| Attribute | BucciMoto BR1-F4 Cross 10-12 × | Polini XP 4T Minicross 125 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2016 |
| Make | BucciMoto | Polini |
| Model | BucciMoto BR1-F4 Cross 10-12 | Polini XP 4T Minicross 125 |
| Category | Cross / motocross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor. Mikuni 24 mm | Carburettor. Mikuni 22 |
| Engine details | - | Reed valve. |
| Displacement (cm³) | 150 | 120.7 |
| Power (kw) | 8 | - |
| Cooling system | Oil & air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 56.5 | 52.4 |
| Stroke (mm) | 59 | 56 |
| Gearbox | - | 4-speed |
| Ignition | C.D.I. | Electronic |
| Clutch | Wet plate | - |
| Compression | - | 9.5:1 |
| Chassis | ||
| Front suspension | UPSD Paioli | 33 mm fork |
| Rear suspension | Sachs monoshock | Adjustable monoshock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 180 | 150 |
| Frame type | CrMo | Steel |
| Front tyre | 2.75-10 | 60/100-14 |
| Rear tyre | 3.00-12 | 80/100-12 |
| Other | ||
| Starter | - | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,150 | 1,150 |
| Dry weight (kg) | 62 | 60 |
| Power/weight ratio | 0.129 | - |
| Seat height (mm) | 830 | 790 |
| Performance | ||
| Fuel capacity (l) | 3.5 | 3 |