Comparison of CH Racing CH 509 Pro Senior 2009 and Lem CX2 [S]ave
| Attribute |  CH Racing CH 509 Pro Senior 2009 × |  Lem CX2 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2006 |
| Make | CH Racing | Lem |
| Model | CH Racing CH 509 Pro Senior | Lem CX2 |
| Category | Minibike, cross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Valves per cylinder | - | 1 |
| Fuel system | Carburettor. DELL´ORTO PHBG 19 BS | - |
| Displacement (cm³) | 49.7 | 49.8 |
| Power (kw) | 8.8 | 2.3 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | - | 1.6 |
| Gearbox | - | Automatic |
| Clutch | - | Centrifugal wet |
| Lubrication system | - | 3% mixture |
| Chassis | ||
| Front suspension | Telescopic hydraulic fork | - |
| Rear suspension | Single shock absorber | - |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 175 | 90 |
| Frame type | - | Oval steel tube |
| Front tyre | 2.50-12 | - |
| Rear tyre | 2.50-10 | - |
| Other | ||
| Starter | Kick | - |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,024 | 909 |
| Dry weight (kg) | 35 | 34 |
| Power/weight ratio | 0.2514 | 0.0676 |
| Overall length (mm) | 1,400 | 1,300 |
| Seat height (mm) | 678 | 605 |
| Ground clearance (mm) | 250 | 221 |
| Performance | ||
| Fuel capacity (l) | 2.8 | 2 |
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