Target User:
DIY mechanics, scooter enthusiasts, owners seeking to perform their own maintenance and repairs.
Value Proposition:
Significant cost savings on professional servicing and repairs.
Ease Of Use:
Designed for users with no special technical know-how, with easy-to-follow instructions.
Accessibility:
Instant delivery via email download link, accessible on PC and MAC.
Engine Systems:
Engine assembly, disassembly, tuning, lubrication, cooling, fuel delivery, ignition.
Transmission Drivetrain:
CVT (Continuously Variable Transmission) inspection, maintenance, repair; final drive.
Chassis Suspension:
Front fork, rear shock absorber, swingarm, steering system, wheel hub.
Braking System:
Hydraulic disc brakes (front and rear), brake fluid, calipers, master cylinders, lines.
Electrical System:
Ignition system, starting system, lighting, charging system (stator, regulator/rectifier), battery, wiring diagrams.
Fuel System:
Carburetor (likely Mikuni BS26 or similar for the era), fuel pump, fuel lines, fuel filter.
Bodywork Frame:
Fairings, seat, storage compartments, frame inspection, mounting points.
Maintenance Procedures:
Routine service, oil changes, filter replacements, spark plug checks, valve clearance adjustment, belt replacement, tire pressure checks, lubrication points.
Diagnostic Procedures:
Troubleshooting guides for common symptoms, electrical diagnostics, engine performance issues, fuel system problems.
Repair Procedures:
Step-by-step instructions for disassembly, cleaning, inspection, repair, and reassembly of all major components.
Rebuild Procedures:
Comprehensive guidance for engine rebuilds, carburetor overhaul, transmission servicing.
Depth Of Information:
Professional technician level, covering everything from basic maintenance to complex overhauls.
Diagrams Illustrations:
Highly detailed, printable diagrams and illustrations for clarity.
Searchability:
Assumed searchable text content within the PDF.
Printability:
Printable pages as needed, allowing for clean, tear-free operation.
Binding Type:
Digital download (no physical binding).
Paper Type:
N/A (Digital format, user prints on their preferred paper).
Engine Type:
4-stroke, Liquid-cooled, SOHC, 2-valve
Displacement:
249 cc (approximate, based on typical YP250 models)
Bore X Stroke:
Refer to manual for exact specifications (typical for this class: ~69 mm x 67 mm).
Compression Ratio:
Refer to manual for exact specifications (typical: ~10.0:1).
Horsepower:
Refer to manual for exact specifications (typically in the 18-22 HP range for this displacement and era).
Torque:
Refer to manual for exact specifications (typically in the 15-18 lb-ft range).
Fuel Delivery:
Carburetor (likely Mikuni BS26 or similar), potentially with Throttle Position Sensor (TPS).
Fuel Type:
Unleaded gasoline
Oil Type:
Refer to manual for specific viscosity grade (e.g., SAE 10W-40 or 20W-50) and API classification (e.g., SG or higher).
Oil Capacity:
Refer to manual for exact capacity (typically around 1.5 - 2.0 liters).
Length:
Refer to manual for exact dimensions (typical for this class: ~2100-2200 mm).
Width:
Refer to manual for exact dimensions (typical: ~750-800 mm).
Height:
Refer to manual for exact dimensions (typical: ~1350-1450 mm seat height).
Dry Weight:
Refer to manual for exact weight (typically around 160-175 kg).
Fuel Capacity:
Refer to manual for exact capacity (typically around 10-12 liters).
Crash Test Results:
N/A (Motorcycle/Scooter safety ratings are typically not available in the same format as passenger cars).
Braking System Type:
Hydraulic disc brakes, front and rear.
Parking Brake:
Refer to manual for specific implementation (often a parking lock on the rear brake caliper or a separate mechanism).
Lighting:
Headlight, tail light, brake light, turn signals.
Instrument Cluster:
Analog speedometer, tachometer, fuel gauge, odometer, trip meter, warning lights.
ABS:
Not typically available on this model year and variant.
Bluetooth Usb:
N/A (Technology of this era did not include these features).
Engine Oil Change:
Refer to manual for specific interval (typically every 3,000-5,000 km or annually).
Air Filter Cleaning Replacement:
Refer to manual for interval (check every 5,000 km, clean/replace as needed).
Spark Plug Inspection Replacement:
Refer to manual for interval (typically inspect every 10,000 km, replace as needed).
Cv Belt Inspection Replacement:
Refer to manual for interval (inspect every 10,000 km, replace typically between 20,000-30,000 km).
Valve Clearance Adjustment:
Refer to manual for interval (typically every 20,000-30,000 km).
Engine Oil Specification:
Yamalube or equivalent API SG (or higher) SAE 10W-40 or 20W-50.
Brake Fluid Specification:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Wear Items:
CVT belt, roller weights, drive clutch components, brake pads, suspension bushings.
Potential Electrical Issues:
Aging wiring harnesses, regulator/rectifier failure (common in many scooters of this era).
Yamaha Motorcycles:
Yamaha Motor Company is a long-standing Japanese manufacturer renowned for its high-quality motorcycles, musical instruments, and power products.
Majesty Lineage:
The Majesty series is Yamaha's line of maxi-scooters, known for their comfort, performance, and practicality for commuting and touring. The YP250 was an early and successful iteration.
Manufacturing Origin:
Likely manufactured in Japan or Thailand, depending on specific market rollout.