This manual covers the 1992 Yamaha 25ESHQ Outboard Motor, a 25 horsepower, 2-stroke gasoline engine designed for marine propulsion. Engineered for reliability and performance in both freshwater and saltwater environments, this Yamaha outboard motor is built to provide dependable service for a wide range of boating applications. Its robust construction and efficient design ensure optimal operation and longevity for its intended use. The purpose of this comprehensive Factory Service Repair Maintenance Manual is to provide detailed information for the proper maintenance, repair, and troubleshooting of your 1992 Yamaha 25ESHQ Outboard Motor. It includes essential sections on general information, periodic inspections and adjustments, fuel system, power unit, lower unit, bracket unit, electrical system, and troubleshooting, all supported by step-by-step instructions, diagrams, photos, and exploded views. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain the peak performance and operational integrity of their Yamaha outboard motor.