Welcome to the fascinating world of the 2002 Yamaha YB-1 Four – a machine that combines unmatched lightness and reliability. This motorcycle treasure is equipped with an economical 49 cm³ engine that produces 4.1 HP, making it an ideal choice for both beginners and experienced riders seeking enjoyment in the urban hustle and bustle. The YB-1 Four is not just about style; it also offers excellent ergonomics that guarantee a comfortable position during long journeys. Agile, dynamic, and full of character, this motorcycle is sure to turn heads on any street. Ready for an adventure? Dive into the details and discover what makes the Yamaha YB-1 Four an excellent choice for every motorcycle enthusiast!
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| Engine Capacity (cm³) | 49.0 |
|---|---|
| Type | Single-cylinder, four-stroke |
| Details | - |
| Bore × Stroke (mm) | 36.0 x 48.6 |
| Compression | 9.5:1 |
| Valves/Cylinder | 2 |
| Max RPM | - |
| Power (HP) | 4.1 |
|---|---|
| Power (kW) | 7500 |
| Torque (Nm) | 4 |
| Peak Torque (RPM) | 6000 |
| 0-100 km/h (s) | - |
| 1/4 Mile (s) | - |
| Top Speed (km/h) | - |
| Gearbox | 4-speed |
|---|---|
| Final Drive | Chain (final drive) |
| Clutch | - |
| Driveline | - |
| Fuel System | Carburettor |
|---|---|
| Fuel Control | Single Overhead Cams (SOHC) |
| Fuel Consumption (l/100 km) | - |
| Fuel Capacity (l) | 7,2 |
| Reserve Fuel (l) | - |
| Oil Capacity (l) | - |
| CO₂ Emissions (g/km) | - |
| Emission Details | - |
| Exhaust System | - |
| Frame Type | - |
|---|---|
| Rake Angle (°) | - |
| Trail (mm) | - |
| Front Suspension | - |
| Front Wheel Travel (mm) | - |
| Rear Suspension | - |
| Rear Wheel Travel (mm) | - |
| Dry Weight (kg) | 83 |
|---|---|
| Total Weight (kg) | - |
| Power-to-Weight Ratio | 0,0494 |
| Seat Height (mm) | 745 |
| Overall Height (mm) | 960 |
| Overall Length (mm) | 1785 |
| Overall Width (mm) | 655 |
| Wheelbase (mm) | 1190 |
| Ground Clearance (mm) | 130 |
| Front Tyre | - |
|---|---|
| Rear Tyre | - |
| Front Brakes | Expanding brake |
| Front Brake Diameter (mm) | - |
| Rear Brakes | Expanding brake |
| Rear Brake Diameter (mm) | - |
| Wheels | - |
| Starter | - |
|---|---|
| Instruments | - |
| Electrical | - |
| Light | - |
| Battery | - |
| Ignition | - |
| Lubrication System | - |
|---|---|
| Cooling System | Air |
| Engine Oil | - |
| Oil Filter | - |
| Brake Fluid | - |
| Coolant | - |
| Spark Plugs | - |