Chang-Jiang BD 50QT-5D 150 - 2007 Specifications and Reviews

The 2007 Chang-Jiang BD 50QT-5D 150 is a practical 150cc scooter designed for urban commuters and new riders seeking affordable, reliable transportation. Its lightweight frame and modest power output make it ideal for city riding and novice operators. Best known for dependable performance and fuel efficiency, this air-cooled scooter offers convenient electric and kick starting options.

2007
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General information

CategoryScooter
Year2007
ModelChang-Jiang BD 50QT-5D 150

Engine and Transmission Specifications

ClutchCentrifugal
Cooling systemAir
StarterElectric & kick
IgnitionCDI
Bore x stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression7.0:1
Power3.62
Stroke2
Engine typeSingle cylinder
Capacity:150.00 ccm (9.15 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 150 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 ratio0.0402 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

3.6 hp
Peak Power
28 mph
Top Speed

Best For

Track2%
City55%
Cornering20%
Daily Riding40%
Touring5%
Passenger10%

Rider Profile

Best ForSuitable for complete beginners or those wanting the simplest possible powered two-wheeler experience, as this is a low-powered 150cc-badged but very low-output moped-class scooter with a top speed of only about 28 mph.
PurposeDesigned purely for very short, slow urban errands and neighborhood commuting rather than any kind of spirited or long-distance riding.
Rider FitExtremely light and low at 90 kg with small 10-inch wheels, making it easy to handle, balance, and maneuver even for smaller or less physically strong riders.
CharacterA basic, unassuming, practical little runabout with modest performance, small tires, and simple mechanicals suited to gentle, low-speed use.
Not Ideal ForNot suitable for highway riding, touring, carrying a passenger comfortably, or anyone seeking real acceleration or speed.

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

Rider Reviews

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