Comparison of BamX BX400-S Assault and Enfield Thunderbird [S]ave
| Attribute |  BamX BX400-S Assault × |  Enfield Thunderbird × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2007 |
| Make | BamX | Enfield |
| Model | BamX BX400-S Assault | Enfield Thunderbird |
| Category | ATV | Classic |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor. CV |
| Displacement (cm³) | 387 | 346 |
| Power (kw) | 13.9 | 13.1 |
| Cooling system | Oil & air | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 25 | 27.5 |
| Bore (mm) | 83 | 70 |
| Stroke (mm) | 71.6 | 90 |
| Gearbox | 6-speed | 4-speed |
| Fuel control | - | Overhead Valves (OHV) |
| Ignition | CDI | Digital TCI |
| Clutch | - | Wet mulitiplate |
| Lubrication system | Pressure/Splash | Dry sump |
| Compression | 9.5:1 | 7.3:1 |
| Chassis | ||
| Front suspension | Double A-Arm | - |
| Rear suspension | Swing Arm | - |
| Front brakes | Single disc | Expanding brake (drum brake) |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | - | 152 |
| Front tyre | 21/7-10 | - |
| Rear tyre | 20/10-9 | - |
| Other | ||
| Starter | Electric | Kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,219 | 1,370 |
| Dry weight (kg) | 193 | 163 |
| Power/weight ratio | 0.0719 | 0.0804 |
| Ground clearance (mm) | 152 | 140 |
| Performance | ||
| Top speed (km/h) | - | 110 |
| Fuel capacity (l) | 9 | 14.5 |
| Oil capacity (l) | 1.6 | - |
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