard motor. Coverage includes general information, periodic inspections and adjustments, fuel system, power unit, lower unit, bracket unit, and electrical system, all supported by detailed wiring diagrams, step-by-step instructions, diagnostic procedures, and visual aids such as illustrations, photos, and exploded views.