| General moped information |
| Model: | Yamaha YB 50 |
| Year: | 2002 |
| Category: | Classic |
| Engine and transmission |
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| Displacement: | 49.00 ccm (2.99 cubic inches) |
| Engine type: | Single cylinder |
| Stroke: | 4 |
| Power: | 4.00 HP (2.9 kW)) @ 7500 RPM |
| Torque: | 4.00 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 6000 RPM |
| Valves per cylinder: | 2 |
| Fuel control: | SOHC |
| Cooling system: | Air |
| Physical measurements |
|---|
| Dry weight: | 85.0 kg (187.4 pounds) |
| Seat height: | 760 mm (29.9 inches) If adjustable, lowest setting. |
| Overall height: | 1,035 mm (40.7 inches) |
| Overall length: | 1,820 mm (71.7 inches) |
| Overall width: | 725 mm (28.5 inches) |
| Ground clearance: | 130 mm (5.1 inches) |
| Wheelbase: | 1,190 mm (46.9 inches) |
| Chassis and dimensions |
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| Front brakes: | Expanding brake |
| Rear brakes: | Expanding brake |
| Speed and acceleration |
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| Power/weight ratio: | 0.0471 HP/kg |
| Other specifications |
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| Fuel capacity: | 7.20 litres (1.90 gallons) |
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