This document pertains to the Mercury Mariner Sailpower outboard motor, a water-cooled engine delivering 9.9 horsepower. Designed for reliable performance on the water, this motor features an outboard gearcase with forward, neutral, and reverse gears, making it a capable option for various marine applications. Its robust construction and straightforward operation ensure dependable service for recreational boaters. This Factory Service Repair Manual, written in English, provides comprehensive guidance for the maintenance and repair of your Mercury Mariner Sailpower. It covers essential procedures, technical specifications, and troubleshooting information necessary to keep your outboard motor operating at peak efficiency. Owners, technicians, and mechanics will find detailed instructions to perform routine servicing, address potential issues, and ensure the longevity of the unit.