This manual covers the Mercury Mariner Outboard motor, an outboard motor designed for marine applications. While specific production years are not detailed, this engine typically features a 90 HP output, water-cooled operation, and fuel injection. Its robust construction and reliable performance make it a dependable choice for various boating needs. The outboard gearcase provides forward, neutral, and reverse functionality, ensuring efficient propulsion. This comprehensive Full Service Repair Manual in English provides essential information for maintaining and repairing your Mercury Mariner Outboard. It details critical procedures for lubrication, cooling system maintenance, and general service, including recommended impeller replacement intervals. Technical specifications and troubleshooting guidance are included to assist owners, mechanics, and technicians in ensuring optimal performance and longevity of the outboard motor.