The 2008 Majesty YP400X is a sophisticated maxi-scooter designed for comfortable commuting and light touring. It features a powerful 395 cc liquid-cooled engine, a comfortable riding position, and a generous...
The 2008 Majesty YP400X is a sophisticated maxi-scooter designed for comfortable commuting and light touring. It features a powerful 395 cc liquid-cooled engine, a comfortable riding position, and a generous aerodynamic fairing for enhanced wind protection. Notable features include ample under-seat storage, advanced fuel injection for efficient operation, and a reliable drivetrain. This model is engineered to provide a smooth, stable, and practical riding experience, making it a strong contender in the sport touring scooter segment, appealing to riders seeking versatility and comfort.
This manual provides comprehensive guidance for the operation and basic maintenance of your 2008 Majesty YP400X. It covers essential information on engine operation, fuel and cooling systems, electrical components, braking, suspension, and controls. You will find details on routine maintenance procedures, including oil changes, filter care, and fluid checks, as well as basic troubleshooting steps for common issues. The manual is intended to assist owners and technicians in keeping the vehicle in optimal condition and ensuring safe operation.
🏷️ Basic Information
Identification
Make:
Yamaha
Model:
Majesty
Model Code:
YP400X
Year:
2008
Codes
Manual Part Number:
N/A (Assumed for sales purposes, original manual part number not provided)
👋 Introduction
Market Position
Segment:
Maxi-scooter / Sport touring scooter
Target Audience:
Commuters, touring riders, and those seeking comfortable, practical, and efficient urban and light touring transportation.
Pre-ride checks, oil and filter change intervals, air filter maintenance, spark plug replacement, coolant level checks, brake fluid checks, tire pressure monitoring, and battery maintenance.
Troubleshooting:
Basic diagnostic steps for common operational issues, warning light interpretation, and guidance on when to seek professional service.
User Operations:
Proper operation of controls, riding techniques, fuel recommendations, storage procedures, and passenger safety guidelines.
Technical Depth
Depth:
Focuses on owner-level understanding and operation, not detailed repair procedures. Covers 'what to do' rather than 'how to do it' for complex mechanical tasks.
📊 Manual Specifications
File Format
Format:
Printed Booklet
Print Quality
Quality:
Standard OEM print quality, durable paper suitable for workshop environments.
Binding Type
Binding:
Stapled or glued spine, designed for easy page turning.
Paper Type
Paper:
Matte finish, heavyweight paper stock to resist wear and tear.
⚙️ Engine Specifications
Primary Engine
Engine Type:
Four-stroke, SOHC, liquid-cooled, 4-valve
Displacement:
395 cc
Bore X Stroke:
83 mm x 73 mm
Compression Ratio:
11.0:1
Ignition System:
TCI (Transistor Controlled Ignition)
Performance
Horsepower:
Approx. 33.5 HP @ 7,500 RPM (Variations may exist based on market)
Torque:
Approx. 37.3 Nm (27.5 lb-ft) @ 5,500 RPM (Variations may exist based on market)
Fuel System
Fuel Delivery:
Fuel Injection
Fuel Type:
Unleaded gasoline, minimum 87 octane (RON+MON)/87 AKI
1,415 mm (55.7 in) (Adjustable windshield position may affect this)
Wheelbase:
1,565 mm (61.6 in)
Weights
Dry Weight:
210 kg (463 lbs)
Wet Weight:
Approx. 226 kg (498 lbs) (with all fluids)
Cargo
Underseat Storage:
Ample space for two full-face helmets, with interior lighting.
🛡️ Safety Features
Ratings
Crash Test Data:
N/A (Motorcycle/scooter safety ratings are typically not applicable in the same manner as automobiles.)
Active Features
Braking System:
Front: Hydraulic disc brake; Rear: Hydraulic disc brake. Available with optional ABS on some models/markets.
Lighting:
Dual Halogen headlights, LED taillight, front and rear turn signals.
Passive Features
Chassis Design:
Steel tube frame, optimized for stability and rider comfort.
Tires:
Front: 120/70-15; Rear: 160/60-15 (Tubeless)
Parking Brake:
Left handlebar lever operation.
💡 Technology Features
Infotainment
Instrument Cluster:
Analog tachometer, digital speedometer, odometer, trip meter, fuel gauge, coolant temperature gauge, clock, and various warning lights.
Lighting Controls:
Handlebar-mounted controls for lights, turn signals, horn, and hazard lights.
Driver Assistance
ABS Availability:
Optional Anti-lock Braking System (ABS) available on certain configurations of the 2008 YP400X.
Connectivity
Power Outlet:
12V DC power outlet in the front glove box for charging accessories.
🔧 Maintenance
Service Intervals
Engine Oil Change:
Every 4,000 km (2,500 miles) or 6 months, whichever comes first. Check owner's manual for specific oil type and capacity.
Oil Filter Replacement:
Every 12,000 km (7,500 miles) or 12 months, coinciding with every second oil change. (Refer to manual for exact interval).
Air Filter Cleaning:
Every 4,000 km (2,500 miles). Replacement recommended every 16,000 km (10,000 miles) or as needed based on inspection.
Spark Plug Replacement:
Every 12,000 km (7,500 miles). (Recommended plug: NGK CR9E or equivalent).
Fluid Specifications
Engine Oil:
Yamalube 4 (or equivalent) SAE 10W-40 API SG, JASO MA.
Engine Oil Capacity:
1.8 Liters (1.9 US qt) without filter change; 1.9 Liters (2.0 US qt) with filter change.
Coolant:
Yamaha Super Coolant (or equivalent) 50/50 mixture of antifreeze and distilled water.
Brake Fluid:
DOT 4.
Known Issues
Common Wear Items:
Vibration at certain RPMs, potential for variator or clutch wear over high mileage, electrical connections can be a point of failure if not maintained.
Maintenance Tips:
Regularly inspect belt drive for cracks or excessive wear, ensure proper cooling system maintenance to prevent overheating.
📚 Vehicle History
Brand Heritage
Manufacturer:
Yamaha Motor Company is a Japanese manufacturer of motorcycles, marine products, and other motorized products. Founded in 1955, it has a long history of innovation and performance.
Model Evolution
Lineage:
The Majesty line of scooters has a history dating back to the 1980s, evolving with technological advancements and market demands for larger, more comfortable touring scooters.
Yp400X:
The YP400 Majesty represented a significant step in Yamaha's maxi-scooter offerings, blending sporty performance with touring comfort and advanced features for its time.
Production
Manufacturing Location:
Primarily manufactured in Japan, with potential for assembly in other Yamaha facilities globally.
🏆 Awards & Recognition
Recognitions
Industry Acclaim:
The Majesty line is generally well-regarded for its comfort, practicality, and performance within the maxi-scooter segment, often praised for its highway capability and touring potential.
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