Comparison of Aprilia RS4 50 2013 and Rieju SMX 50 fr [S]ave
| Attribute |  Rieju SMX 50 fr × |  Aprilia RS4 50 2013 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2013 |
| Make | Rieju | Aprilia |
| Model | Rieju SMX 50 fr | Aprilia RS4 50 |
| Category | Super motard | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell´Orto PHBN 16 | Carburettor |
| Displacement (cm³) | 50 | 49.9 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 40.3 | 39.9 |
| Stroke (mm) | 39 | 39.9 |
| Gearbox | 6-speed | 6-speed |
| Emission details | - | Euro 2 |
| Driveline | - | Chain, 11/53. Primary drive: Gears, 21/78. |
| Ignition | - | Electronic with CDI capacity discharge |
| Clutch | - | Multiplate wet clutch |
| Lubrication system | Separate mixture | Automatic mixer |
| Compression | - | 11.5:1 |
| Exhaust system | Muffler with steel silencer | - |
| Chassis | ||
| Front suspension | Fork of Ø36mm. | 41 mm upside down fork, wheel travel 110 mm |
| Rear suspension | Mono-shock shock absorber PRS system | Asymmetric swingarm with monoshock, wheel travel 130 mm |
| Front brakes | Single disc | Single disc. radial 4 piston calliper |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 200 | 218 |
| Frame type | Double cradle. Highly resistant steel perimeter | - |
| Front tyre | 100/80-17 | 100/80-17 |
| Rear tyre | 130/70-17 | 130/70-17 |
| Wheels | - | Light alloy with 6 split spokes, with sealing profile for tubeless tyres; front: 2.75 x 17in.; rear: 3.50 x 17in. |
| Other | ||
| Starter | - | Electric |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,332 | 1,350 |
| Dry weight (kg) | 94 | - |
| Overall height (mm) | 1,150 | 1,138 |
| Overall length (mm) | 1,970 | 1,953 |
| Overall width (mm) | 750 | 740 |
| Seat height (mm) | 840 | 820 |
| Performance | ||
| Reserve fuel capacity (l) | - | 3.5 |
| Fuel capacity (l) | 8.4 | 14.5 |
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