2004 Yamaha YP400T Majesty 400 Service Manual

2004 Yamaha YP400T Majesty 400 Documentation Preview

• Covers 2004 Yamaha YP400T Majesty 400 maxi scooter, including 5RU4 and 5RUC variants
• Official Yamaha publication P/N LIT-11616-18-38, first edition June 2004
• Contains 387 pages of technical information including cooling system diagrams, cable routing, and maintenance charts
• Accessible from your device as soon as the order is placed
• Suitable for printing individual sections for shop-floor use
• Full-text search finds any part number in seconds
• This 2004 first edition serves as the original reference for the YP400T fuel-injected maxi scooter platform

Manual Organization and Scope

This 387-page service publication provides detailed procedures for the maintenance and repair of the 2004 Yamaha YP400T Majesty 400. Organized into nine distinct chapters, it encompasses the complete vehicle from engine and transmission to the fuel injection and cooling systems. The content includes specifications for routine maintenance, periodic checks, and complex mechanical assemblies, utilizing what an OEM service publication covers to aid owners and technicians in equipment upkeep.

Following the general information and specifications, the text progresses through periodic maintenance charts for emissions and lubrication. Specific sections document the chassis, including front and rear brake disc maintenance, front fork assembly, and steering head inspection. Engine documentation covers timing chain adjustments, valve clearance measurements using the included tolerance charts, and oil pump inspection, all formatted with explicit technical values for standardized service.

Technical Specification Preview

Technical data is presented throughout the document, featuring torque values, fluid capacities, and electrical reference thresholds. The engine assembly data lists cylinder head bolt torque at 52 Nm (5.2 m·kg, 37 ft·lb) for cap nuts. Cooling system capacity is documented at 1.57 liters. The ignition system timing is specified at 5° BTDC at 1,400 r/min. Intake valve clearance is listed at 0.15–0.20 mm in the cylinder head specification table. Exhaust valve clearance is documented at 0.25–0.30 mm in the valve clearance specification section. Stator coil resistance is specified at 0.184–0.276 ohms for the white–white wire configuration.

All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This official 387-page Yamaha OEM workshop manual covers the 2004 YP400T Majesty 400, documenting engine, chassis, electrical, and fuel-injection specifications for the 5RU-series build.