Comparison of Kuberg Start 2017 and Polini 911 AIR [S]ave
| Attribute |  Polini 911 AIR × |  Kuberg Start 2017 × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2017 |
| Make | Polini | Kuberg |
| Model | Polini 911 AIR | Kuberg Start |
| Category | Minibike, sport | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Electric |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 39.7 | - |
| Power (kw) | 4.5 | 1 |
| Cooling system | - | Air |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 36 | - |
| Stroke (mm) | 39 | - |
| Gearbox | - | 1-speed |
| Clutch | Dry with centrifugal counter weights | No clutch |
| Chassis | ||
| Front suspension | - | Spring fork |
| Rear suspension | - | Spring |
| Front brakes | - | Expanding brake (drum brake) |
| Rear brakes | - | Expanding brake (drum brake) |
| Frame type | Reinforced die cast light alloy | Steel double cradle tube frame, powder-coated |
| Front tyre | - | 2.40-12.5 |
| Rear tyre | - | 2.40-12.5 |
| Wheels | - | Optional seat |
| Other | ||
| Starter | - | Electric |
| Color options | - |
|
| Dimensions | ||
| Dry weight (kg) | 22 | 21 |
| Power/weight ratio | 0.2045 | 0.0476 |
| Overall length (mm) | - | 82 |
| Seat height (mm) | 455 | 390 |
| Performance | ||
| Top speed (km/h) | - | 24 |
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