Comparison of Yamaha Aerox SP55 and Yamaha BWs Naked 2009 [S]ave
| Attribute |  Yamaha Aerox SP55 × |  Yamaha BWs Naked 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2009 |
| Make | Yamaha | Yamaha |
| Model | Yamaha Aerox SP55 | Yamaha BWs Naked |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Gurtner | - |
| Displacement (cm³) | 49.2 | 49.2 |
| Power (kw) | 2 | 2.3 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 3.7 | 3.6 |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.2 | 39.2 |
| Gearbox | Automatic | Automatic |
| Ignition | C.D.I. | CDI |
| Lubrication system | Separate lubrication | - |
| Compression | 7.4:1 | 7.2:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Telescopic fork |
| Rear suspension | Unit swing | Unit swing |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 190 | 110 |
| Frame type | Steel | - |
| Front tyre | 130/60-13 | 120/90-10 |
| Rear tyre | 140/60-13 | 150/80-10 |
| Seat | Three-tone carbon-look dual seat | - |
| Wheels | Race-style red pinstripe wheels | - |
| Front wheel travel (mm) | 80 | 70 |
| Rear wheel travel (mm) | 60 | 70 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Carrying capacity | Under-seat helmet storage for a full-face helmet. | - |
| Instruments | Analogue speedo and fuel gauge | - |
| Dimensions | ||
| Wheelbase (mm) | 1,256 | 1,172 |
| Kerb weight (kg) | 97 | 82 |
| Overall length (mm) | 1,743 | 1,685 |
| Overall width (mm) | 690 | 675 |
| Seat height (mm) | 828 | 768 |
| Ground clearance (mm) | 185 | 124 |
| Performance | ||
| Fuel capacity (l) | 7 | 5.3 |
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