01 November. Saturday 2025
Aprilia RX 50 - 2011 Specifications and Reviews
About the Aprilia RX 50
Powered by a Euro 2 compliant liquid cooled 49.9cc single cylinder two stroke engine, producing about 6 bhp. RRP the RX50 was introduced in 2006.
The engine itself weighs just 15kg and by just including a kick start Aprilia shaved even more off.
The Aprilia SX50 is essentially the same bike but with 17" wheels, road going tyres, a larger 300mm front disc and a 50mm lower seat. Both bikes can be limited for 16 year olds or derestricted to unlock the 50mph top speed.
The wire-spoked 21" front wheel takes a 90/90 tyre and the rear 18" a 110/80.
Engine and Transmission Specifications | |
| Exhaust system | Catalytic converter |
| Driveline | Primary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 11/53 |
| Clutch | Multi-plate |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Automatic mixer |
| Ignition | Electronic C.D.I |
| Fuel system | Carburettor. DELLORTO PVHA 17.5 |
| Bore x stroke | 39.9 x 40.0 mm (1.6 x 1.6 inches) |
| Engine details | Light alloy cylinder |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.90 ccm (3.04 cubic inches) |
| Category | Enduro / offroad |
| Year | 2011 |
| Model | Aprilia RX 50 |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Spoked wheels with aluminium rim |
| Rear brakes diameter | 180 mm (7.1 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 110/80-18 |
| Front tyre dimensions | 90/90-21 |
| Rear suspension travel | 180 mm (7.1 inches) |
| Rear suspension | High strength steel swingarm |
| Front suspension travel | 195 mm (7.7 inches) |
| Front suspension | 40 mm hydraulic fork with leading axle. |
| Frame type | Steel beam |
Physical measures and capacities | |
| Fuel capacity | 7.00 litres (1.85 gallons) |
| Wheelbase | 1,406 mm (55.4 inches) |
| Overall length | 2,045 mm (80.5 inches) |
| Seat height | 830 mm (32.7 inches) If adjustable, lowest setting. |
Other specs | |
| Comments | Racing driver and race car manufacturer Dan Gurney is the inventor of the Alligator motorcycle. |
| Wheelbase | 1,524 mm (60.0 inches) |
| Dry weight | 145.2 kg (320.0 pounds) |
| Rear wheel travel | 114 mm (4.5 inches) |
| Rear Suspension | Dual Shock absorbers |
| Front wheel travel | 109 mm (4.3 inches) |
| Front Suspension | 43mm inverted cartridge fork |
| 0-100 km/h (0-62 mph) | 3.100 seconds |
| Top speed | 225.3 km/h (140.0 mph) |
| Capacity: | 710.00 ccm (43.32 cubic inches) |
| Model | Alligator A-6 |
| Color options | White |
| Starter | Kick |
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