This workshop repair service manual covers the Mercury Mariner 8 HP 4-Stroke Outboard generation. Engineered for reliability and performance, this gasoline-powered, water-cooled outboard is designed for various marine applications. Its robust construction and efficient 4-stroke engine deliver dependable power, making it a suitable choice for recreational boating and light commercial use. This comprehensive manual provides essential information for the maintenance, service, and troubleshooting of your Mercury Mariner outboard. It details critical procedures, technical specifications, and recommended service intervals to ensure optimal performance and longevity. Owners, technicians, and mechanics will find the guidance necessary for routine upkeep and complex repairs, covering areas such as lubrication, component replacement, and system diagnostics.