Comparison of Yamaha C3 2009 and Yamaha Why 2008 [S]ave
| Attribute |  Yamaha Why 2008 × |  Yamaha C3 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2009 |
| Make | Yamaha | Yamaha |
| Model | Yamaha Why | Yamaha C3 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 3 |
| Fuel system | - | Injection. Electronic fuel injection |
| Displacement (cm³) | 49.2 | 49 |
| Power (kw) | 2.3 | - |
| Fuel consumption (l/100km) | - | 2.04 |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 3.5 | - |
| Bore (mm) | 40 | 38 |
| Stroke (mm) | 39.2 | 43.5 |
| Gearbox | Automatic | Automatic |
| Greenhouse gases | - | 47.3 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | CDI | TCI |
| Clutch | - | Dry centrifugal automatic clutch |
| Lubrication system | Wet sump | - |
| Compression | 7.3:1 | 12.0:1 |
| Chassis | ||
| Front suspension | Hydraulic and telescopic fork | Telescopic fork, 2.3-in travel |
| Rear suspension | Hydraulic and telescopic fork | Unit swing, 2.2-in travel |
| Front brakes | Single disc | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 110 | 110 |
| Front tyre | 70/90-16 | 120/90-10 |
| Rear tyre | 80/90-16 | 120/90-10 |
| Other | ||
| Starter | Electric & kick | Electric |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,294 | 1,280 |
| Dry weight (kg) | 73 | 89 |
| Power/weight ratio | 0.0315 | - |
| Overall height (mm) | 1,105 | 1,044 |
| Overall length (mm) | 1,940 | 1,854 |
| Overall width (mm) | 685 | 686 |
| Seat height (mm) | 765 | 734 |
| Ground clearance (mm) | 125 | 114 |
| Performance | ||
| Fuel capacity (l) | 7 | 4.54 |
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