This manual covers the Mercury Mariner outboard motor produced between 1987 and 1993. Designed for reliable performance, these 3-cylinder outboard engines offered power options of 70hp and 75hp, with the 75hp Marathon variant providing enhanced capabilities. The Mariner series is recognized for its robust engineering and dependable operation, making it a trusted choice for various marine applications. This comprehensive workshop service repair manual provides detailed information for maintaining and repairing your Mercury Mariner. It includes all A-Z service and repair procedures, accompanied by step-by-step instructions and illustrations to guide you through every task. The manual covers essential areas such as maintenance schedules, fluid capacities, and technical specifications, ensuring you have the knowledge to keep your engine running optimally.