Chang-Jiang BD 50QT-5
2007Scooter

Chang-Jiang BD 50QT-5

Key specifications

Engine
139 cc
Power
3 HP
Weight
80 kg
Fuel type
petrol
Fuel capacity
1.1 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-5, a charming scooter that melds practicality with a touch of vintage flair. Positioned as an entry-level urban commuter, this scooter is ideal for both new riders and seasoned enthusiasts seeking a fun and economical way to navigate city streets. With its compact dimensions and lightweight design, the BD 50QT-5 is perfect for those who want to zip through traffic while enjoying the ease of parking in tight spots. Its 139cc engine makes it accessible, offering just the right amount of power for short commutes and leisurely rides alike. When it comes to performance, the BD 50QT-5 shines with its single-cylinder, four-stroke engine that produces a respectable 3.35 horsepower at 7500 RPM. While it might not be a speed demon—capping out at 50 km/h (31.1 mph)—this scooter delivers a reliable and smooth ride that makes urban commuting a breeze. The air-cooled engine, combined with a centrifugal clutch and belt final drive, offers a user-friendly experience, allowing riders to easily take off from stops without the hassle of manual gear changes. With a fuel consumption rate of just 1.90 liters per 100 km (approximately 123.80 mpg), the BD 50QT-5 is not only economical but also a sustainable choice for the environmentally conscious rider. Key features of the Chang-Jiang BD 50QT-5 include both electric and kick-start options, ensuring you're never left stranded during your adventures. The front single disc brake provides reliable stopping power, while the rear drum brake ensures smooth and controlled braking. The scooter's lightweight build of 80 kg (176.4 pounds) makes it extremely maneuverable, complemented by its compact dimensions of 1,655 mm in length and 640 mm in width. With a fuel tank capacity of 4 liters, you can enjoy extended rides without frequent stops for refueling, adding to the overall convenience this scooter offers. Overall, the 2007 Chang-Jiang BD 50QT-5 stands as a reliable, efficient, and stylish option for urban commuting, embodying the essence of fun and practicality on two wheels.

Pros

  • Excellent Fuel Efficiency: With a consumption rate of just 1.90 liters per 100 km, you can enjoy long rides without frequent stops at the pump.
  • User-Friendly Handling: The lightweight and compact design make it perfect for navigating tight city streets and parking in small spaces.
  • Dual Start Options: The electric and kick-start features provide convenience and peace of mind, ensuring you can always get going.

Cons

  • Limited Power: With just 3.35 HP, the BD 50QT-5 may struggle on steep hills or against strong headwinds.
  • Top Speed: The maximum speed of 50 km/h makes it less suitable for highway travel, limiting its versatility.
  • Basic Features: While it excels as a commuter, the BD 50QT-5 lacks advanced technology and features found in higher-end scooters, which may appeal less to tech-savvy riders.

Technical details

Source specification data

Make
Chang-Jiang
Model
BD 50QT-5
Category
Scooter
Starter
Electric & kick
Power
3.35 HP (2.4 kW)) @ 7500 RPM
Clutch
Centrifugal
Ignition
CDI
Top Speed
50.0 km/h (31.1 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)
Transmission Type Final Drive
Belt
Dry Weight
80.0 kg (176.4 pounds)
Fuel Capacity
4.00 litres (1.06 gallons)
Overall Width
640 mm (25.2 inches)
Overall Height
1,020 mm (40.2 inches)
Overall Length
1,655 mm (65.2 inches)
Power Weight Ratio
0.0419 HP/kg
Rear Tyre
3.5-10
Front Tyre
3.5-10
Rear Brakes
Expanding
brake (drum brake).
Hand
operation, drum
Front Brakes
Single disc. Hand operation, disc