This manual covers Yamaha 2-stroke outboard motors manufactured between 1997 and 2013, ranging from 2HP to 300HP. It details models featuring 1-6 cylinder configurations, including V4 and V6 variants, and is applicable to both standard and jet drive compatible units. Yamaha outboard motors are engineered for robust performance and reliability, making them a trusted choice for a wide array of marine applications. This comprehensive guide ensures you have the necessary information to maintain and repair these powerful engines. The purpose of this 716-page English service manual is to provide detailed instructions for the repair and maintenance of Yamaha 2-stroke outboard motors. It includes extensive sections on general information, safety, tools, maintenance, tune-ups, fuel systems, ignition and electrical systems, lubrication, cooling, powerheads, lower units, trim and tilt, remote controls, and hand rewind starters. With detailed wiring diagrams and coverage of electronic fuel injection, this manual is an essential resource for owners, mechanics, and technicians seeking to keep their Yamaha outboard motors operating at peak efficiency and performance.