The Mariner JET 65 HP, produced between 1994 and 1997, represents the first generation of the JET Series. This 2-stroke, water-cooled engine, featuring a 3-cylinder configuration and approximately 1.0L displacement, delivers 65 HP through a carbureted fuel system and CDI ignition. Its jet drive transmission is engineered for reliable performance in various water conditions, making it a capable option for recreational boating. The Mariner JET 65 HP is designed with an emphasis on robust construction and dependable operation. This Factory Service Repair Manual, presented in English, provides comprehensive guidance for the Mariner JET 65 HP. It covers essential maintenance procedures, including lubrication with 2-stroke outboard oil at a 50:1 ratio, and details on replacing components like spark plugs and water pump impellers. Technical specifications, troubleshooting steps, and safety guidelines are also included. This manual serves as an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance, longevity, and safe operation of their Mariner JET 65 HP engine.