| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Chang-Jiang |
| Model Name | BD 50QT-5A |
| Year | 2007 |
| Category(class) | Scooter |
| Engine |
|---|
| Engine Capacity (Displacement) | 139 ccm (8.48 cubic inches) |
| Engine Type | Single cylinder |
| Bore x Stroke | Ø39.0 mm x 41.5 mm (Ø1.54 inches x 1.63 inches) |
| Bore/Stroke Ratio | 0.94 |
| Compression Ratio | 10.5:1 |
| Stroke | 4 |
| Ignition | CDI |
| Starter System | Electric & kick |
| Cooling System | Air |
| Powertrain |
|---|
| Clutch | centrifugal |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Single disc. Hand operation, disc |
| Rear Brakes | Expanding brake (drum brake). Hand operation, drum |
| Front Tire | 120/70-12 |
| Rear Tire | 130/70-12 |
| Dimensions |
|---|
| Overall Length | 1810 mm (71.26 inches) |
| Overall Width | 660 mm (25.98 inches) |
| Overall Height | 1153 mm (45.39 inches) |
| Wheelbase | 1250 mm (49.21 inches) |
| Ground Clearance | 155 mm (6.1 inches) |
| Dry Weight | 90.0 kg (198 lb) |
| Fuel Capacity | 6.00 litres (1.59 gallons) |
| Performance |
|---|
| Max Power | 3.35 HP (2.4 kW) at 7000 RPM |
| Power/Weight Ratio | 0.03 Hp/Kg |
| Top Speed | 45.0 km/h (28mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 37.9 seconds |
| 0-60 mph | 36 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
| Fuel Consumption | 1.90 litres/100km (123.73 mpg) |
