Chang-Jiang BD 50QT-5D 125 - 2007 Specifications and Reviews
The Chang-Jiang BD 50QT-5D 125 is a practical 125cc scooter designed for commuters seeking affordable, reliable urban transportation. Its lightweight 90kg frame and modest 3.35hp output make it ideal for new riders and those prioritizing fuel economy over performance. The dual electric and kick starter system ensures dependable starting in various conditions.
2007
General information | |
| Category | Scooter |
| Year | 2007 |
| Model | Chang-Jiang BD 50QT-5D 125 |
| | |
Engine and Transmission Specifications | |
| Clutch | centrifugal |
| 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: | 125.00 ccm (7.63 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,300 mm (51.2 inches) |
| Ground clearance | 110 mm (4.3 inches) |
| Overall width | 670 mm (26.4 inches) |
| Overall length | 1,857 mm (73.1 inches) |
| Overall height | 1,085 mm (42.7 inches) |
| Dry weight | 90.0 kg (198.4 pounds) |
Chang-Jiang BD 50QT-5D 125 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 | 0.0372 HP/kg |
| Top speed | 45.0 km/h (28.0 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel consumption pr. 10 km (6.2 miles) | 1.90 litres (0.50 gallons) |
| Fuel capacity | 6.00 litres (1.59 gallons) |
Performance Profile & Rider Fit
3.4 hp
Peak Power
28 mph
Top Speed
Best For
Track2%
City60%
Cornering20%
Daily Riding45%
Touring8%
Passenger15%
Rider Profile
| Best For | Suitable for absolute beginners or those with only basic riding experience, as this is a low-powered, restricted scooter, likely speed-limited well below typical 125cc performance. |
| Purpose | Designed for very short, low-speed urban errands rather than any kind of spirited or long-distance riding. |
| Rider Fit | Its light weight and small 10-inch wheels make it easy to handle and manageable for riders of smaller stature or limited strength. |
| Character | A humble, utilitarian commuter scooter with modest performance, prioritizing simplicity and low running costs over excitement. |
| Not Ideal For | Not suitable for highway use, touring, carrying a passenger comfortably, or any rider seeking speed or off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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