Introducing the YP400/YP400T Majesty, a distinguished maxi-scooter produced between 2005 and 2007. Engineered by Yamaha Motor Corporation, this model represents the pinnacle of their luxury maxi-scooter segment, offering a blend of comfort, performance, and reliability. Its 4-stroke, liquid-cooled, 395 cc engine, featuring a SOHC 4-valve configuration and fuel injection, delivers efficient power through an automatic CVT transmission with belt drive. The Majesty series is renowned for its sophisticated design and practical features, making it an ideal choice for both urban commuting and longer journeys. This comprehensive service repair manual provides essential guidance for the maintenance and repair of your YP400/YP400T Majesty. Covering everything from routine maintenance and periodic checks to complete engine and chassis overhauls, this 387-page manual is designed for do-it-yourselfers and experienced mechanics alike. It includes detailed procedures for all major components, in-depth troubleshooting with diagnostic codes, extensive electrical system coverage with wiring diagrams, and specific torque specifications. With hundreds of photos, detailed illustrations, and exploded diagrams, this searchable and printable document serves as an indispensable resource for ensuring the optimal performance and longevity of your vehicle.