2005-2007 Yamaha Majesty YP400 Service Manual

Complete Yamaha Majesty YP400 (2005-2007) service manual for detailed repair, including diagnostic procedures and component replacement. LIT-11626-20-31

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Yamaha Models Covered & Key Technical Specifications

Models: Yamaha Majesty YP400
Sub-models / Variants: YP400W
Build Years: 2005–2007
Serial Numbers: 5RU
Technical Data:

  • Engine type: Liquid cooled 4-stroke, DOHC
  • Displacement: 395.0 cm3
  • Bore × stroke: 83.0 × 73.0 mm
  • Compression ratio: 10.60:1
  • Transmission: V-belt automatic
  • Final drive ratio: 42/16 (2.625)
  • Fuel tank capacity: 14.0 L (3.70 US gal)
  • Front brake: Single disc brake
  • Rear brake: Single disc brake
  • Front tire: 120/80-14M/C 58S
  • Rear tire: 150/70-13M/C 64S
  • Engine oil capacity (with filter): 1.70 L
Technical Specifications
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Document Number / Seller:
31596 / David Phillips
File Size:
17.25 MB
File Type:
ZIP
Language:
English
Pages:
490
Printable:
Yes
Category:
Bike
Last updated / verified
Jan 6, 2026

Yamaha Manual Features & Content Preview

Technical Scope and Specifications for the 2005–2007 Yamaha Majesty YP400

  • Covers 2005–2007 Yamaha Majesty YP400, including the YP400W variant equipped with a 395cc liquid-cooled engine
  • Official Yamaha publication P/N LIT-11626-20-31, first edition dated April 2006
  • Contains 80 technical illustrations, exploded-view diagrams, and maintenance charts
  • Delivered as a direct download the moment payment clears
  • Indexed PDF search covers every chapter and appendix
  • Stored against your account so you can retrieve it after a hard-drive loss
  • This 1st edition is the reference used for the 2005–2007 Majesty YP400 build, documenting engine, chassis, and electrical specifications

Operational and Maintenance Coverage

This factory publication provides extensive detail on the routine maintenance and mechanical operation of the 2005–2007 Yamaha Majesty YP400. The documentation describes inspection criteria for the emission control system, air filter components, final transmission oil, and brake assemblies. Further chapters detail the operation of electronic instrumentation, including the multi-function display, tachometer, and self-diagnosis device codes used on the YP400W.

The manual offers technical insight into disassembly and inspection of major assemblies. Topics addressed include the removal of various cowlings and panels, spark plug inspection, steering bearing adjustments, and fork maintenance. Every what an OEM service publication covers is detailed with recommended fluids, lubricants, and torque specifications for essential maintenance tasks.

Data and Reference Highlights

The 2005–2007 Yamaha Majesty YP400 specifications section documents critical engine clearances, fluid capacities, and chassis data. Valve clearance for the intake is listed at 0.11–0.20 mm in the cylinder head specification table. The cooling system capacity for the 2005–2007 Yamaha Majesty YP400 is documented at 1.57 liters. The final transmission oil quantity is specified at 0.25 liters in the lubrication data table. This official 490-page Yamaha OEM owner’s manual covers the 2005–2007 Majesty YP400, documenting engine, chassis, electrical, and fuel-injection specifications for the 5RU-series model production run.

Manual FAQ, Purchase & Download Details

What chapters are included in this manual regarding the YP400W engine and maintenance? keyboard_arrow_down

Document contains detailed chapters covering engine oil and filter elements, final transmission oil, cooling systems, and periodic maintenance charts. These sections are intended to provide comprehensive information on the inspection and care of your scooter.

Is the tire pressure specification information available in this service manual? keyboard_arrow_down

Specification tables included in the document list recommended pressure values for both front and rear tires based on load conditions.

Are wiring diagrams, battery locations, and electrical component references included in the manual for the 2005-2007 Majesty model? keyboard_arrow_down

Manual features dedicated sections that list electrical component locations such as the battery, fuse boxes, and various light bulbs. It also provides diagrams for emission hose routing and information on the ignition circuit cut-off system.

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