Comparison of Derbi GP1 250 2007 and UM Arrow 150 [S]ave
| Attribute |  Derbi GP1 250 2007 × |  UM Arrow 150 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2019 |
| Make | Derbi | UM |
| Model | Derbi GP1 250 | UM Arrow 150 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor. Keihin CVK 303 A | Carburettor |
| Displacement (cm³) | 248.2 | 149.6 |
| Cooling system | Liquid | Air |
| Bore (mm) | 72 | 57.4 |
| Stroke (mm) | 60 | 57.7 |
| Clutch | Automatic | - |
| Lubrication system | Oil pump | - |
| Compression | 10.5:1 | 9.2:1 |
| Chassis | ||
| Front suspension | Upside down hydraulic fork | - |
| Rear suspension | Single shock | - |
| Front brakes | Single disc. Ventilated | Single disc |
| Rear brakes | Single disc. Ventilated | Single disc |
| Diameter (mm) | 240 | 216 |
| Front tyre | 120/70-14 | 110/90-12 |
| Rear tyre | 140/60-14 | - |
| Front wheel travel (mm) | 100 | - |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,374 | 1,397 |
| Dry weight (kg) | - | 120 |
| Overall height (mm) | 1,228 | 1,372 |
| Overall length (mm) | 1,914 | 2,032 |
| Overall width (mm) | 800 | 813 |
| Performance | ||
| Fuel capacity (l) | 11 | 9.46 |
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