This manual covers the Yamaha 80HP 4-stroke, 4-cylinder Outboard engines manufactured between 2000 and 2002, including specific models such as the F80TLRY, F80TJRZ, F80TLRZ, F80TJRA, and F80TLRA. These engines are engineered for reliable performance, offering a robust 80 horsepower output from their efficient 4-cylinder, 4-stroke configuration. Designed for a wide range of marine applications, these Yamaha outboards are known for their durability and consistent power delivery. This comprehensive Factory Service Manual provides detailed information essential for the maintenance and repair of your Yamaha outboard. It includes procedures for engine component removal and installation, troubleshooting guides, service information, wiring diagrams, and maintenance schedules. With the inclusion of assembly, system, and exploded parts diagrams, along with specific sections for supplementary and jet drive models, this manual serves as an indispensable resource for owners, technicians, and mechanics to ensure the optimal performance and longevity of their engine.