22 June. Monday 2026
Chang-Jiang BD 50QT-5 - 2007 Specifications and Reviews
The 2007 Chang-Jiang BD 50QT-5 is a lightweight commuter scooter powered by a 139cc single-cylinder engine, ideal for urban riders seeking affordable, practical transportation. Its modest 3.35 horsepower and 80kg dry weight make it nimble in city traffic while maintaining reliability through dual electric and kick starting options.
2007
General information | |
| Category | Scooter |
| Year | 2007 |
| Model | Chang-Jiang BD 50QT-5 |
Engine and Transmission Specifications | |
| Clutch | centrifugal |
| Transmission typefinal drive | Belt |
| Cooling system | Air |
| Starter | Electric & kick |
| Ignition | CDI |
| Bore x stroke | 39.0 x 41.5 mm (1.5 x 1.6 inches) |
| Compression | 10.5:1 |
| Power | 3.35 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 139.00 ccm (8.48 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,200 mm (47.2 inches) |
| Overall width | 640 mm (25.2 inches) |
| Overall length | 1,655 mm (65.2 inches) |
| Overall height | 1,020 mm (40.2 inches) |
| Dry weight | 80.0 kg (176.4 pounds) |
| | |
Chang-Jiang BD 50QT-5 dimensions and frame | |
| Rear brakes | Expanding brake (drum brake). Hand operation, drum |
| Front brakes | Single disc. Hand operation, disc |
| Rear tyre dimensions | 3.5-10 |
| Front tyre dimensions | 3.5-10 |
| | |
Speed and acceleration | |
| Power/weight ratio | 0.0419 HP/kg |
| Top speed | 50.0 km/h (31.1 mph) |
Other specs | |
| Fuel consumption pr. 10 km (6.2 miles) | 1.90 litres (0.50 gallons) |
| Fuel capacity | 4.00 litres (1.06 gallons) |
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