This manual covers the Yamaha 25 ELD Outboard motor, produced in 1990. As a 2-stroke outboard motor designed for marine propulsion, it delivers 25 horsepower and operates on gasoline. Engineered by Yamaha Motor Corporation, this outboard drive system is built for reliability and performance in both freshwater and saltwater environments. Its robust construction ensures dependable operation for a variety of boating applications, providing efficient and powerful thrust for your vessel. This comprehensive Service Repair Maintenance manual provides essential information for the upkeep and repair of your Yamaha 25 ELD Outboard. It details disassembly, repair, assembly, and inspection procedures, along with recommended maintenance schedules and oil types. This guide is an indispensable resource for owners, mechanics, and technicians, offering the technical specifications and operational insights necessary to maintain optimal performance and ensure the longevity of the motor.