This manual covers the Yamaha 70ETLJ outboard motor, produced in 1986. Designed for marine propulsion, this outboard motor represents a significant advancement in its class, built with Yamaha's renowned engineering for exceptional reliability and performance on the water. Its robust construction and innovative features ensure efficient operation and durability, making it a trusted choice for a variety of marine applications. This comprehensive Factory Service Repair Maintenance Manual in English provides essential information for maintaining and repairing your Yamaha 70ETLJ. It details general information, periodic inspections, adjustments, and specific procedures for the fuel system, power unit, lower unit, bracket unit, and electrical system. With step-by-step instructions, detailed illustrations, photos, exploded views, diagnostics, and wiring diagrams, this manual is an indispensable resource for owners and technicians seeking to ensure optimal performance and longevity of their outboard motor.