Chang-Jiang BD50QT-9 150 - 2007 Specifications and Reviews

The 2007 Chang-Jiang BD50QT-9 150 is a practical 150cc scooter designed for urban commuters seeking economical daily transportation. Powered by a reliable two-stroke single-cylinder engine, it delivers modest performance with excellent fuel efficiency of 52.6 km/l, making it ideal for budget-conscious riders prioritizing low operating costs over speed.

2007
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General information

CategoryScooter
Year2007
ModelChang-Jiang BD50QT-9 150

Engine and Transmission Specifications

Greenhouse gases44.1 CO
Fuel consumption1.90 litres/100 km (52.6 km/l or 123.80 mpg)
Clutchcentrifugal
Transmission type,final driveBelt
Cooling systemAir
IgnitionCDI
Bore x stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression7.0:1
Top speed45.0 km/h (28.0 mph)
Power3.62
Engine typeSingle cylinder, two-stroke
Capacity:150.00 ccm (9.15 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake (drum brake). Hand operation, drum
Front brakesSingle disc. Hand operation, disc
Rear tyre dimensions130/60-13
Front tyre dimensions130/60-13
 
 

Physical measures and capacities

Fuel capacity6.00 litres (1.59 gallons)
Wheelbase1,380 mm (54.3 inches)
Overall width700 mm (27.6 inches)
Overall length1,955 mm (77.0 inches)
Overall height1,095 mm (43.1 inches)
Power/weight ratio0.0373 HP/kg
Dry weight97.0 kg (213.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric & kick

Performance Profile & Rider Fit

3.6 hp
Peak Power
28 mph
Top Speed

Best For

Track2%
City55%
Cornering20%
Daily Riding30%
Touring8%
Passenger10%

Rider Profile

Best ForThis scooter suits absolute beginners or those wanting the simplest possible transportation, note the listed top speed of 45 km/h is unusually low even for a 150cc scooter, suggesting a possible data mismatch or a heavily restricted/detuned variant.
PurposeDesigned for short, low-speed errands and light urban commuting rather than any performance or distance riding.
Rider FitExtremely light and low at under 100 kg dry weight, making it easy to handle, balance, and maneuver for riders of almost any size or strength.
CharacterA humble, utilitarian step-through scooter prioritizing economy and ease of use over excitement or capability.
Not Ideal ForNot suitable for riders seeking highway speeds, long-distance touring, passenger comfort, or any kind of spirited or off-road riding.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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