This service repair manual covers the 1985 Mercury Mariner 18HP Outboard motor, a 2-stroke engine designed for marine propulsion. Known for its robust engineering and reliability, this outboard motor provides dependable performance for various boating applications. Its 18-horsepower rating ensures efficient power delivery for a range of watercraft. This comprehensive English-language manual, spanning hundreds of pages, is designed to assist owners, mechanics, and technicians. It provides detailed information on maintenance procedures, including oil changes and transmission work, alongside troubleshooting guidance. With numerous illustrations and easy-to-read text, this searchable and printable manual is an essential resource for keeping your Mercury Mariner 18HP Outboard in optimal condition.