Comparison of Bultaco Metralla 1964 and Perks and Birch Singer 2hp 1900 [S]ave
| Attribute |  Perks and Birch Singer 2hp 1900 × |  Bultaco Metralla 1964 × |
|---|---|---|
| General | ||
| Production from (year) | 1900 | 1964 |
| Make | Perks and Birch | Bultaco |
| Model | Perks and Birch Singer 2hp | Bultaco Metralla |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Surface carburettor | Carburettor |
| Engine details | Engine mounted in rear wheel | - |
| Displacement (cm³) | 208 | 200 |
| Power (kw) | 1.5 | - |
| Cooling system | Air | Air |
| Driveline | Spur-gear transmission | - |
| Ignition | Low-tension magneto spark | - |
| Clutch | - | Wet multiplate |
| Chassis | ||
| Frame type | Steel | - |
| Seat | - | Dual |
| Wheels | 8-spoke rear wheel with engine, the world´s first cast-alloy vehicle wheel. | Spoked |
| Other | ||
| Color options |
| - |
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