This manual covers the Mercury Mariner outboard motor, an 8 HP engine designed for reliable performance on various watercraft. Engineered for durability and efficiency, the Mariner series is recognized for its robust construction and dependable operation, making it a suitable choice for recreational boating and light commercial applications. Its water-cooled system and CDI ignition ensure consistent power delivery, while the outboard gearcase with forward, neutral, and reverse positions offers versatile maneuverability. This Service Repair Workshop Manual in English provides comprehensive instructions for the maintenance and repair of your Mercury Mariner outboard motor. It details essential procedures, including lubrication, scheduled maintenance tasks such as fuel filter and water pump impeller replacement, and troubleshooting guidance. By following the information contained within, owners, mechanics, and technicians can effectively maintain the operational integrity and longevity of the 8 HP Mercury Mariner.