Comparison of Aspes Sirio Hybrid 50 and Keeway Matrix 50 2009 [S]ave
| Attribute |  Aspes Sirio Hybrid 50 × |  Keeway Matrix 50 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2009 |
| Make | Aspes | Keeway |
| Model | Aspes Sirio Hybrid 50 | Keeway Matrix 50 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 49.5 | 49.3 |
| Power (kw) | 2.2 | 2.2 |
| Fuel consumption (l/100km) | 1.25 | 2 |
| Cooling system | Air | - |
| Transmission type,final drive | - | Belt |
| Torque (Nm) | - | 3.4 |
| Bore (mm) | - | 40.3 |
| Stroke (mm) | - | 39 |
| Gearbox | - | Automatic |
| Greenhouse gases | 29.0 CO2 g/km. (CO2 - Carbon dioxide emission) | 46.4 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Emission details | Test 1 - CO: 0.38 g/km HC+NOx: 0.43 g/km Test 2 - CO: 0.161 rpm. HC: 0.036 | - |
| Clutch | - | Automatic |
| Compression | 10.5:1 | 7.2:1 |
| Chassis | ||
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 80/90-14 | 120/70-12 |
| Rear tyre | 80/90-14 | 130/70-12 |
| Wheels | Aluminium | - |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,300 | 1,270 |
| Dry weight (kg) | 90 | 93 |
| Power/weight ratio | 0.0244 | 0.0237 |
| Overall height (mm) | 1,220 | 1,270 |
| Overall length (mm) | 1,864 | 1,830 |
| Overall width (mm) | 740 | 690 |
| Ground clearance (mm) | 140 | 90 |
| Performance | ||
| Top speed (km/h) | 45 | 45 |
| Fuel capacity (l) | 4.9 | 4.8 |
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