This Service Repair Manual covers Yamaha F20-25 outboard motors, designed for reliable performance in marine applications. The F20-25 series represents Yamaha's commitment to engineering excellence, providing users with robust and dependable power for a variety of boating needs. This manual is specifically tailored to assist with the service, maintenance, and troubleshooting of these high-quality outboard motors, ensuring their longevity and optimal functionality. The purpose of this manual is to provide comprehensive guidance for owners and technicians. It details essential maintenance procedures, in-depth troubleshooting steps, critical technical specifications, and vital safety guidelines. With highly detailed instructions, complete disassembly information, and top-quality diagrams, this manual is an indispensable resource for both do-it-yourself enthusiasts and experienced mechanics seeking to maintain and repair their Yamaha F20-25 outboard motors effectively.