This manual covers the Yamaha 25ELD, a 1990 model year outboard motor designed for marine propulsion. Engineered with a reliable 2-stroke gasoline engine producing 25 horsepower, this unit represents a robust solution for various boating needs. Yamaha's commitment to quality ensures dependable performance and longevity for owners who demand efficiency and power on the water. The purpose of this English-language Service Repair Maintenance Manual is to provide comprehensive guidance for the Yamaha 25ELD. It details general information, fuel system, power unit, lower unit, bracket unit, electrical system, specifications, and troubleshooting. With step-by-step instructions, detailed wiring diagrams, illustrations, photos, and exploded views, this manual equips owners, mechanics, and technicians with the necessary knowledge for effective maintenance, repair, and optimal operation of the outboard motor.