This service repair manual covers the Mercury Mariner 9.9 HP Outboard Motor, applicable to serial numbers 09792200 and above. Engineered for reliable performance on the water, this outboard motor is designed to provide efficient propulsion for a variety of marine applications. Its robust construction and proven design ensure dependable operation in demanding conditions, making it a trusted choice for boaters seeking consistent power and durability. This manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your Mercury Mariner 9.9 HP Outboard Motor. It details essential procedures, technical specifications, and diagnostic information necessary for optimal performance and longevity. By following the instructions within this guide, owners and technicians can effectively service the unit, ensuring it remains in peak operating condition and adheres to all safety standards.