| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Chang-Jiang |
| Model Name | BD 50QT-5 |
| 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 |
| Transmission (Final Drive) | Belt |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Single disc. Hand operation, disc |
| Rear Brakes | Expanding brake (drum brake). Hand operation, drum |
| Front Tire | 3.5-10 |
| Rear Tire | 3.5-10 |
| Dimensions |
|---|
| Overall Length | 1655 mm (65.16 inches) |
| Overall Width | 640 mm (25.2 inches) |
| Overall Height | 1020 mm (40.16 inches) |
| Wheelbase | 1200 mm (47.24 inches) |
| Dry Weight | 80.0 kg (176 lb) |
| Fuel Capacity | 4.00 litres (1.06 gallons) |
| Performance |
|---|
| Max Power | 3.35 HP (2.4 kW) at 7500 RPM |
| Power/Weight Ratio | 0.04 Hp/Kg |
| Top Speed | 50.0 km/h (31mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 34.4 seconds |
| 0-60 mph | 32.7 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
| Fuel Consumption | 1.90 litres/100km (123.73 mpg) |
