This comprehensive workshop repair manual provides detailed service, maintenance, and troubleshooting information for Mercury Mariner 100 and 115 HP outboard engines manufactured between 1987 and 1993. It covers a wide range of topics, including engine operation, performance diagnostics, component identification, repair procedures, and parts diagrams. You'll find clear instructions and detailed illustrations to guide you through every step of the process. This manual is an essential resource for professional mechanics, DIY enthusiasts, and anyone who wants to keep their Mercury Mariner outboard running smoothly.

The Mercury Mariner 100 and 115 HP outboard engines, produced from 1988 to 1993, represent a significant chapter in Mercury Marine's history. These powerful and reliable outboards were designed to provide strong performance across a wide range of boating applications. The Mariner 100 and 115 HP outboards featured a 2.4-liter inline four-cylinder engine. This powerplant, coupled with the robust and efficient design of the engine, provided exceptional performance and dependability. The Mariner 100 and 115 HP were known for their smooth power delivery, making them suitable for a wide variety of boats, from fishing boats to small runabouts. Mercury's commitment to quality engineering and innovative design ensured that these outboards deliver reliable performance and long-lasting durability.

While these outboards were known for their power and durability, maintaining them was crucial to ensure optimal performance. This is where the Mercury Mariner 100 115 HP 1988-1993 Workshop Repair Manual comes in. This vital resource provides comprehensive information on all aspects of these engines, from routine maintenance to complex repairs. The manual includes detailed diagrams, step-by-step instructions, and troubleshooting guides, making it an indispensable tool for any mechanic or DIY enthusiast looking to maintain or repair their Mariner outboard. The manual covers a wide range of topics, including engine overhauls, electrical systems, fuel systems, and cooling systems. It empowers owners to perform maintenance tasks themselves or gives them the knowledge to make informed decisions while working with a qualified mechanic. Owning this manual ensures that your Mercury Mariner 100 115 HP outboard keeps running smoothly and efficiently, allowing you to enjoy countless hours of safe and enjoyable boating experiences.