This service repair manual covers Mercury Mariner Outboard motors manufactured between 1992 and 2000. It encompasses a wide range of models, including the 105/140 JET, 135, 150, 150 XR6, 150 Magnum III, 150 EFI, 175, 175 EFI, 200, 200 EFI, 150 Pro Max, 200 Pro Max, 225 Pro Max, 150 Super Magnum, 200 Super Magnum, and 225 Super Magnum. These powerful outboard motors are engineered for reliability and performance, offering horsepower ranging from 105 to 225 HP, suitable for various marine applications. The manual details engines utilizing both carburetor and fuel injection systems, depending on the model year. This comprehensive manual provides detailed information to assist owners and technicians in maintaining and repairing their Mercury Mariner Outboard motors. It includes step-by-step instructions, diagnostic procedures for electrical, fuel, powerhead, mid-section, and lower unit systems, and covers components such as the ignition, cooling, oil injection, charging, and starting systems. Wiring diagrams, a complete parts list, and specific service procedures for right-hand and left-hand rotation lower units, as well as jet outboard lower units, are also included, making it an indispensable resource for ensuring optimal performance and longevity.