This Yamaha Marine Outboards 40Q/50Q P50Q Service Manual LIT-18616-00-69 is a must-have for any owner of an outboard motor. It provides detailed information on how to keep your Yamaha motor running smoothly and efficiently. With this manual, you will learn how to perform routine maintenance tasks, troubleshoot and repair any issues that may arise. The manual covers all aspects of the Yamaha Marine Outboards 40Q/50Q P50Q model, including but not limited to its design, features, and technical specifications. It is an invaluable resource for anyone who wants to keep their outboard motor in top shape.