This service repair manual covers Yamaha outboard motors, including 150hp, 175hp, 200hp +VMAX V175 2-stroke, HPDI models, and the 150 (105hp) Jet Drive, manufactured for the years 1999 through 2002. These engines are engineered for reliable performance, featuring advanced 2-stroke and High Pressure Direct Injection (HPDI) technology. This manual is designed to provide comprehensive information for the upkeep and repair of these robust outboard motors, ensuring their continued operational excellence. The purpose of this manual is to serve as an essential resource for owners, mechanics, and technicians. It details general information, periodic inspection and adjustments, fuel system, power unit, lower unit, electrical system, and bracket unit procedures. With step-by-step instructions, diagnostic guidance, detailed wiring and circuit diagrams, illustrations, photos, and exploded views, this manual facilitates efficient maintenance and repair. All pages are printable for convenient use during service operations.