| Attribute | UM Scrambler X × | Perks and Birch Singer 2hp 1900 × |
|---|---|---|
| General | ||
| Production from (year) | 2018 | 1900 |
| Make | UM | Perks and Birch |
| Model | UM Scrambler X | Perks and Birch Singer 2hp |
| Category | Prototype / concept model | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | - | Carburettor. Surface carburettor |
| Engine details | - | Engine mounted in rear wheel |
| Displacement (cm³) | 230 | 208 |
| Power (kw) | - | 1.5 |
| Cooling system | - | Air |
| Transmission type,final drive | Chain | - |
| Driveline | - | Spur-gear transmission |
| Ignition | - | Low-tension magneto spark |
| Chassis | ||
| Front suspension | Telescopic fork | - |
| Rear suspension | Single shock | - |
| Front brakes | Single disc | - |
| Rear brakes | Single disc | - |
| Frame type | - | Steel |
| Wheels | Spoked. Offroad tyres. | 8-spoke rear wheel with engine, the world´s first cast-alloy vehicle wheel. |
| Other | ||
| Starter | Electric | - |
| Color options |
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