This comprehensive service and repair manual covers Mercury Mariner 150, 175, and 200 HP EFI 4-stroke outboard motors manufactured between 2002 and 2007. This manual provides detailed instructions and diagrams for performing a wide range of maintenance and repair tasks, from routine servicing to complex engine overhauls. It includes detailed information on troubleshooting, diagnostics, and repair procedures for all major components, including the engine, fuel system, electrical system, cooling system, and steering system. Whether you're a seasoned mechanic or a DIY enthusiast, this manual will equip you with the knowledge and guidance necessary to keep your Mercury Mariner outboard running smoothly and reliably.

The Mercury Mariner 150, 175, and 200 HP EFI 4-stroke outboard motors, produced from 2002 to 2007, were powerful and reliable workhorses designed for a variety of boating applications. These engines, known for their smooth operation and fuel efficiency, featured Mercury's innovative electronic fuel injection (EFI) system, ensuring optimal combustion and consistent performance across different operating conditions. The EFI system, coupled with the 4-stroke design, contributed to reduced emissions and enhanced fuel economy, making these engines environmentally friendly and cost-effective. The Mariner 150, 175, and 200 HP models offered a range of features, including a robust powerhead, a reliable starting system, and a durable lower unit, designed to withstand the rigors of saltwater and freshwater environments.

The Mercury Mariner 150, 175, and 200 HP EFI 4-stroke outboard motors were available in various configurations, catering to different boating needs. The 150 HP model delivered a balance of power and fuel efficiency, making it suitable for mid-sized boats and fishing applications. The 175 HP variant provided increased horsepower, ideal for larger boats and watersports enthusiasts. The flagship 200 HP model offered the highest power output, making it perfect for high-performance applications and large, heavy boats. All three models incorporated advanced engineering features like Mercury's patented SmartCraft system, which provided real-time engine data and diagnostics, allowing boaters to monitor and optimize engine performance. These reliable and durable motors were a popular choice among boaters seeking a balance of power, efficiency, and dependability, making them a valuable asset in the marine industry.