This manual covers the Mercury Mariner 75 HP Sea Pro outboard motor, specifically for serial numbers 09793577 and above. This robust 3-cylinder, 1.27-liter (77.4 cubic inch) engine features a Capacitor Discharge Ignition (CDI) system, fuel injection for efficient delivery, and water cooling for reliable performance. Designed for demanding marine applications, this outboard motor is engineered for durability and consistent power output, making it a dependable choice for a wide range of boating needs. This Factory Service Repair Manual provides comprehensive guidance for maintaining and repairing your Mercury Mariner 75 HP Sea Pro. It details essential procedures for lubrication, ignition, fuel system, and electrical components, along with technical specifications for optimal performance. This manual is an indispensable resource for owners, mechanics, and technicians, ensuring the longevity and proper functioning of the outboard motor through accurate information and systematic troubleshooting.