Comparison of BSA Y13 1937 and Vincent HRD Series A Rapide 1945 [S]ave
| Attribute |  Vincent HRD Series A Rapide 1945 × |  BSA Y13 1937 × |
|---|---|---|
| General | ||
| Production from (year) | 1945 | 1937 |
| Make | Vincent HRD | BSA |
| Model | Vincent HRD Series A Rapide | BSA Y13 |
| Category | Allround | Cross / motocross |
| Engine and transmission | ||
| Engine type | V2, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor. Amal | Carburettor. Amal monoblock |
| Engine details | 47.5 degree V-twin | - |
| Displacement (cm³) | 998 | 748 |
| Power (kw) | 32.8 | 14.2 |
| Cooling system | - | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 84 | 71 |
| Stroke (mm) | 90 | 94 |
| Gearbox | 4-speed | - |
| Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
| Ignition | - | Lucas |
| Clutch | - | Multiplate dry |
| Lubrication system | - | Dry sump |
| Compression | 6.8:1 | - |
| Chassis | ||
| Front suspension | Gilder fork with coil over shock | Quick adjustable shock-streering damper |
| Rear suspension | Triangulated swingarm with coil over shocks | None-rigid |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | - | 7 |
| Frame type | - | Duplex cradle |
| Front tyre | - | 4.00-18 |
| Rear tyre | - | 4.00-18 |
| Seat | Feridax Dunopillo Dualseat | Single seat |
| Other | ||
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,410 | 1,372 |
| Kerb weight (kg) | 206.4 | 204 |
| Performance | ||
| Top speed (km/h) | 177 | - |
| Fuel capacity (l) | - | 17 |
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