This manual covers the Mercury Mariner 8 HP Outboard motor, a water-cooled outboard engine featuring a CDI ignition system and carburetor fuel delivery. Designed for reliable performance, this naturally aspirated motor offers 8 horsepower and typically utilizes a manual or electric starting system, along with a tiller handle and twist grip throttle for intuitive operation. Its outboard gearcase provides forward, neutral, and reverse gear selection, and it is equipped with a manual tilt trim system. This comprehensive Factory Service Repair Manual, written in English, provides essential information for maintaining and repairing your Mercury Mariner 8 HP Outboard. It details critical maintenance procedures, including recommended fuel mixtures and gear oil types, alongside troubleshooting guidance and technical specifications. With hundreds of pages of detailed instructions and diagrams, this manual serves as an indispensable resource for owners and technicians to ensure the longevity and optimal performance of the outboard motor.