| Attribute | Value |
| General |
| Production from | 2007 year |
| Make | Yamaha |
| Model | Yamaha BWs 12inch |
| Category | Scooter |
| Engine and transmission |
| Engine type | Single cylinder, two-stroke |
| Valves per cylinder | Add |
| Fuel system | Carburettor. Gurtner PY-12 |
| Engine details | Add |
| Displacement | 49 cm³ |
| Power | 2.3 kw |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Air |
| Transmission type,final drive | Belt |
| Torque | 3.6 Nm |
| Bore | 40 mm |
| Stroke | 39.2 mm |
| Gearbox | Automatic |
| Greenhouse gases | Add |
| Fuel control | Add |
| Emission details | Add |
| Driveline | Add |
| Ignition | CDI |
| Clutch | Automatic centrifugal |
| Lubrication system | Seperate lubrification |
| Compression | 7.2:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Hydraulic and telescopic fork |
| Rear suspension | Hydraulic unit swing |
| Front brakes | Single disc |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | 110 mm |
| Frame type | Add |
| Front tyre | 120/70-12 |
| Rear tyre | 130/70-12 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | Add |
| Rear wheel travel | Add |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Electric & kick |
| Color options | Add |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,172 mm |
| Kerb weight | Add |
| Dry weight | 75 kg |
| Power/weight ratio | 0.0307 |
| Overall height | 1,049 mm |
| Overall length | 1,685 mm |
| Overall width | 675 mm |
| Seat height | 768 mm |
| Alternate seat height | Add |
| Ground clearance | 124 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 5.3 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |