Target Audience:
DIY motorcycle enthusiasts, independent repair shops, and Yamaha Majesty YP250 owners.
Value Proposition:
Provides professional-level repair information at a fraction of the cost of dealership services, empowering owners to maintain and repair their scooter.
Ease Of Use:
Step-by-step instructions and clear visuals make complex repairs accessible to novice mechanics.
Comprehensiveness:
Covers all aspects of the vehicle's operation and maintenance.
Diagnostic Support:
Crucial for troubleshooting and identifying the root cause of issues.
Engine System:
Complete engine disassembly, assembly, inspection, and repair for the 250cc liquid-cooled 4-stroke engine.
Fuel System:
Carburetor (or Fuel Injection if applicable, though 2000 model likely carburetor), fuel pump, fuel lines, fuel tank maintenance and repair.
Ignition System:
CDI unit, ignition coil, spark plug, wiring and troubleshooting.
Cooling System:
Radiator, cooling fan, coolant hoses, thermostat, water pump, and coolant specifications.
Transmission System:
Automatic CVT (Continuously Variable Transmission) system, including variator, clutch, drive and driven pulleys, drive belt inspection and replacement.
Chassis System:
Frame inspection, fork and shock absorber servicing, swingarm maintenance, and wheel bearing service.
Brake System:
Front and rear brake systems (likely disc brakes), caliper service, brake pad replacement, master cylinder maintenance, brake fluid specifications, and bleeding procedures.
Electrical System:
Battery, starter motor, charging system (alternator/stator), lighting system (headlight, taillight, turn signals), horn, and wiring diagrams.
Bodywork And Trim:
Fairing removal and installation, seat, storage compartment, and plastic trim components.
Control Systems:
Throttle control, brake levers, handlebar, and cable adjustments.
Routine Maintenance:
Oil change intervals, oil filter replacement, air filter cleaning/replacement, spark plug service, coolant checks, and tire pressure recommendations.
Troubleshooting:
Diagnostic procedures for common problems, fault codes (if applicable), and step-by-step guides for identifying and resolving issues.
Repair Procedures:
Detailed instructions for component disassembly, repair, and reassembly for all major systems.
Diagnostics:
Methods for diagnosing engine performance, electrical faults, and mechanical issues.
Torque Specifications:
Precise torque values for critical fasteners throughout the motorcycle.
Adjustments:
Instructions for adjusting brakes, throttle cable, idle speed, and other critical settings.
Wiring Diagrams:
Complete and detailed electrical wiring diagrams for easy troubleshooting.
Depth Of Coverage:
Comprehensive, covering everything from basic maintenance to full engine rebuilds and electrical system diagnostics.
Diagnostic Charts:
Includes specific diagnostic flowcharts for common problems.
Diagrams And Illustrations:
Abundant, high-quality diagrams, exploded views, and photographs to guide the user.
Engine Type:
Liquid-cooled, four-stroke, SOHC, 4-valve
Displacement:
249cc (250cc class)
Bore X Stroke:
Typical for this engine would be around 70mm x 64.5mm, but specific figures are in the manual.
Compression Ratio:
Likely in the range of 10.0:1 to 11.5:1
Horsepower:
Estimated 20-23 HP at approximately 7,500 RPM
Torque:
Estimated 22-25 Nm at approximately 6,000 RPM
Fuel Delivery:
Mikuni or Keihin Carburetor (likely CV type) - specific model detailed in manual.
Fuel Type:
Unleaded gasoline, minimum octane rating 87 (RON+MON)/2 (JIS)
Fuel Tank Capacity:
Approximately 10-12 liters
Engine Oil Change:
Every 4,000-6,000 km or 6 months, whichever comes first (refer to manual for exact specification).
Air Filter Service:
Inspect every 4,000 km, clean or replace as needed.
Spark Plug Replacement:
Replace every 10,000-12,000 km (refer to manual for correct spark plug type, e.g., NGK CR9E or similar).
Cvt Belt Inspection:
Inspect periodically, replace based on wear and mileage (typically 20,000-30,000 km).
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher (refer to manual for exact specification).
Engine Oil Capacity:
Approximately 1.7 - 1.9 liters (with filter change).
Coolant Type:
Permanent type anti-freeze coolant (ethylene glycol based), typically a 50/50 mixture with distilled water.
Common Wear Items:
Drive belt wear, variator roller wear, suspension bushings, brake pads, and occasional carburetor issues if not maintained.
Electrical Connections:
Corrosion in electrical connectors can sometimes lead to intermittent faults, particularly in humid environments.
Yamaha Motorcycle Division:
Yamaha Motor Company is a renowned Japanese manufacturer with a long history of producing high-quality motorcycles, scooters, and engines since its founding in 1955.
Majesty Lineage:
The Majesty line, particularly the YP250, has been a popular model in the maxi-scooter segment, known for its comfort, practicality, and performance.
Manufacturing Origin:
Primarily manufactured in Japan by Yamaha.
