Target Audience:
Urban commuters, touring riders seeking comfort and practicality
Key Competitors:
Suzuki Burgman 400, Honda Forza 300/350 (though slightly different displacement), Piaggio Beverly 400
Usp Vehicle:
Comfortable ride, spacious under-seat storage, powerful 400cc engine, ABS safety feature, Yamaha reliability
Usp Manual:
OEM-sourced, comprehensive coverage, detailed visuals for DIY repairs and professional servicing
Engine:
Complete overhaul, tuning, diagnostics, lubrication, cooling, fuel injection, ignition
Transmission:
Automatic CVT (Continuously Variable Transmission) maintenance and repair, clutch, drive belt
Chassis:
Frame inspection and repair, suspension (front forks, rear shock), steering system
Brakes:
Hydraulic ABS system, front and rear brake calipers, master cylinders, brake lines, disc and pad replacement
Electrical:
Complete wiring diagrams, starter system, charging system (stator, regulator/rectifier), battery, lighting, instrumentation, ignition system
Fuel System:
Fuel tank, fuel pump, fuel filter, injectors, fuel pressure regulator
Bodywork:
Panel removal and installation, fairings, seat, storage compartment
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, brake fluid flush, coolant checks, drive belt inspection/replacement
Troubleshooting:
Diagnostic codes, symptom-based troubleshooting for engine, electrical, and mechanical issues
Disassembly Assembly:
Step-by-step procedures for component removal and reinstallation
Calibration Adjustment:
Throttle cable adjustment, idle speed setting (if applicable)
Torque Specifications:
Detailed torque values for all critical fasteners
Depth Level:
Comprehensive (from basic maintenance to full engine rebuild)
Visuals:
Hundreds of images, diagrams, and electrical schematics
Engine Type:
Liquid-cooled, 4-stroke, SOHC, 4-valve
Bore X Stroke:
Unknown (Specific to manual, but typically around 83mm x 73mm for this engine)
Compression Ratio:
Unknown (Specific to manual, but typically around 10.0:1)
Horsepower:
Approx. 28-30 PS (at crank)
Torque:
Approx. 30-33 Nm (at crank)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Ignition System:
TCI (Transistor Controlled Ignition)
Oil Type:
Yamalube SAE 10W-40 (or equivalent API SG or higher, JASO MA)
Oil Capacity:
Approx. 1.7 L (with filter change)
Coolant Type:
Yamaha Antifreeze Coolant (or equivalent ethylene glycol-based, 50/50 mix with distilled water)
Coolant Capacity:
Approx. 1.2 L
Transmission Type:
Automatic CVT (V-belt type)
Drive Mechanism:
Belt drive to rear wheel
Clutch Type:
Automatic centrifugal clutch
Drive Belt Inspection Interval:
Every 10,000 km or 2 years
Drive Belt Replacement Interval:
Typically 20,000-30,000 km (refer to manual for exact)
ABS System:
Standard Anti-lock Braking System (ABS) for enhanced safety
Braking System Front:
Dual disc brakes with multi-piston calipers
Braking System Rear:
Single disc brake with single-piston caliper
Lighting:
Halogen headlight, LED taillight
Instrument Cluster:
Analog speedometer, digital tachometer, fuel gauge, clock, odometer, trip meter, indicator lights
ABS System:
Standard Anti-lock Braking System (ABS)
Charging Port:
12V accessory socket for charging devices
First Service:
1000 km or 1 month
Subsequent Service Interval:
Every 5,000 km or 6 months (refer to manual for precise schedule)
Engine Oil Change Interval:
Every 5,000 km or 6 months
Air Filter Inspection Interval:
Every 5,000 km
Spark Plug Replacement Interval:
Every 10,000-15,000 km (refer to manual for specific plug type and gap)
Brake Fluid Type:
DOT 4 (refer to manual for specific Yamaha recommendation)
Transmission Fluid:
Not applicable (CVT system uses drive belt, final drive may have separate oil, refer to manual)
Common Wear Items:
Drive belt, brake pads, tires, suspension bushings (typical for any scooter of this age/mileage)
Potential Issues To Monitor:
Water ingress in connectors (common for scooters exposed to weather), slight engine vibration at certain RPMs (inherent characteristic or may indicate drive train wear)
Manufacturer Legacy:
Yamaha Motor Company is renowned for its high-quality motorcycles, musical instruments, and other powered products.
Majesty Lineage:
The Majesty line has a history of producing comfortable and capable maxi-scooters, with the 400cc model representing a significant step up in performance and touring capability.
Manufacturing Location:
Primarily Japan and other Yamaha global production facilities
