This service repair manual covers Mercury Mariner 9.9HP and 15HP 4-stroke outboard motors, including the Bigfoot models, manufactured by Mercury Marine. These reliable outboard motors are designed for marine propulsion, offering efficient gasoline-powered performance with 323 cc displacement and available power options of 9.9 HP or 15 HP. Their robust engineering ensures dependable operation for a variety of boating applications.

This manual provides comprehensive guidance for maintaining and repairing your Mercury Mariner outboard motor. It details essential procedures, technical specifications, and troubleshooting steps to keep your engine running optimally. By following the instructions within this document, owners, mechanics, and technicians can ensure the longevity and performance of their marine propulsion system.