This manual covers the 1986 Yamaha 175ETLJ, a powerful 175 horsepower outboard motor designed for a variety of marine applications. Yamaha is recognized for its commitment to engineering excellence, delivering reliable and high-performance marine propulsion systems. The 175ETLJ embodies this dedication, offering robust construction and advanced technology to ensure efficient operation and durability on the water. Its design prioritizes user experience and longevity, making it a dependable choice for recreational and professional use. The purpose of this Factory Service Repair Maintenance Manual is to provide comprehensive guidance for the proper maintenance, repair, and servicing of your Yamaha 175ETLJ outboard motor. It details procedures for general information, periodic inspections and adjustments, fuel system, power unit, lower unit, bracket unit, and electrical system. The manual includes step-by-step instructions, illustrations, photos, exploded views, wiring and circuit diagrams, and diagnostic information to assist owners, mechanics, and technicians. This resource is essential for maintaining optimal performance and extending the service life of your outboard motor.