This service repair manual covers the 1971 Mercury Mariner 35HP outboard motor, a robust gasoline-powered unit designed for marine propulsion. Engineered for reliability and performance, this model delivers 35 horsepower, making it suitable for a variety of watercraft applications. Its durable construction and efficient design have established Mercury Mariner as a trusted name in marine engines, offering dependable operation for recreational and professional use alike. This comprehensive manual provides essential information for maintaining and repairing your Mercury Mariner 35HP outboard motor. It includes detailed procedures for tasks such as oil changes, transmission swaps, and general maintenance, along with step-by-step repair guidance illustrated with hundreds of images. The manual is designed to be easy to read and navigate, ensuring that owners, mechanics, and technicians can efficiently perform necessary service and keep the engine operating at its peak performance.