Primary Coverage:
Complete service and repair for Yamaha YP250 Majesty scooters from 1997 to 2004.
Scope:
Entire vehicle from front to back, all systems and components.
Estimated Page Count:
Variable, typically 300-600+ pages for a comprehensive factory service manual.
Type:
Service Repair Workshop Manual
Purpose:
Guidance for repair, maintenance, and servicing.
Language:
English (implied by product description and common industry practice)
Format:
PDF (Portable Document Format)
Engine Mechanical:
Engine disassembly, assembly, inspection, troubleshooting, tuning, specific component repair (cylinder head, pistons, crankshaft, valves, etc.).
Fuel System:
Carburetor service and adjustment, fuel pump, fuel lines, fuel tank.
Ignition System:
Ignition coil, spark plug, CDI unit, timing, troubleshooting.
Cooling System:
Radiator, coolant, water pump, thermostat, hoses.
Lubrication System:
Oil pump, oil filter, oil passages, oil recommendations.
Exhaust System:
Muffler, exhaust pipes, heat shields.
Transmission Drive:
CVT (Continuously Variable Transmission) service, variator, clutch, belt replacement, gear reduction.
Frame And Bodywork:
Frame inspection, body panel removal and installation, fairings, seat, storage compartment.
Suspension:
Front fork service and overhaul, rear shock absorber replacement, adjustments.
Brakes:
Front and rear brake systems (likely disc brakes), hydraulic lines, brake pads, brake fluid, master cylinders, calipers, bleeding procedures.
Wheels And Tires:
Tire inspection and replacement, wheel bearing service, wheel mounting.
Steering System:
Handlebar, steering stem bearings, troubleshooting.
Electrical System:
Battery, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting system (headlights, taillights, signals), horn, wiring diagrams, troubleshooting electrical faults.
Instrumentation:
Speedometer, tachometer, fuel gauge, indicator lights.
Scheduled Maintenance:
Oil changes, filter replacements, spark plug checks, brake fluid flush, drive belt inspection, valve clearance checks.
Troubleshooting:
Diagnostic procedures for common and uncommon issues across all systems.
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation.
Disassembly Assembly:
Detailed guidance for complete engine, transmission, and chassis teardowns.
Adjustments:
Carburetor adjustments, brake lever adjustments, cable adjustments.
Diagnostic Procedures:
Methods for identifying the root cause of problems.
Depth:
Comprehensive, from basic maintenance to advanced engine and electrical diagnostics and rebuilds. Factory-level detail.
Diagrams:
Highly detailed exploded pictures and diagrams for clear visual guidance.
Precision:
Step-by-step instructions designed for correct and efficient job completion.
Engine Type:
4-stroke, liquid-cooled, SOHC, 2-valve
Displacement:
249cc (approximate, specific to model variant)
Bore X Stroke:
Typically around 70mm x 64.5mm (verify specific model variant)
Compression Ratio:
Typically around 10.0:1 to 10.5:1 (verify specific model variant)
Horsepower:
Approximately 20-22 HP (verify specific model variant)
Torque:
Approximately 19-21 Nm (verify specific model variant)
Carburetion:
Mikuni BSR32 or similar (verify specific model variant)
Fuel Capacity:
Approximately 12 liters (verify specific model variant)
Fuel Type:
Unleaded gasoline
Oil Type:
Yamaha recommends Yamalube 4, 10W-40 or 20W-40 API SG or higher (verify specific model variant for exact spec).
Oil Capacity:
Approximately 1.5 - 1.8 liters with filter change (verify specific model variant).
Engine Oil Change:
Every 3,000-5,000 km or 6-12 months (verify specific recommendation in manual).
Air Filter Check:
Every 2,000-4,000 km (clean/replace as needed).
Spark Plug Check:
Every 5,000-10,000 km (inspect/replace as needed).
Cvt Belt Inspection:
Every 10,000-15,000 km (inspect for wear and replace as needed).
Brake Fluid Flush:
Every 2 years or 20,000 km (replace as per manual recommendation).
Engine Oil:
Yamalube 4, SAE 10W-40 or 20W-40, API SG or higher (verify specific requirement).
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid (verify specific requirement).
Coolant:
Permanent type antifreeze coolant, 50% mixture with distilled water (verify specific requirement).
Common Wear Items:
CVT drive belt, brake pads, tires, suspension bushings.
Potential Problems:
Carburetor gumming if not run regularly, starter motor wear, occasional electrical connector corrosion.
