Comparison of Piaggio Zip SP 2005 and Yamaha BWs Naked 2008 [S]ave
| Attribute |  Piaggio Zip SP 2005 × |  Yamaha BWs Naked 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2008 |
| Make | Piaggio | Yamaha |
| Model | Piaggio Zip SP | Yamaha BWs Naked |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (cm³) | 49.4 | 49.2 |
| Power (kw) | - | 2.3 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | - | Belt |
| Torque (Nm) | - | 3.6 |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.2 |
| Ignition | Electronic CDI | CDI |
| Clutch | “Twist and Go” automatic dry centrifugal type | - |
| Lubrication system | Separate automatic | Wet sump |
| Compression | 10.3:1 | 7.2:1 |
| Chassis | ||
| Front suspension | Single arm with hydraulic damper and coil spring | Hydraulic and telescopic fork |
| Rear suspension | Single arm with dual effect hydraulic damper and coil spring | Hydraulic unit swing |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 110 | 110 |
| Frame type | Single tube frame, pressed high strenght steel | - |
| Front tyre | 100/80-10 | 120/90-10 |
| Rear tyre | 120/70-10 | 150/80-10 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Dimensions | ||
| Wheelbase (mm) | 1,180 | 1,172 |
| Dry weight (kg) | 76 | 75 |
| Power/weight ratio | - | 0.0307 |
| Overall length (mm) | 1,670 | 1,685 |
| Overall width (mm) | 700 | 675 |
| Seat height (mm) | 750 | 768 |
| Ground clearance (mm) | - | 124 |
| Performance | ||
| Top speed (km/h) | 48 | - |
| Fuel capacity (l) | 7.5 | 5.3 |
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