This manual pertains to the 1999 Yamaha F80TXRX outboard motor, a four-stroke gasoline engine designed for marine propulsion. Engineered for reliability and performance, this model delivers 80 horsepower, making it a robust choice for various boating applications. Its construction reflects Yamaha's commitment to quality, ensuring dependable operation on the water. This comprehensive Service Repair Maintenance manual in English provides detailed instructions for the upkeep and repair of your Yamaha F80TXRX. It covers all aspects of the motor, including disassembly, repair, assembly, and inspection operations, presented in a step-by-step format with exploded diagrams. The manual is designed to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of the outboard motor.