This workshop service repair manual covers all models of the Mercury Mariner XR10 MAG10 outboard motor. Engineered for reliable performance on the water, these water-cooled, carbureted outboard motors utilize a CDI ignition system and are likely equipped with an electric starter and alternator. The transmission features an outboard drive unit, with shift controls potentially operated by remote or tiller depending on the specific model. This manual is designed to provide comprehensive information for maintaining and repairing your Mercury Mariner outboard motor. The purpose of this English-language manual is to guide owners, mechanics, and technicians through the service, maintenance, and troubleshooting procedures for the Mercury Mariner XR10 MAG10. It details essential information regarding engine specifications, cooling systems, and drive units. Furthermore, it outlines recommended maintenance intervals and care procedures, such as the importance of freshwater flushing after saltwater use. By following the instructions within this manual, users can ensure the optimal performance and longevity of their outboard motor.