Comparison of Yamaha BWs 12 inch 2014 and Yamaha BWs 2009 [S]ave
| Attribute |  Yamaha BWs 12 inch 2014 × |  Yamaha BWs 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2009 |
| Make | Yamaha | Yamaha |
| Model | Yamaha BWs 12 inch | Yamaha BWs |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Gurtner | Carburettor |
| Displacement (cm³) | 49.2 | 49.2 |
| Power (kw) | 2.4 | 2.3 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 3.6 | 3.6 |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.2 | 39.2 |
| Gearbox | Automatic | Automatic |
| Ignition | CDI | CDI |
| Lubrication system | Separate lubrication | Separate lubrication |
| Compression | 7.2:1 | 7.2:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Telescopic fork |
| Rear suspension | Unit swing | Unit swing |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 110 | 110 |
| Front tyre | 120/70-12 | 120/90-10 |
| Rear tyre | 130/70-12 | 150/80-10 |
| Seat | Dual seat with passenger grab handles | - |
| Wheels | Alloy wheels | - |
| Front wheel travel (mm) | 70 | 70 |
| Rear wheel travel (mm) | 70 | 70 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Light | Twin front lights | - |
| Dimensions | ||
| Wheelbase (mm) | 1,174 | 1,172 |
| Kerb weight (kg) | 83 | 82 |
| Overall height (mm) | 1,052 | 1,049 |
| Overall length (mm) | 1,685 | 1,685 |
| Overall width (mm) | 690 | 675 |
| Seat height (mm) | 768 | 768 |
| Ground clearance (mm) | 124 | 124 |
| Performance | ||
| Fuel capacity (l) | 5.3 | 5.3 |
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