Comparison of CH Racing CH 509 Pro Senior 2009 and Lem Four X Motard [S]ave
| Attribute |  CH Racing CH 509 Pro Senior 2009 × |  Lem Four X Motard × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2019 |
| Make | CH Racing | Lem |
| Model | CH Racing CH 509 Pro Senior | Lem Four X Motard |
| Category | Minibike, cross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. DELL´ORTO PHBG 19 BS | - |
| Displacement (cm³) | 49.7 | 107 |
| Power (kw) | 8.8 | 5.1 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | - | 52.4 |
| Stroke (mm) | - | 49.5 |
| Gearbox | - | 4-speed |
| Fuel control | - | Overhead Cams (OHC) |
| Ignition | - | CDI |
| Exhaust system | - | With silencer |
| Chassis | ||
| Front suspension | Telescopic hydraulic fork | Hydraulic Front Fork |
| Rear suspension | Single shock absorber | Hydraulic monoshock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 175 | 80 |
| Frame type | - | Oval steel tube frame |
| Front tyre | 2.50-12 | 90/90-10 |
| Rear tyre | 2.50-10 | 90/90-10 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,024 | 1,010 |
| Dry weight (kg) | 35 | 61 |
| Power/weight ratio | 0.2514 | 0.0828 |
| Overall length (mm) | 1,400 | 1,415 |
| Seat height (mm) | 678 | 670 |
| Ground clearance (mm) | 250 | 215 |
| Performance | ||
| Fuel capacity (l) | 2.8 | 2 |
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