This Factory Service Manual provides comprehensive information for the Yamaha F250TXR outboard motor, manufactured from June 2011 to the present, with Product Identification (PID) numbers ranging from 6P2-1035795 onwards. This V6 engine boasts a 4169cc (3.3L) displacement, delivering 250 horsepower at 5500 RPM, and features Electronic Fuel Injection (EFI) for optimal performance. Its robust engineering and reliable design are intended for demanding marine applications, offering a powerful and efficient propulsion solution. The mechanical control system and a 1.86:1 gear ratio further enhance its operational capabilities, making it a dependable choice for various watercraft. The purpose of this manual is to serve as an authoritative guide for maintaining and repairing the Yamaha F250TXR. It covers essential maintenance procedures, including recommended oil types like Yamalube 4M (10W-30) and gearcase oil capacity, along with detailed troubleshooting steps. Technical specifications, such as engine configuration, cooling system details, and recommended propeller pitch ranges, are thoroughly documented. This manual is designed to assist owners, mechanics, and technicians in ensuring the longevity, performance, and safety of their Yamaha outboard motor through accurate and step-by-step instructions, often accompanied by clear exploded diagrams.