Chang-Jiang BD 50QT-5A
2007Scooter

Chang-Jiang BD 50QT-5A

Key specifications

Engine
139 cc
Power
3 HP
Weight
90 kg
Fuel type
petrol
Fuel capacity
1.6 L
Front brakes
Single disc. Hand operation, disc
Rear brakes
Expanding brake (drum brake). Hand operation, drum

Overview

Introducing the 2007 Chang-Jiang BD 50QT-5A, a compact scooter that embodies the spirit of urban mobility with a nod to practicality and efficiency. This Chinese-made motorcycle offers an accessible entry point into the world of two-wheeled adventures, making it an excellent choice for both novice riders and seasoned enthusiasts looking for a lightweight companion. With its stylish design and nimble handling, the BD 50QT-5A is perfectly positioned within the scooter category, catering to commuters and casual riders alike who seek a reliable and economical mode of transportation. At the heart of the BD 50QT-5A lies a single-cylinder, four-stroke engine with a displacement of 139cc. This spirited powerplant delivers a modest but effective output of 3.35 horsepower at 7,000 RPM, allowing the scooter to achieve a top speed of 45 km/h (28 mph). Thanks to its air-cooled design and a compression ratio of 10.5:1, the engine strikes a balance between performance and efficiency, boasting an impressive fuel consumption rate of just 1.90 liters per 100 km (or 123.80 mpg). The centrifugal clutch further enhances the riding experience, providing smooth acceleration and making it easy for riders to navigate urban traffic with confidence. The 2007 Chang-Jiang BD 50QT-5A is not just about efficiency; it also comes equipped with an array of thoughtful features. Riders will appreciate the dual-starting options—electric and kick—ensuring that you can get going no matter the situation. The scooter features a user-friendly single disc brake at the front and a reliable drum brake at the rear, providing adequate stopping power for city riding. With a low seat height and a weight of only 90 kg (198.4 lbs), this scooter offers excellent maneuverability and comfort, making it an ideal choice for navigating crowded streets or taking on short commutes. In summary, the 2007 Chang-Jiang BD 50QT-5A is a charming, practical scooter that excels in urban environments, offering riders a blend of efficiency, ease of use, and a touch of style. Whether you're looking to zip around the city or simply enjoy the open road, this scooter provides a reliable platform for your two-wheeled adventures.

Pros

  • High Fuel Efficiency: With an impressive 123.80 mpg, the BD 50QT-5A is economical, making it perfect for daily commuting.
  • Lightweight Design: At just 90 kg, this scooter is easy to handle, even for novice riders, enhancing confidence and control.
  • Versatile Starting Options: The electric and kick-start options provide flexibility, ensuring you're never stranded.

Cons

  • Limited Power: With only 3.35 HP, the BD 50QT-5A may struggle with steep inclines or carrying heavy loads.
  • Basic Features: Lacking advanced technology or modern conveniences found in higher-end scooters, it may not appeal to tech-savvy riders.
  • Top Speed Limitations: With a maximum speed of 45 km/h, it may not be suitable for highway use or longer journeys requiring higher speeds.

Technical details

Source specification data

Make
Chang-Jiang
Model
BD 50QT-5A
Category
Scooter
Starter
Electric & kick
Comments
Chinese bike
Power
3.35 HP (2.4 kW)) @ 7000 RPM
Clutch
Centrifugal
Ignition
CDI
Top Speed
45.0 km/h (28.0 mph)
Bore X Stroke
39.0 x 41.5 mm (1.5 x 1.6 inches)
Compression
10.5:1
Displacement
139.00 ccm (8.48 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, four-stroke
Fuel Consumption
1.90 litres/100 km (52.6 km/l or 123.80 mpg)
Greenhouse Gases
O2
g/km. (
O2
-
Carbon
dioxide emission)
Dry Weight
90.0 kg (198.4 pounds)
Fuel Capacity
6.00 litres (1.59 gallons)
Overall Width
660 mm (26.0 inches)
Overall Height
1,153 mm (45.4 inches)
Overall Length
1,810 mm (71.3 inches)
Ground Clearance
155 mm (6.1 inches)
Power Weight Ratio
0.0372 HP/kg
Rear Tyre
130/70-12
Front Tyre
120/70-12
Rear Brakes
Expanding
brake (drum brake).
Hand
operation, drum
Front Brakes
Single disc. Hand operation, disc