Segment:
Premium Sport Scooter segment, known for comfort, performance, and practicality for urban commuting and light touring.
Key Competitors:
Honda PCX125, Kymco Downtown 125i, Piaggio Beverly 125, Aprilia Scarabeo 125.
Design:
Maxi-scooter styling with aerodynamic fairings, comfortable seating position, large under-seat storage, and premium fit and finish.
Purpose:
Designed for riders seeking a comfortable and capable scooter for both city commuting and longer journeys, offering stability and weather protection.
General Coverage:
Comprehensive service and repair for the entire Yamaha YP125 Majesty (2005-2012).
Specific Systems Covered:
Engine, Fuel System, Ignition System, Starting System, Lubrication System, Cooling System, Transmission, Drive System, Chassis, Suspension, Steering, Brakes, Electrical System, Lighting, Bodywork, Troubleshooting.
Estimated Page Count:
High (Specific number not provided, but described as extensive).
Type:
Factory Service Repair Workshop Manual
Language:
English (Implied by product description and target market).
Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly of the engine components, including cylinder, piston, crankshaft, camshaft, valves, and timing.
Fuel System:
Carburetor (or Fuel Injection if applicable for the model year) operation, adjustment, cleaning, and repair; fuel pump, fuel filter, fuel tank maintenance.
Ignition System:
Spark plug inspection and replacement, ignition coil, CDI unit, timing checks, and troubleshooting.
Cooling System:
Coolant type and specifications, radiator, water pump, thermostat, hoses, and bleeding procedures.
Transmission And Drive:
Automatic transmission (CVT - Continuously Variable Transmission) operation, variator assembly, drive belt inspection and replacement, clutch operation, final drive maintenance.
Brakes:
Front and rear brake system service, including disc brake pad replacement, caliper inspection, brake fluid type and bleeding procedures, parking brake adjustment.
Suspension And Steering:
Front fork (telescopic) service, rear shock absorber inspection and replacement, steering system components, bearings, and adjustment.
Electrical System:
Wiring diagrams, battery maintenance, charging system (stator, rectifier/regulator), starter motor, lighting (headlight, taillight, turn signals), instrumentation, fuses, and relays.
Bodywork And Frame:
Panel removal and installation, seat, fairings, storage compartment, and general chassis inspection.
Routine Maintenance:
Oil changes, filter replacements (oil, air), spark plug checks, tire pressure, chain/belt adjustment (if applicable), coolant checks, brake fluid checks.
Troubleshooting:
Diagnostic procedures for common and uncommon problems, fault codes (if applicable), symptom-based troubleshooting guides.
Component Replacement:
Step-by-step guides for replacing major components like engine parts, transmission elements, brake pads, suspension parts, and electrical components.
Disassembly And Reassembly:
Detailed instructions for taking apart and putting back together various sub-assemblies and the entire vehicle.
Adjustments:
Carburetor synchronization, throttle cable adjustment, brake lever adjustments, steering alignment.
Depth:
Expert (Covers everything from routine maintenance to complete engine and transmission overhauls, including detailed technical specifications and torque values).
Type:
Liquid-cooled, 4-stroke, SOHC, 2-valve single cylinder.
Bore X Stroke:
52.0 mm x 58.0 mm (typical for this generation YP125).
Compression Ratio:
11.2:1 (typical).
Horsepower:
Approximately 12-14 HP (at crank, actual varies by market and specific tune).
Torque:
Approximately 10-12 Nm (at crank, actual varies).
Type:
Carburetor (Keihin CV type, likely 30mm or similar) for most models in this range, though some later models or specific markets may have received fuel injection.
Fuel Type:
Unleaded gasoline, minimum 87 octane.
Type:
Forced lubrication, wet sump.
Length:
Approx. 2150-2200 mm (typical for Majesty models).
Width:
Approx. 750-800 mm (typical).
Height:
Approx. 1380-1420 mm (typical).
Wheelbase:
Approx. 1540-1560 mm (typical).
Dry Weight:
Approx. 150-160 kg (actual varies by specific sub-model and equipment).
Wet Weight:
Approx. 160-170 kg (actual varies).
Underseat Storage:
Generous capacity, often capable of storing two helmets.
Engine Oil Change:
Every 4,000-6,000 km or annually, whichever comes first (refer to manual for precise intervals).
Oil Filter Replacement:
Typically recommended with every oil change or every second oil change.
Air Filter Cleaning Replacement:
Inspect every 4,000 km, clean or replace as needed. Replacement interval typically 12,000-16,000 km.
Spark Plug Check Replacement:
Inspect every 8,000 km, replace as needed or at recommended intervals (e.g., 16,000 km).
Cvt Drive Belt Inspection:
Inspect every 12,000-16,000 km for wear and damage. Replacement interval typically 20,000-30,000 km, depending on usage.
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher, JASO MA certified.
Engine Oil Capacity:
Approx. 1.3 - 1.5 liters (with filter change, consult manual).
Coolant Type:
Permanent antifreeze (ethylene glycol based) mixed with distilled water, 50/50 ratio.
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Common Wear Items:
CVT drive belt, brake pads, tires, suspension bushings, and bearings due to mileage and normal wear.
Potential Electrical:
Occasional issues with voltage regulators or stator windings on higher mileage units, though generally reliable.
Carburetor Issues:
If carbureted, potential for clogging or needing adjustment over time due to fuel quality variations or infrequent use.
Manufacturer:
Yamaha Motor Corporation, a Japanese manufacturer renowned for motorcycles, marine products, and musical instruments.
Majesty Lineage:
The Majesty series has a long history of producing comfortable, maxi-style scooters, with the YP125 being a popular mid-displacement offering focused on user-friendliness and comfort.
Manufacturing Location:
Primarily manufactured in Japan, with potential assembly in other regions depending on the market.