| Attribute | Yamaha BWs Naked 2011 × | MBK Booster 12-inch × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2009 |
| Make | Yamaha | MBK |
| Model | Yamaha BWs Naked | MBK Booster 12-inch |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| 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 |
| Driveline | V-belt automatic | - |
| Ignition | CDI | CDI |
| Clutch | - | Automatic centrifugal |
| 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 |
| Frame type | Steel | - |
| Front tyre | 120/90-10 | 120/70-12 |
| Rear tyre | 150/80-10 | 130/70-12 |
| Front wheel travel (mm) | 70 | 70 |
| Rear wheel travel (mm) | 70 | 70 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,172 | 1,172 |
| Kerb weight (kg) | 82 | 82 |
| Dry weight (kg) | 77 | 75 |
| Power/weight ratio | 0.0312 | 0.0307 |
| Overall height (mm) | 1,049 | 1,052 |
| Overall length (mm) | 1,685 | 1,685 |
| Overall width (mm) | 675 | 690 |
| Seat height (mm) | 768 | 768 |
| Ground clearance (mm) | 124 | 124 |
| Performance | ||
| Fuel capacity (l) | 5.3 | 5.3 |
| Oil capacity (l) | - | 1.1 |