Comparison of Factory Bike Chrono SM 50 2004 and Rieju MRX [S]ave
| Attribute |  Rieju MRX × |  Factory Bike Chrono SM 50 2004 × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2004 |
| Make | Rieju | Factory Bike |
| Model | Rieju MRX | Factory Bike Chrono SM 50 |
| Category | Cross / motocross | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell´ortho PHBN 14-12 | Carburettor |
| Displacement (cm³) | 50 | 49.7 |
| Power (kw) | 6.9 | - |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 39 | 40.3 |
| Stroke (mm) | 40.3 | 39 |
| Gearbox | 6-speed | 6-speed |
| Lubrication system | Automix | - |
| Compression | 12.0:1 | 12.0:1 |
| Exhaust system | Aluminum silencer | - |
| Chassis | ||
| Front suspension | Showa advantage with inverted bracket | PAIOLI Hydraulic, 36 mm |
| Rear suspension | Showa | Shock-Absorber PAIOLI |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 200 | 220 |
| Frame type | Perimetral of double beam in steel. | Hardened steel CrMo. |
| Front tyre | 80/90-21 | 100/80-17 |
| Rear tyre | 110/80-18 | 130/70-18 |
| Other | ||
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,332 | 1,370 |
| Kerb weight (kg) | - | 80 |
| Overall height (mm) | 1,170 | 1,170 |
| Overall length (mm) | 2,050 | 1,990 |
| Overall width (mm) | 800 | 810 |
| Performance | ||
| Fuel capacity (l) | 8.4 | 7.5 |
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