| Attribute | Yamaha BWs Next Generation 2008 × | Yamaha EC-03 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2011 |
| Make | Yamaha | Yamaha |
| Model | Yamaha BWs Next Generation | Yamaha EC-03 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Electric |
| Displacement (cm³) | 49.2 | - |
| Power (kw) | 2.6 | 1.4 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | - |
| Torque (Nm) | 4 | 9.6 |
| Bore (mm) | 40 | - |
| Stroke (mm) | 39.2 | - |
| Gearbox | - | Automatic |
| Ignition | CDI | - |
| Lubrication system | Separate lubrication | - |
| Compression | 11.2:1 | - |
| Chassis | ||
| Front suspension | Hydraulic and telescopic fork | Cartridge fork |
| Rear suspension | Hydraulic unit swing | Mono shock, Swingarm |
| Front brakes | Single disc | Double disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 110 | 150 |
| Frame type | - | aluminum frame |
| Front tyre | 120/90-10 | 60/100-R12 |
| Rear tyre | 130/90-10 | 60/100-R12 |
| Other | ||
| Starter | Electric & kick | Electric |
| Color options | - |
|
| Dimensions | ||
| Dry weight (kg) | 77 | 56 |
| Power/weight ratio | 0.0338 | 0.025 |
| Overall height (mm) | 1,120 | 990 |
| Overall length (mm) | 1,746 | 1,565 |
| Overall width (mm) | 675 | 600 |
| Seat height (mm) | 803 | 745 |
| Ground clearance (mm) | 153 | 110 |
| Performance | ||
| Top speed (km/h) | - | 45 |
| Fuel capacity (l) | 6.5 | - |