Production Years Covered:
1995, 1996, 1997, 1998, 1999
Vehicle Platform Code:
YP250 (specific chassis codes may vary by region, but this is the general designation)
Segment:
Maxi-scooter, comfortable for urban commuting and light touring.
Competitors Era:
Competed with other 250cc class scooters from brands like Honda (e.g., Helix), Suzuki (e.g., Burgman 250), and Aprilia in its market segment.
Design Philosophy:
Emphasis on comfort, practicality, storage, and smooth performance for its intended use.
Target Audience:
Commuters, urban riders, and those seeking a practical and comfortable two-wheeled transportation solution.
Engine:
Engine disassembly, assembly, troubleshooting, performance tuning, lubrication, cooling system.
Fuel System:
Carburetor overhaul, fuel pump, fuel lines, fuel tank inspection and cleaning.
Transmission:
CVT (Continuously Variable Transmission) belt inspection, roller weights, clutch operation, final drive maintenance.
Electrical System:
Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), ignition system (CDI, spark plug), lighting, starter system.
Suspension:
Front fork (telescopic) disassembly, oil change, seals; rear shock absorber inspection and replacement.
Brakes:
Front and rear brake systems (likely disc brakes), caliper overhaul, brake fluid replacement, pad wear checks, hydraulic system troubleshooting.
Chassis And Body:
Frame inspection, fairing removal and installation, seat, storage compartment, body panel fitment.
Cooling System:
Radiator, coolant, water pump, thermostat operation and maintenance (if liquid-cooled).
Exhaust System:
Muffler, exhaust pipe inspection and maintenance.
Preventative Maintenance:
Regular service checks, oil changes, filter replacements, lubrication points, chain/belt adjustment (if applicable).
Troubleshooting:
Diagnostic charts for common performance issues, starting problems, electrical faults, and component failures.
Repair And Overhaul:
Step-by-step instructions for engine teardown, transmission rebuild, brake caliper servicing, suspension fork overhaul, and electrical component replacement.
Inspections:
Detailed guidelines for inspecting critical components for wear, damage, or malfunction.
Adjustments:
Carburetor synchronization, idle speed adjustment, brake lever free play, throttle cable slack.
Depth:
Comprehensive; suitable for professional mechanics and experienced DIY enthusiasts. Covers full engine rebuilds, complex electrical diagnostics, and component-level repairs.
Engine Type:
Four-stroke, liquid-cooled, SOHC, 2-valve per cylinder, single-cylinder.
Bore X Stroke:
Approximately 70.0 mm x 64.2 mm (typical for this engine configuration).
Compression Ratio:
Around 9.8:1 to 10.0:1 (standard for its class).
Horsepower Approx:
Around 20-22 PS (approx. 15-16 kW) at 7,000-7,500 RPM.
Torque Approx:
Around 2.1-2.3 kgf-m (approx. 20-22 Nm) at 5,500-6,000 RPM.
Fuel Delivery:
Mikuni BS36 (or similar) constant velocity (CV) carburetor. Some markets might have received fuel injection on later models or specific trims, but carburetors were common for this generation.
Recommended Fuel:
Unleaded gasoline, 87-91 octane (RON+MON)/2 or higher.
Ignition System:
TCI (Transistor Controlled Ignition) with electronic advance.
Type:
Automatic, CVT (Continuously Variable Transmission) with V-belt drive.
Gear Ratios:
Variable, automatic adjustment by CVT system.
Drive System:
Belt drive to rear wheel.
Transmission Fluid:
Yamaha specified ATF (Automatic Transmission Fluid) or equivalent, check manual for exact type and capacity.
Crash Test Results:
N/A (Motorcycles/Scooters are not typically subjected to the same crash testing standards as automobiles).
Braking System:
Hydraulic disc brakes front and rear (likely 2-piston calipers).
Lighting System:
Halogen headlight, taillight, brake lights, turn signals.
Frame Construction:
Steel tube frame providing rigidity and rider protection.
Dashboard Features:
Analog speedometer, tachometer, odometer, trip meter, fuel gauge, coolant temperature warning light, oil warning light, turn signal indicators.
ABS:
Not typically equipped on models from this era; ABS became more common on later generations or higher-spec models.
Connectivity Features:
None (basic mechanical and electrical systems, no digital connectivity).
Engine Oil Change:
Every 3,000 km or 6 months, whichever comes first.
Air Filter Cleaning Replacement:
Clean every 6,000 km, replace as needed or every 12,000 km.
Spark Plug Replacement:
Every 10,000 km (check manual for specific type and gap).
Cvt Belt Inspection:
Inspect every 12,000 km, replace around 20,000-24,000 km or when wear is evident.
Brake Fluid Flush Replacement:
Every 2 years, regardless of mileage.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher JASO MA).
Engine Oil Capacity:
Approximately 1.8 liters with oil filter change.
Coolant Type:
Permanent Antifreeze (50/50 mixture of ethylene glycol and distilled water).
Coolant Capacity:
Approximately 0.75 - 0.85 liters (check manual for precise amount).
Common Wear Items:
CVT belt wear, aging battery, carburetor jetting issues due to ethanol fuels (if used in later years), fork seal leaks, and exhaust system corrosion.
Electrical Component Longevity:
Regulator/rectifier and stator can be prone to failure over time due to heat and vibration; diagnosis is crucial.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, is renowned globally for its motorcycles, marine products, and musical instruments. It has a strong reputation for engineering quality and innovation in the powersports industry.
Majesty Lineage:
The Majesty 250 was part of Yamaha's popular line of maxi-scooters, known for their comfort and practicality. It represented Yamaha's commitment to the growing scooter market.
Manufacturing Location:
Primarily manufactured in Japan, though production might have shifted or been supplemented in other Yamaha facilities depending on the market.
Market Introduction Period:
The Majesty 250 was introduced in the early 1990s, with the 1995-1999 period representing a significant iteration of this model.
