Market Segment:
Maxi-scooter, known for comfort, touring capability, and urban mobility.
Target Audience:
Owners of Yamaha Majesty scooters requiring maintenance, repair, and diagnostic information.
Key Competitors Era:
Honda Silver Wing, Suzuki Burgman (during its initial years), Kymco Downtown.
Scooter Design:
Comfortable seating, ample storage, aerodynamic fairings for rider protection.
Engine Type:
Liquid-cooled, four-stroke, single-cylinder engine known for its smoothness and reliability.
Transmission Type:
Automatic Continuously Variable Transmission (CVT) for effortless riding.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures.
Fuel System:
Carburetor (or fuel injection if applicable), fuel pump, fuel tank, fuel lines, and related components.
Ignition System:
CDI unit, ignition coils, spark plug, wiring, and troubleshooting.
Cooling System:
Radiator, coolant, fan, water pump, thermostat, and hoses.
Transmission Clutch:
Automatic transmission (CVT), belt, clutch, variator, and gears.
Brakes:
Front and rear brake systems, hydraulic lines, master cylinders, calipers, pads, discs, and bleeding procedures.
Suspension:
Front fork, rear shock absorber, swingarm, bearings, and seals.
Steering:
Handlebars, steering stem, bearings, and related components.
Electrical System:
Battery, starter motor, alternator, lighting, instrumentation, wiring diagrams, fuses, and relays.
Frame Chassis:
Frame inspection, alignment, and related structural components.
Bodywork Fairings:
Removal, installation, and repair of fairings, seat, panels, and trim.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain/belt adjustment, brake fluid replacement, coolant checks.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common problems across all systems.
Engine Repair:
Top-end rebuilds (cylinder, piston, valves), bottom-end repairs, gasket replacement, and timing adjustments.
Transmission Repair:
CVT belt replacement, clutch assembly servicing, variator maintenance.
Brake System Repair:
Brake pad replacement, caliper service, hose replacement, bleeding.
Electrical Diagnostics:
Wiring harness checks, component testing (starter, alternator), lighting troubleshooting.
Suspension Overhaul:
Fork seal replacement, shock absorber servicing, bearing replacement.
Carburetor Service:
Cleaning, adjustment, and rebuild of the carburetor.
Diagnostic Charts:
Detailed flowcharts for diagnosing malfunctions based on symptoms.
Torque Specifications:
Precise torque values for all critical fasteners.
Clearances And Tolerances:
Specifications for engine component clearances (e.g., valve lash, piston ring gap).
Wiring Diagrams:
Comprehensive electrical schematics for all models covered.
Special Tool Requirements:
Identification of specialized tools needed for specific repair procedures.
Engine Type:
Liquid-cooled, 4-stroke, SOHC, 4-valve
Bore X Stroke:
70.0 mm x 64.9 mm
Compression Ratio:
10.0:1
Carburetor:
Mikuni BSR34 (likely, or similar EFI system on later models/regions)
Horsepower:
Approximately 20-22 HP (at 7,000 RPM)
Torque:
Approximately 23-24 Nm (at 5,500 RPM)
Fuel Delivery:
Carburetor (likely Mikuni 34mm) or Fuel Injection depending on market and specific sub-model.
Fuel Type:
Unleaded gasoline
Oil Type Recommendation:
Yamalube 4 (or equivalent) SAE 10W-40 API Service SG or higher
Oil Capacity With Filter:
Approx. 1.6 Liters (1.7 US qt)
Oil Capacity Without Filter:
Approx. 1.4 Liters (1.5 US qt)
Engine Oil Change:
Every 3,000 km (2,000 miles) or 6 months, whichever comes first.
Oil Filter Replacement:
Every 6,000 km (4,000 miles) or 12 months, coinciding with oil changes.
Air Filter Cleaning Or Replacement:
Inspect every 3,000 km (2,000 miles), clean if necessary, replace every 12,000 km (8,000 miles).
Spark Plug Check And Replacement:
Check every 6,000 km (4,000 miles), replace as needed based on wear.
Transmission Belt Inspection:
Inspect every 6,000 km (4,000 miles) for wear and damage, replace as recommended (typically 15,000-20,000 km).
Brake Fluid Replacement:
Every 2 years, regardless of mileage, to maintain braking performance.
Coolant Replacement:
Every 2 years, or as specified by the manual, to ensure effective cooling.
Engine Oil Grade:
SAE 10W-40 API SG or higher
Coolant Type:
High-quality ethylene glycol-based coolant, mixed 50/50 with distilled water.
Common Wear Items:
CVT belt, variator rollers, brake pads, suspension bushings, spark plug, battery.
Potential Electrical:
Occasionally, issues with stator or regulator/rectifier may arise, often due to age and heat cycles.
Carburetor Maintenance:
Carburetors may require periodic cleaning and adjustment due to fuel quality variations or age.
