The 1990 Yamaha 175ETLD is a powerful outboard motor designed for marine applications. This V6, 2.6L engine delivers 175 horsepower and features a carbureted fuel system, CDI ignition, and water cooling for reliable performance. Its long shaft length and power trim and tilt system enhance its versatility on the water. Built with Yamaha's renowned engineering, this model is recognized for its durability and robust construction, making it a dependable choice for boaters seeking strong propulsion. This Service Repair Maintenance Manual provides comprehensive guidance for the Yamaha 175ETLD. It covers essential maintenance procedures, troubleshooting techniques, and detailed technical specifications necessary for proper upkeep and repair. The manual is designed to assist owners, mechanics, and technicians in understanding and maintaining the engine's various systems, including lubrication, fuel, ignition, and cooling. By following the instructions within this manual, users can ensure the longevity and optimal performance of their 1990 Yamaha outboard motor.