Comparison of DB Motors Pirat Air 2009 and Lem Four X-R 2006 [S]ave
| Attribute |  Lem Four X-R 2006 × |  DB Motors Pirat Air 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2009 |
| Make | Lem | DB Motors |
| Model | Lem Four X-R | DB Motors Pirat Air |
| Category | Minibike, cross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor | Carburettor. Dell’orto PHBG 19 |
| Displacement (cm³) | 124 | 49.8 |
| Power (kw) | 6.2 | 8 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 52.4 | 39 |
| Stroke (mm) | 55.5 | 41.7 |
| Gearbox | 4-speed | Automatic |
| Ignition | CDI | Electronic |
| Clutch | - | Automatic centrifugal |
| Lubrication system | - | EURO unleaded Nc 623-02 R.O.N. 95. Oil and premium grade gasoline mixture at 2% |
| Compression | - | 14.5:1 |
| Exhaust system | - | Racing-type with aluminium muffler |
| Chassis | ||
| Front suspension | - | Magnum |
| Rear suspension | - | Special racing |
| Front brakes | Single disc | Single disc. Hydr. master cylinder and calliper |
| Rear brakes | Expanding brake (drum brake) | Single disc. Hydr. master cylinder and caliper |
| Diameter (mm) | 90 | 160 |
| Frame type | - | Single steel beam frame |
| Front tyre | 2.50-12 | - |
| Rear tyre | 2.75-10 | - |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,060 | 957 |
| Dry weight (kg) | 56 | 44 |
| Power/weight ratio | 0.1095 | 0.1818 |
| Overall length (mm) | 1,460 | 1,400 |
| Overall width (mm) | - | 300 |
| Seat height (mm) | 700 | 690 |
| Performance | ||
| Fuel capacity (l) | - | 4.2 |
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