INFORMATION
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CUSTOM DECALS
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Yamaha YZ and YZF
Yamaha Racing History
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| General moped information |
|---|
| Model: | Yamaha YB-1 Four |
| Year: | 2002 |
| Category: | Classic |
| Engine and transmission |
|---|
| Displacement: | 49.00 ccm (2.99 cubic inches) |
| Engine type: | Single cylinder |
| Stroke: | 4 |
| Power: | 4.10 HP (3.0 kW)) @ 7500 RPM |
| Torque: | 4.00 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 6000 RPM |
| Compression: | 9.5:1 |
| Bore x Stroke: | 36.0 x 48.6 mm (1.4 x 1.9 inches) |
| Fuel system: | Carburettor |
| Valves per cylinder: | 2 |
| Fuel control: | SOHC |
| Cooling system: | Air |
| Gearbox: | 4-speed |
Transmission type
final drive: | Chain |
| Physical measurements |
|---|
| Dry weight: | 83.0 kg (183.0 pounds) |
| Seat height: | 745 mm (29.3 inches) If adjustable, lowest setting. |
| Overall height: | 960 mm (37.8 inches) |
| Overall length: | 1,785 mm (70.3 inches) |
| Overall width: | 655 mm (25.8 inches) |
| Ground clearance: | 130 mm (5.1 inches) |
| Wheelbase: | 1,190 mm (46.9 inches) |
| Chassis and dimensions |
|---|
| Front brakes: | Expanding brake |
| Rear brakes: | Expanding brake |
| Speed and acceleration |
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| Power/weight ratio: | 0.0494 HP/kg |
| Other specifications |
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| Fuel capacity: | 7.20 litres (1.90 gallons) |
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