Comparison of Beta Minicross R 12 2008 and CH Racing CH 511 Racing Big Wheels 2009 [S]ave
| Attribute |  Beta Minicross R 12 2008 × |  CH Racing CH 511 Racing Big Wheels 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2009 |
| Make | Beta | CH Racing |
| Model | Beta Minicross R 12 | CH Racing CH 511 Racing Big Wheels |
| Category | Minibike, cross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell´Orto SHA 14 - 12L | Carburettor. DELL´ORTO PHBG 14 MS |
| Displacement (cm³) | 49 | 49.7 |
| Power (kw) | - | 5.8 |
| Cooling system | Air | Air |
| Bore (mm) | 39.5 | - |
| Stroke (mm) | 40 | - |
| Gearbox | Automatic | - |
| Clutch | Wet automatic centrifugal type | - |
| Compression | 12.5:1 | - |
| Chassis | ||
| Front suspension | Mechanical fork with ø30 mm shaft | Telescopic fork |
| Rear suspension | - | Single shock absorber |
| Front brakes | Expanding brake (drum brake) | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 90 | 175 |
| Frame type | Steel tubing | Steel |
| Front tyre | 2.5-15 | 2.50-14 |
| Rear tyre | 3-12 | 3.00-12 |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,100 | 1,100 |
| Dry weight (kg) | 46 | 40 |
| Power/weight ratio | - | 0.145 |
| Overall height (mm) | 990 | 940 |
| Overall length (mm) | 1,580 | 1,500 |
| Overall width (mm) | 670 | 630 |
| Seat height (mm) | 740 | 735 |
| Ground clearance (mm) | 280 | 280 |
| Performance | ||
| Reserve fuel capacity (l) | 0.3 | - |
| Fuel capacity (l) | 2 | 2.8 |
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