Comparison of Chang-Jiang BD 50QT-4 and Zest Z125T-1 2011 [S]ave
| Attribute |  Zest Z125T-1 2011 × |  Chang-Jiang BD 50QT-4 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2007 |
| Make | Zest | Chang-Jiang |
| Model | Zest Z125T-1 | Chang-Jiang BD 50QT-4 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 125 | 139 |
| Power (kw) | 5.7 | 2.4 |
| Fuel consumption (l/100km) | 2.5 | 1.9 |
| Cooling system | Air | Air |
| Torque (Nm) | 8 | - |
| Bore (mm) | - | 39 |
| Stroke (mm) | - | 41.5 |
| Gearbox | Automatic | - |
| Greenhouse gases | 58.0 CO2 g/km. (CO2 - Carbon dioxide emission) | 44.1 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Ignition | - | CDI |
| Compression | - | 10.5:1 |
| Chassis | ||
| Front tyre | - | 3.00-10 |
| Rear tyre | - | 3.00-10 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,075 | 1,200 |
| Dry weight (kg) | 89 | 80 |
| Power/weight ratio | 0.064 | 0.03 |
| Overall height (mm) | 1,075 | 1,094 |
| Overall length (mm) | 1,650 | 1,686 |
| Overall width (mm) | 650 | 652 |
| Performance | ||
| Top speed (km/h) | 85 | 45 |
| Fuel capacity (l) | 6.5 | 4 |
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