This comprehensive service manual covers Mercury Mariner 150, 175, and 200HP 2-stroke EFI outboard motors, specifically those manufactured starting in 2002 with serial numbers beginning with 0T409000. The manual provides detailed information to help you perform repairs, maintenance and troubleshooting on these powerful marine engines. The manual includes a wide range of topics, from general information and routine maintenance procedures to more complex tasks such as engine removal and installation. It delves into the intricate workings of the fuel system, lubrication and cooling system, engine specifications, transmission, drive chain and sprockets, steering system, shocks, body work, intake and exhaust, electrical system, and advanced troubleshooting. With this service manual, you'll have all the information you need to confidently tackle any repair or maintenance job on your Mercury Mariner outboard. Whether you're a professional mechanic or a DIY enthusiast, this manual will be an invaluable resource. If you can't find the specific manual you're looking for, please contact the customer service team.

The Mercury Mariner 150, 175, and 200 HP EFI 2-Stroke outboard motors were a popular choice amongst boaters seeking powerful and reliable performance. Built between 2004 and 2010, these engines were part of Mercury's commitment to offering innovative and advanced marine technology. These models were known for their impressive power output, making them suitable for a variety of applications, including sport fishing, cruising, and waterskiing. The EFI (Electronic Fuel Injection) system ensured precise fuel delivery and optimal combustion, delivering exceptional fuel efficiency and reduced emissions. Mercury's renowned reliability and durability were also present in these engines, thanks to their robust construction and use of high-quality materials. These Mariner outboard motors incorporated several features designed for user convenience and performance. The SmartCraft digital system provided real-time performance data, including RPM, speed, and fuel consumption, allowing boaters to monitor engine operation and optimize performance. The integrated tilt steering system provided effortless control and precise maneuvering, while the remote control features allowed for convenient operation. The integrated oil tank and automatic oil injection system made maintaining the engine simple and stress-free, allowing boaters to focus on enjoying their time on the water. Despite their impressive features and popularity, these motors have since been superseded by newer models with improved performance and technology, making finding parts and repairs a potentially challenging task. However, with the right resources and knowledge, these powerful and reliable outboards can continue to provide years of boating enjoyment.