Vehicle Segment:
Maxi-scooter, commuting, touring
Competitors Class:
Similar displacement maxi-scooters from brands like Suzuki (Burgman 400), Kymco (Xciting 400), Honda (Forza 300/350).
Vehicle Attributes:
Comfortable ride, ample under-seat storage, smooth power delivery, weather protection, suitable for longer distances compared to smaller scooters.
Target Audience:
DIY enthusiasts, independent repair shops, owners seeking to maintain or repair their Yamaha YP400X Majesty.
Vehicle Years Covered:
2008, 2009, 2010, 2011, 2012
Engine Variants Covered:
400cc
Estimated Page Count:
Hundreds of pages (specific count not provided but described as 'very detailed')
Manual Type:
Factory Service Repair Workshop Manual
Accessibility:
Instant download, usable on computer, tablet, smartphone
Usage License:
Lifetime use, no expiry, no renewal fees, usable on multiple devices
Engine System:
Complete engine overhaul, disassembly, assembly, tuning, lubrication, cooling system, fuel injection, ignition system
Transmission System:
Automatic CVT (Continuously Variable Transmission) service, belt inspection/replacement, clutch operation, gear oil
Chassis And Frame:
Frame inspection, suspension components (front fork, rear shock), steering system, swingarm service
Braking System:
Hydraulic disc brakes (front and rear), brake caliper service, master cylinder, brake fluid replacement, bleeding procedures
Electrical System:
Wiring diagrams, battery service, charging system (stator, regulator/rectifier), lighting system, ignition switch, starter motor, fuses, relays
Fuel System:
Fuel tank, fuel pump, fuel filter, throttle body, electronic fuel injection (EFI) diagnostics
Cooling System:
Radiator, coolant, water pump, thermostat, cooling fan operation
Exhaust System:
Muffler, exhaust pipe, lambda sensor (if applicable)
Bodywork And Trim:
Fairing removal and installation, seat, storage compartments, lighting covers, body panel repair
Maintenance:
Oil changes, filter replacements, spark plug servicing, air filter cleaning/replacement, drive belt inspection/replacement, coolant flush, brake fluid replacement, lubrication points
Troubleshooting:
Diagnostic procedures for engine performance, starting issues, electrical faults, braking problems, common malfunctions and their remedies
Repair:
Step-by-step instructions for disassembly, repair, and reassembly of all major components and systems
Installation:
Instructions for installing new parts or accessories
Torque Specifications:
Essential torque values for all critical fasteners
Depth Of Coverage:
Comprehensive, covering all repairs, servicing, and troubleshooting from basic maintenance to advanced diagnostics and rebuilds.
Visual Aids:
Hundreds of detailed photos and diagrams, exploded views for component identification and assembly
Engine Type:
Liquid-cooled, four-stroke, SOHC, 4-valve
Bore X Stroke:
83.0 mm x 73.0 mm
Compression Ratio:
10.2:1
Horsepower Approx:
~23-25 HP @ 6,000 RPM (Varies slightly by market/year)
Torque Approx:
~32 Nm @ 5,500 RPM (Varies slightly by market/year)
Fuel Delivery:
Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Oil Type Recommendation:
Yamalube 4 (or equivalent) SAE 10W-40, API SG or higher
Oil Capacity With Filter:
Approx. 2.0 liters (refer to manual for exact fill)
Coolant Type Recommendation:
Yamaha's blue coolant (or equivalent 50/50 mixture of ethylene glycol and distilled water)
Dashboard Display:
Analog speedometer, digital tachometer, fuel gauge, clock, odometer, trip meters, indicator lights (check engine, oil, battery, etc.)
ABS:
Optional ABS (Anti-lock Braking System) on certain model variants.
Charging Port:
12V accessory power socket for charging devices (location may vary, often in glove box or under seat).
Engine Oil Change:
Every 5,000 km (3,000 miles) or 6 months
Oil Filter Replacement:
With every oil change
Air Filter Cleaning:
Every 5,000 km (3,000 miles)
Spark Plug Replacement:
Every 10,000 km (6,000 miles)
Drive Belt Inspection:
Every 10,000 km (6,000 miles), replacement recommended around 20,000 km (12,000 miles) or per manual inspection
Coolant Replacement:
Every 2 years
Brake Fluid Replacement:
Every 2 years
Engine Oil Grade:
SAE 10W-40 API SG or higher
Coolant Spec:
50/50 mixture of ethylene glycol and distilled water
Common Wear Items:
Drive belt, brake pads, tires, suspension bushings, starter motor brushes.
Potential Faults:
While generally reliable, some units may experience occasional issues with the voltage regulator/rectifier or fuel pump over extended use. Proper maintenance is key.
