Positioned in Chang-Jiang's scooter motorcycle lineup, the 2007 Chang-Jiang BD 150T 125 features a 125 cc (7.6 cu in) liquid-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 7.9 HP (5.8 kW) at 7,000 rpm, transferring power to the rear wheel through belt final drive. With a specific output of 63.2 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the BD 150T 125 measures 175 kg (386 lbs) dry, translating to a power-to-weight ratio of 0.05 HP/kg (22.15 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,616 mm (63.6 in) wheelbase engineered for planted straight-line stability. The 10.5-liter (2.8 US gal) fuel tank paired with a rated consumption of 2.2 L/100 km provides an estimated theoretical range of roughly 477 km (296 miles) between fill-ups, while factory top speed is listed at 85 km/h (53 mph).
Specific Output
63.2 HP/L
Power-to-Weight
0.05 HP/kg (22.15 kg/HP)
Theoretical Range
~477 km (296 mi)
Engine
Displacement125.0 ccm (7.63 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power7.9 HP (5.8 kW)) @ 7000 RPM
Compression9.2:1
Bore x Stroke57.4 x 57.8 mm (2.3 x 2.3 inches)
IgnitionCDI
CoolingLiquid
Transmission
Final DriveBelt (final drive)
Clutchcentrifugal
Performance
Top Speed85.0 km/h (52.8 mph)
Fuel Consumption2.20 litres/100 km (45.5 km/l or 106.92 mpg)
Greenhouse Gases51.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Wheelbase1616 mm (63.6 inches)
Ground Clearance145 mm (5.7 inches)
Wheels & Brakes
Front Tyre4-12
Rear Tyre120/90-10
Front BrakesSingle disc. Hand operation, disc
Rear BrakesExpanding brake (drum brake). Hand operation, drum
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
