| Attribute | Yamaha BWs Next Generation 2007 × | Yamaha BWs 12inch 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | Yamaha | Yamaha |
| Model | Yamaha BWs Next Generation | Yamaha BWs 12inch |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | - | Carburettor. Gurtner PY-12 |
| Displacement (cm³) | 49 | 49 |
| Power (kw) | 2.6 | 2.3 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 4 | 3.6 |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.2 | 39.2 |
| Gearbox | Automatic | Automatic |
| Ignition | CDI | CDI |
| Clutch | - | Automatic centrifugal |
| Lubrication system | - | Seperate lubrification |
| Compression | 11.2:1 | 7.2:1 |
| Chassis | ||
| Front suspension | Hydraulic and telescopic fork | Hydraulic and telescopic fork |
| Rear suspension | Hydraulic unit swing | Hydraulic unit swing |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 110 | 110 |
| Front tyre | 120/90-10 | 120/70-12 |
| Rear tyre | 130/90-10 | 130/70-12 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Dimensions | ||
| Wheelbase (mm) | 1,206 | 1,172 |
| Dry weight (kg) | 77 | 75 |
| Power/weight ratio | 0.0338 | 0.0307 |
| Overall height (mm) | 1,120 | 1,049 |
| Overall length (mm) | 1,746 | 1,685 |
| Overall width (mm) | 675 | 675 |
| Seat height (mm) | 803 | 768 |
| Ground clearance (mm) | 153 | 124 |
| Performance | ||
| Fuel capacity (l) | 6.5 | 5.3 |