This Service Repair Maintenance Manual covers the Yamaha F50TLRD, a 2005 model year outboard motor. Engineered as a four-stroke, inline 4-cylinder engine with a displacement of 747 cc, it delivers 50 HP through an Electronic Fuel Injection system and features a water-cooled design. Its robust construction and reliable performance make it suitable for a wide range of boating applications, offering efficient power and precise control via its remote throttle and steering systems. This comprehensive manual provides essential information for the upkeep and repair of your Yamaha F50TLRD. It details critical maintenance procedures, including lubrication and ignition system servicing, along with technical specifications for engine and electrical components. Troubleshooting guidance and safety recommendations are also included to assist owners, mechanics, and technicians in ensuring optimal performance and longevity of the motor.