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Chang-Jiang BD50QT-9 125 - 2007 Specifications and Reviews
The 2007 Chang-Jiang BD50QT-9 125 is an economical commuter scooter designed for urban riders seeking affordable, fuel-efficient transportation. Powered by a modest 125cc single-cylinder four-stroke engine producing 3.35 hp, it excels in city cycling with excellent fuel economy at 52.6 km/l and a top speed of 45 km/h. Best known for its reliability and low operating costs, this scooter suits budget-conscious beginners and casual daily commuters.
2007
General information | |
| Category | Scooter |
| Year | 2007 |
| Model | Chang-Jiang BD50QT-9 125 |
Engine and Transmission Specifications | |
| Greenhouse gases | 44.1 CO |
| Fuel consumption | 1.90 litres/100 km (52.6 km/l or 123.80 mpg) |
| Clutch | Centrifugal |
| Transmission type,final drive | Belt |
| Cooling system | Air |
| Ignition | CDI |
| Bore x stroke | 39.0 x 41.5 mm (1.5 x 1.6 inches) |
| Compression | 10.5:1 |
| Top speed | 45.0 km/h (28.0 mph) |
| Power | 3.35 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.00 ccm (7.63 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake (drum brake). Hand operation, drum |
| Front brakes | Single disc. Hand operation, disc |
| Rear tyre dimensions | 130/60-13 |
| Front tyre dimensions | 130/60-13 |
| | |
Physical measures and capacities | |
| Fuel capacity | 6.00 litres (1.59 gallons) |
| Wheelbase | 1,380 mm (54.3 inches) |
| Ground clearance | 120 mm (4.7 inches) |
| Overall width | 700 mm (27.6 inches) |
| Overall length | 1,955 mm (77.0 inches) |
| Overall height | 1,095 mm (43.1 inches) |
| Power/weight ratio | 0.0345 HP/kg |
| Dry weight | 97.0 kg (213.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Electric & kick |
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 | Suited to complete beginners or those wanting a low-stress, low-power runabout, note the listed top speed of 45 km/h is unusually low even for a 125cc scooter and may reflect a restricted or mismatched spec entry. |
| Purpose | Designed purely for short, low-speed urban errands and light commuting rather than any kind of performance or long-distance riding. |
| Rider Fit | Very light and compact at under 100 kg dry weight, making it easy to handle, park, and maneuver for riders of almost any size or strength. |
| Character | A humble, economical, no-frills small-capacity scooter focused on cheap, simple transportation rather than excitement. |
| Not Ideal For | Not for highway riding, touring, carrying a passenger any distance, or anyone seeking spirited performance. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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