| Attribute | UM Arrow 150 × | Derbi GP1 250 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2019 | 2006 |
| Make | UM | Derbi |
| Model | UM Arrow 150 | Derbi GP1 250 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Carburettor | Carburettor. Keihin CVK 303 A |
| Displacement (cm³) | 149.6 | 248.2 |
| Cooling system | Air | Liquid |
| Bore (mm) | 57.4 | 72 |
| Stroke (mm) | 57.7 | 60 |
| Clutch | - | Automatic |
| Lubrication system | - | Oil pump |
| Compression | 9.2:1 | 10.5:1 |
| Chassis | ||
| Front suspension | - | Upside down hydraulic fork |
| Rear suspension | - | Single shock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 216 | 240 |
| Front tyre | 110/90-12 | 120/70-14 |
| Rear tyre | - | 140/60-14 |
| Front wheel travel (mm) | - | 100 |
| Other | ||
| Starter | Electric & kick | Electric |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,397 | 1,374 |
| Dry weight (kg) | 120 | 110 |
| Overall height (mm) | 1,372 | 1,228 |
| Overall length (mm) | 2,032 | 1,940 |
| Overall width (mm) | 813 | 800 |
| Performance | ||
| Fuel capacity (l) | 9.46 | - |