Aprilia RX 50 - 2008 Specifications and Reviews
The 2008 Aprilia RX 50 is a lightweight enduro bike ideal for young riders and beginners seeking off-road adventure. Its compact 50cc liquid-cooled engine delivers manageable performance with a low 880mm seat height for easy ground reach. Known for nimble handling and reliability, the RX 50 excels on trails and technical terrain where its small displacement proves advantageous.
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 | |
| Clutch | Multi-plate |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Automatic mixer |
| Ignition | Electronic C.D.I |
| Fuel system | Carburettor |
| Bore x stroke | 39.9 x 40.0 mm (1.6 x 1.6 inches) |
| Compression | 11.5:1 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 49.90 ccm (3.04 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,412 mm (55.6 inches) |
| Overall width | 825 mm (32.5 inches) |
| Overall length | 2,100 mm (82.7 inches) |
| Seat height | 880 mm (34.6 inches) If adjustable, lowest setting. |
Aprilia RX 50 dimensions and frame | |
| Exhaust system | Catalytic converter |
| Rear brakes diameter | 180 mm (7.1 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 110/80-18 |
| Front tyre dimensions | 90/90-21 |
| Rear suspension | High strength steel swingarm |
| Front suspension | 40 mm hydraulic fork with leading axle, wheel travel 195 mm. |
| Frame type | Steel beam |
Speed and acceleration | |
| Fuel capacity | 7.00 litres (1.85 gallons) |
| Category | Enduro / offroad |
| Year | 2008 |
| Model | Aprilia RX 50 |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | This is a learner-legal 50cc machine best suited to new or younger riders taking their first steps on two wheels. |
| Purpose | It's designed as a supermoto-styled commuter and playbike for short urban and suburban trips rather than serious performance riding. |
| Rider Fit | Its low 132 kg weight and 860 mm seat height make it easy to handle and confidence-inspiring for smaller or less experienced riders. |
| Character | Nimble, light, and eager-revving, it rewards flicking through traffic and tight corners rather than outright straight-line speed. |
| Not Ideal For | It's not the right choice for highway touring, carrying a passenger comfortably, or riders wanting real power on tap. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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