This manual covers the Mercury 150/175/200 2-Stroke EFI outboard motors manufactured between 2002 and 2004. These robust V6 engines, featuring a 2.5L displacement and Electronic Fuel Injection (EFI), were engineered for reliable performance across a range of power outputs, from 150 to 200 horsepower. Designed for demanding marine applications, these motors are known for their power delivery and efficiency, making them a popular choice for various watercraft. This comprehensive Service Repair Workshop Manual provides essential information for maintaining and repairing your Mercury outboard motor. It details critical maintenance procedures, troubleshooting guides, technical specifications, and safety precautions. By following the instructions within this manual, owners, mechanics, and technicians can ensure the longevity and optimal performance of their 150/175/200 2-Stroke EFI engines.