Comparison of Aprilia RX 50 Racing 2006 and Suzuki RM 125 2003 [S]ave
| Attribute |  Suzuki RM 125 2003 × |  Aprilia RX 50 Racing 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2003 | 2006 |
| Make | Suzuki | Aprilia |
| Model | Suzuki RM 125 | Aprilia RX 50 Racing |
| Category | Cross / motocross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. Dell’Orto PHBN 16 |
| Displacement (cm³) | 124 | 49.7 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 54 | 40.3 |
| Stroke (mm) | 54.5 | 39 |
| Gearbox | 6-speed | 5-speed |
| Ignition | - | Electronic capacitive discharge |
| Lubrication system | - | Separate mixing variable capacity load |
| Compression | 8.9:1 | 12.0:1 |
| Exhaust system | - | Exhaust pipe with catalyser |
| Chassis | ||
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Front tyre | 80/100-21 | 80/90-21 |
| Rear tyre | 100/90-19 | 110/80-18 |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,450 | 1,400 |
| Dry weight (kg) | 87 | 98 |
| Overall length (mm) | 2,145 | 2,060 |
| Overall width (mm) | 840 | 880 |
| Seat height (mm) | 940 | 940 |
| Ground clearance (mm) | 350 | 350 |
| Performance | ||
| Fuel capacity (l) | 8 | 9.5 |
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