This workshop service repair manual covers Yamaha SX150C, VX150C, DX150C, and SX200C models. These engines are engineered for reliable performance, featuring fuel injection and CDI ignition systems for efficient operation. The 150 HP variants and 200 HP variants are designed to meet a range of power needs, with water-cooled systems ensuring optimal operating temperatures under demanding conditions. This comprehensive manual provides detailed information essential for the maintenance and repair of your Yamaha outboard engines. It includes sections on general information, technical specifications, fuel system, power unit, lower unit, bracket unit, and the electrical system, all supported by high-quality diagrams. Regular maintenance, troubleshooting, and adjustments are thoroughly explained, empowering owners and technicians to keep these engines in peak condition.