The Yamaha YP400 Majesty is a premium maxi-scooter renowned for its blend of comfort, performance, and practicality. Produced between 2005 and 2007, this model offers a robust 395 cc liquid-cooled engine, a smooth automatic CVT transmission with belt drive, and a comfortable riding experience suitable for both commuting and longer journeys. Its engineering quality is evident in its reliable four-stroke, SOHC, 4-valve engine, featuring fuel injection for efficient power delivery and TCI ignition. The scooter is equipped with dual hydraulic disc brakes at the front and a hydraulic disc brake at the rear for strong stopping power, with ABS available on select models. This comprehensive workshop repair manual provides in-depth service and repair information for the Yamaha YP400 Majesty across all engine and trim levels for the 2005-2007 model years. It covers all essential systems, including the engine, transmission, fuel system, ignition, cooling, electrical, suspension, brakes, and chassis. The manual offers detailed procedures for routine maintenance, servicing, disassembly, reassembly, adjustments, and troubleshooting, accompanied by wiring diagrams. This resource is designed to empower owners and professional technicians alike, enabling them to effectively maintain and repair their vehicle, ensuring optimal performance and longevity.