This comprehensive service and repair manual provides detailed instructions and technical specifications for Mercury Mariner 70, 75, 80, 90, 100, and 115 horsepower 2-stroke outboard motors manufactured between 1987 and 1993. The manual covers a wide range of topics, including engine assembly and disassembly, troubleshooting, maintenance procedures, electrical system diagnostics, and component repair. Whether you're a seasoned mechanic or a DIY enthusiast, this manual empowers you with the knowledge and guidance necessary to maintain and repair your Mercury Mariner outboard motor.

The Mercury Mariner 70, 75, 80, 90, 100, and 115hp 2-stroke outboard motors, produced between 1987 and 1993, represent a significant chapter in the history of Mercury Marine's outboard offerings. These powerful and reliable motors were designed to cater to a broad range of boating enthusiasts, from recreational fishermen to weekend cruisers. These models were known for their robust construction, featuring durable components that could withstand the rigors of saltwater and freshwater environments. With their impressive power output, these Mariners offered exceptional acceleration and top speeds, providing a thrilling experience on the water. They were also relatively fuel-efficient for their time, making them attractive to budget-minded boaters. The Mercury Mariner 70-115hp range featured a variety of innovative features for its era, including a patented "Power Trim" system that allowed users to adjust the engine's angle for optimal performance and fuel efficiency. They also incorporated a "Power Tilt" system that allowed for easy and effortless lifting and lowering of the engine. The advanced ignition system ensured reliable starting and smooth operation, while the robust cooling system protected the engine from overheating, even under strenuous conditions. Despite their age, these Mariners remain a popular choice among boaters who value dependability and performance. With proper maintenance and care, these powerful outboard motors can continue to deliver many years of reliable service.