This manual covers the Mercury Outboard 250 EFI, manufactured for the 1996 and 1997 model years. This powerful V6 engine, with a displacement of 250 cubic inches (4.1 L) and producing 250 horsepower, features Electronic Fuel Injection (EFI) and a CDI ignition system for reliable performance. Its water-cooled design ensures efficient operation, while the outdrive transmission with forward, neutral, and reverse gears provides versatile control. Weighing approximately 475-500 lbs (215-227 kg), this outboard is engineered for demanding marine applications, built with Mercury's reputation for quality and durability. This Service Repair Manual in English provides comprehensive guidance for maintaining and repairing your Mercury Outboard 250 EFI. It details essential procedures, technical specifications, and troubleshooting steps necessary to keep your engine running optimally. The manual covers recommended fuel types, general servicing information, and other critical data for owners and technicians alike. By following the instructions within this manual, users can ensure the longevity and peak performance of their Mercury outboard motor.