This workshop service repair manual covers the Mercury Mariner outboard engine, a robust and reliable power unit designed for a variety of marine applications. With a 50 horsepower rating, this engine is engineered for dependable performance. The manual details various aspects of the Mariner model, providing essential information for its upkeep and operation. This comprehensive English-language manual is designed to assist owners, technicians, and mechanics in maintaining and repairing the Mercury Mariner. It includes detailed procedures for engine components, fuel systems, lubrication, electrical and ignition systems, transmission, and steering controls. Troubleshooting guides and repair procedures are also covered, ensuring that the engine can be kept in optimal working condition.