This manual covers the Yamaha 40ELJ outboard motor, manufactured in 1986. Designed for marine propulsion, this model represents Yamaha's commitment to engineering quality and reliability. Its robust construction and innovative design ensure dependable performance for a wide range of aquatic applications. This comprehensive Factory Service Repair Maintenance Manual provides detailed information essential for the upkeep and repair of your Yamaha 40ELJ. It includes general information, periodic inspection and adjustments, fuel system, power unit, lower unit, bracket unit, and electrical system coverage. With step-by-step instructions, diagnostics, troubleshooting guides, technical specifications, and detailed illustrations, including wiring and circuit diagrams, this manual is an indispensable resource for owners and technicians to maintain the optimal performance and longevity of the outboard motor.