Comparison of Jawa-CZ 50 Robby 2007 and Polini XP 4 Street 50 2010 [S]ave
| Attribute |  Jawa-CZ 50 Robby 2007 × |  Polini XP 4 Street 50 2010 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2010 |
| Make | Jawa-CZ | Polini |
| Model | Jawa-CZ 50 Robby | Polini XP 4 Street 50 |
| Category | Sport | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor. Mikuni 16 |
| Displacement (cm³) | 49.5 | 49 |
| Power (kw) | 2.4 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 3.2 | - |
| Bore (mm) | 39 | 39 |
| Stroke (mm) | 41.4 | 41 |
| Gearbox | 4-speed | 4-speed |
| Ignition | - | Electronic |
| Clutch | - | Multidisc in oilbath |
| Compression | 8.5:1 | 9.5:1 |
| Chassis | ||
| Front suspension | Telescopic forks 80mm | Hydraulic fork 33mm |
| Rear suspension | Hydraulic telescopic 70mm | Adjustable monoshock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Diameter (mm) | 124 | 150 |
| Front tyre | -. | 3.50-10 |
| Rear tyre | - | 3.50-10 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,200 | 1,150 |
| Dry weight (kg) | 80 | 68 |
| Power/weight ratio | 0.03 | - |
| Seat height (mm) | 730 | 790 |
| Performance | ||
| Top speed (km/h) | 48 | - |
| Fuel capacity (l) | - | 3 |
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