This comprehensive manual provides detailed instructions for servicing, repairing, and maintaining your 1988 Yamaha 15SG outboard motor. The manual is meticulously organized in a step-by-step format, making it easy for mechanics to follow each procedure with clarity. Detailed explanations cover all aspects of disassembly, repair, assembly, and inspection, ensuring a thorough understanding of each operation. Each chapter features exploded diagrams before each disassembly section, simplifying the identification of correct procedures. The manual is completely indexed and searchable, providing quick and convenient access to the information you need. It covers everything from basic maintenance to complex repairs, ensuring you have all the knowledge necessary to keep your 15SG running smoothly.

The Yamaha 15SG is a compact and reliable 15 horsepower, two-stroke outboard motor renowned for its durability and simplicity. Designed for smaller boats, it is a popular choice for fishing, dinghy sailing, and recreational boating. The 15SG boasts a single-cylinder, air-cooled design that delivers a smooth and efficient power delivery, making it an excellent option for both beginners and experienced boaters. Featuring a lightweight and portable design, it is easy to transport and install. The 15SG is known for its fuel efficiency, thanks to its optimized fuel system and low fuel consumption. It also features a manual start system, eliminating the need for a battery and simplifying operation.

The Yamaha 15SG is built to withstand the rigors of marine environments, featuring corrosion-resistant materials and a durable construction that ensures long-lasting performance. The 15SG's straightforward design makes maintenance and repairs relatively simple. However, to ensure optimal performance and longevity, proper maintenance is essential. A service manual provides detailed instructions and guidelines for routine maintenance tasks, such as oil changes, spark plug replacement, and fuel system cleaning. It also contains troubleshooting information to diagnose and address common issues, ensuring that your 15SG remains in peak operating condition. Investing in a factory service manual allows boat owners to perform these tasks independently, saving on repair costs and ensuring their motor is well-maintained.