This comprehensive workshop service repair manual provides detailed instructions and diagrams for servicing and repairing Yamaha 9.9F and 15F outboard motors. It covers a wide range of topics, including general information, specifications, periodic inspection and adjustment procedures, fuel system, power unit, lower unit, bracket unit, electrical systems, and troubleshooting. The manual is designed to be user-friendly and includes clear illustrations to guide you through each repair process. Whether you are a seasoned mechanic or a DIY enthusiast, this manual is an invaluable resource for maintaining and repairing your Yamaha outboard motor. This manual covers the following Yamaha outboard models: 9.9T, 15T, 9.9T2, and 15T2.

The Yamaha 9.9F and 15F outboard motors are renowned for their reliability, durability, and fuel efficiency, making them popular choices for a wide range of boating applications. These models, along with their counterparts, the 9.9T, 15T, 9.9T2, and 15T2, represent Yamaha's dedication to providing dependable and powerful engines for smaller vessels. The "F" designation denotes a four-stroke engine, known for its smooth operation and reduced emissions compared to two-stroke counterparts, while the "T" models represent two-stroke engines, offering a lighter and more compact design. The 9.9F and 15F models are available in both standard and long-shaft configurations, providing flexibility for various hull types and applications.

These engines are distinguished by their advanced features, including Yamaha's proprietary PrimeStart system, which simplifies starting even in cold weather. The CDI ignition system ensures reliable combustion, while the robust gearcase provides smooth and efficient power transmission. The 9.9F and 15F are renowned for low noise and vibration levels, enhancing the overall boating experience. Featuring a corrosion-resistant design and robust construction, these outboards are built to withstand the rigors of marine environments. The service repair manual for these models provides comprehensive information on maintenance, troubleshooting, and repair procedures, ensuring owners can keep their engines running smoothly and efficiently for years to come. This manual is an indispensable resource for anyone seeking to maintain and service their Yamaha outboard motor, whether experienced mechanics or novice users.