This workshop repair service manual covers the Mercury Mariner 80 HP Jet Outboard, designed for marine applications. This gasoline-powered, water-cooled jet drive motor features electric start, CDI ignition, and a water-cooled exhaust system. Its robust construction and reliable performance make it a dependable choice for various boating needs. This comprehensive manual provides essential information for the service, maintenance, and troubleshooting of your Mercury Mariner 80 HP Jet Outboard. It details procedures, technical specifications, and safety guidelines, empowering owners and technicians to keep the engine operating at peak efficiency. The English-language documentation is designed to be a complete resource for all aspects of engine care and repair.