The Mercury Mariner Outboard is a series of 2-stroke outboard motors designed for a variety of small watercraft applications. Available in 2.2, 2.5, 3.0, and 3.3 HP variants, these engines offer reliable performance and efficient operation. Their compact size and lightweight construction make them ideal for tenders, jon boats, and other small vessels where portability and ease of use are paramount. The engineering focuses on delivering dependable power for recreational boating and light commercial tasks. This Service Repair Manual provides comprehensive guidance for the maintenance and repair of Mercury Mariner Outboard models. It covers essential procedures, including lubrication, fuel mixture recommendations, ignition system details, and cooling system operation. Technical specifications, troubleshooting tips, and diagnostic information are included to assist owners and technicians in keeping these engines in optimal working condition. The manual aims to ensure the longevity and performance of your Mercury Mariner Outboard.