This Service & Repair Manual covers the Yamaha 60C, 70C, and 90C Series outboard motors manufactured in 2006. These engines are designed for reliable performance on the water, incorporating features such as a CDI ignition system and a choice of carburetor or fuel injection with oil injection. The robust engineering of these Yamaha outboards ensures durability and efficiency for a wide range of boating applications. This comprehensive manual provides detailed information essential for the maintenance and repair of your Yamaha outboard motor. It includes procedures for periodic inspection and adjustment, guidance on servicing components like spark plugs, fuel filters, water pumps, and anodes, as well as electrical system details including wiring diagrams and serviceable components such as starter relays and rectifier regulators. The manual is designed to assist owners, mechanics, and technicians in keeping these engines in optimal operating condition.