Comparison of AJS Exactly 50 2009 and Sonik Alpha [S]ave
| Attribute |  Sonik Alpha × |  AJS Exactly 50 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2013 | 2009 |
| Make | Sonik | AJS |
| Model | Sonik Alpha | AJS Exactly 50 |
| Category | Allround | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 70 | 40 |
| Power (kw) | 6.2 | 1.9 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Belt |
| Bore (mm) | 50 | 40 |
| Stroke (mm) | 50 | 39.2 |
| Gearbox | 5-speed | Automatic |
| Ignition | - | Coil CDI |
| Compression | 6.6:1 | - |
| Chassis | ||
| Front suspension | Telescopic hydraulic fork | Telefork |
| Rear suspension | Double shock with compression springs | Single shocks |
| Front brakes | Single disc. Hydraulic. | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Steel | - |
| Front tyre | 2.50-17 | 120/70-12 |
| Rear tyre | 2.50-17 | 130/70-12 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,300 | 1,290 |
| Dry weight (kg) | 118 | 87 |
| Power/weight ratio | 0.0525 | 0.0218 |
| Seat height (mm) | 770 | 775 |
| Performance | ||
| Fuel capacity (l) | 8 | 4.7 |
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