This service repair workshop manual covers Mercury Mariner Outboard motors manufactured from 1997 onwards. Designed for 2-stroke engines with horsepower ranging from 225 hp to 250 hp, and featuring Electronic Fuel Injection (EFI), these outboard motors are engineered for performance and reliability. This manual provides comprehensive coverage for all repair aspects, from basic maintenance and tune-ups to in-depth troubleshooting and installation. It is an essential resource for understanding and maintaining the complex systems of your Mercury Mariner Outboard.

The purpose of this manual is to provide detailed, professional-quality guidance for the repair and maintenance of your Mercury Mariner Outboard. It includes step-by-step instructions, high-quality pictures, and diagrams to illustrate procedures for the Fuel System, Electrical Ignition System, Tilt & Trim, Lower Unit, Gear Case Repair, and Rewind Starter. Additionally, it covers timing and adjustments, troubleshooting, and provides essential parts numbers. This English-language manual is compatible with PC and MAC systems and is designed to assist owners, mechanics, and technicians in performing all repairs effectively and efficiently.