This manual covers the Yamaha F80TXRX, a 1999 model outboard motor designed for reliable marine propulsion in both freshwater and saltwater environments. Engineered with Yamaha's commitment to quality and performance, this 4-stroke motor utilizes unleaded gasoline and features an outboard drive system. Its robust construction ensures durability for a wide range of boating applications, providing dependable power for your aquatic adventures. This comprehensive Service Repair Maintenance Manual, in English, provides essential information for maintaining and repairing your Yamaha F80TXRX. It details procedures for regular inspections, including recommended oil types like Yamalube 4M and oil capacity specifications. The manual includes exploded diagrams to aid in understanding component relationships and is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of the outboard motor.