Comparison of AJS Eco-3 and UM Fastwind 125 [S]ave
| Attribute |  AJS Eco-3 × |  UM Fastwind 125 × |
|---|---|---|
| General | ||
| Production from (year) | 2016 | 2010 |
| Make | AJS | UM |
| Model | AJS Eco-3 | UM Fastwind 125 |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | - |
| Engine details | Balance shaft | - |
| Displacement (cm³) | 124 | 125 |
| Power (kw) | 7.3 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 54 | 56 |
| Stroke (mm) | 54 | 49.5 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Overhead Cams (OHC) | Single Overhead Cams (SOHC) |
| Ignition | Coil CDI | CDI |
| Compression | - | 9.0:1 |
| Chassis | ||
| Front suspension | USD telefork | Telescopic Fork |
| Rear suspension | Pro Shock linked. | Swingarm with gas shock absorbers |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 2.75-18 | - |
| Rear tyre | 100/90-18 | 110/90-16 |
| Wheels | Blacked out alloy wheels | - |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
|
|
| Electrical Voltage (V) | 12 | - |
| Dimensions | ||
| Wheelbase (mm) | 1,275 | 1,275 |
| Dry weight (kg) | 110 | 125 |
| Power/weight ratio | 0.0664 | - |
| Overall height (mm) | 1,140 | 1,170 |
| Overall length (mm) | 1,970 | 2,000 |
| Overall width (mm) | 750 | 750 |
| Seat height (mm) | 760 | 760 |
| Performance | ||
| Top speed (km/h) | 96 | - |
| Fuel capacity (l) | 10 | 17.4 |
| Battery capacity (Ah) | 6 | - |
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