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
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General information

CategoryScooter
Year2007
ModelChang-Jiang BD 50QT-5D 125
 
 

Engine and Transmission Specifications

Clutchcentrifugal
Cooling systemAir
StarterElectric & kick
IgnitionCDI
Bore x stroke39.0 x 41.5 mm (1.5 x 1.6 inches)
Compression10.5:1
Power3.35
Stroke4
Engine typeSingle cylinder
Capacity:125.00 ccm (7.63 cubic inches)

Physical measures and capacities

Wheelbase1,300 mm (51.2 inches)
Ground clearance110 mm (4.3 inches)
Overall width670 mm (26.4 inches)
Overall length1,857 mm (73.1 inches)
Overall height1,085 mm (42.7 inches)
Dry weight90.0 kg (198.4 pounds)

Chang-Jiang BD 50QT-5D 125 dimensions and frame

Rear brakesExpanding brake (drum brake). Hand operation, drum
Front brakesSingle disc. Hand operation, disc
Rear tyre dimensions3.5-10
Front tyre dimensions3.5-10

Speed and acceleration

Power/weight ratio0.0372 HP/kg
Top speed45.0 km/h (28.0 mph)

Other specs

MaintenanceFind 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 capacity6.00 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 ForSuitable 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.
PurposeDesigned for very short, low-speed urban errands rather than any kind of spirited or long-distance riding.
Rider FitIts light weight and small 10-inch wheels make it easy to handle and manageable for riders of smaller stature or limited strength.
CharacterA humble, utilitarian commuter scooter with modest performance, prioritizing simplicity and low running costs over excitement.
Not Ideal ForNot 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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