This comprehensive workshop service manual provides detailed instructions and specifications for the repair and overhaul of Mercury Mariner 115 HP 4 Cylinder outboard motors manufactured between 1988 and 1993. The manual covers a wide range of topics, including engine disassembly and assembly, component identification, troubleshooting, electrical systems, fuel systems, lubrication, cooling, and much more. It includes detailed wiring diagrams, exploded views, and step-by-step procedures for all major repairs and maintenance tasks. With its extensive information and clear illustrations, this manual is an essential resource for mechanics, technicians, and DIY enthusiasts seeking to maintain and repair their Mercury Mariner 115 HP 4 Cylinder outboard motors.

The Mercury Mariner 115 HP 4 Cylinder, produced between 1988 and 1993, is a reliable and powerful outboard motor designed for mid-sized boats. This engine, known for its durability and performance, offers a balance of power and efficiency, making it suitable for a variety of boating activities. Powered by a 4-cylinder, 1.7-liter engine, the Mariner 115 HP delivers a strong 115 horsepower output, enabling swift acceleration and comfortable cruising speeds. The engine features a robust construction, incorporating cast iron cylinders and a durable crankshaft, ensuring long-lasting performance even under demanding conditions. Its smooth operation and efficient fuel consumption make it a popular choice for boaters seeking a reliable and economical power source. Beyond its mechanical specifications, the Mercury Mariner 115 HP 4 Cylinder is known for its ease of maintenance and accessibility. The engine's design allows for simple access to key components for routine servicing, while the availability of readily available parts ensures quick and efficient repairs. The service repair manual, specifically designed for this model, provides comprehensive guidance for owners and mechanics on all aspects of maintenance, troubleshooting, and repair. This detailed manual, containing diagrams, specifications, and step-by-step instructions, empowers users to confidently handle routine maintenance, understand potential issues, and perform necessary repairs. The combination of reliable performance, user-friendly maintenance, and a comprehensive repair manual makes the Mercury Mariner 115 HP 4 Cylinder a desirable choice for boaters seeking a dependable and easy-to-manage power source for their vessels.