Comparison of Beta Ark 50 X and MBK Nitro Naked 2006 [S]ave
| Attribute |  Beta Ark 50 X × |  MBK Nitro Naked 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2006 |
| Make | Beta | MBK |
| Model | Beta Ark 50 X | MBK Nitro Naked |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell´Orto PHVA 12 HS | Carburettor |
| Displacement (cm³) | 49 | 49 |
| Power (kw) | - | 2 |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Belt | - |
| Torque (Nm) | - | 3.7 |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.2 | 39.2 |
| Gearbox | Automatic | - |
| Ignition | Electronic Ducati 12V - 60W | Electronic (C.D.I.) |
| Clutch | Dry automatic centrifugal type | - |
| Lubrication system | With mechanical pump - gasoline-oil 1,5% (with synthetic oil) | Separate lubrication |
| Compression | 12.0:1 | 7.4:1 |
| Chassis | ||
| Front suspension | Hydraulic fork with ø32 mm shaft | Hydraulic and telescopic fork |
| Rear suspension | Monoshock with adjustable spring preload | Hydraulic unit swing |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 190 | 190 |
| Frame type | tubular steel | - |
| Front tyre | 130/60-13 | 130/60-13 |
| Rear tyre | 130/60-13 | 140/60-13 |
| Front wheel travel (mm) | 32 | - |
| Other | ||
| Starter | - | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,240 | 1,256 |
| Dry weight (kg) | 88 | 92 |
| Power/weight ratio | - | 0.0217 |
| Overall height (mm) | 1,150 | 1,146 |
| Overall length (mm) | 1,740 | 1,743 |
| Overall width (mm) | 750 | 719 |
| Seat height (mm) | 830 | 828 |
| Ground clearance (mm) | 215 | 185 |
| Performance | ||
| Reserve fuel capacity (l) | 1.3 | - |
| Fuel capacity (l) | 7.5 | 26.49 |
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