Aprilia SX 50 - 2008 Specifications and Reviews
The 2008 Aprilia SX 50 is an entry-level super motard designed for young riders and beginners seeking stylish street performance. Its lightweight 50cc single-cylinder engine and nimble chassis deliver agile handling and easy maneuverability in urban environments. Known for combining playful character with practical commuting capability, it remains a popular choice for riders transitioning to larger motorcycles.
About the Aprilia SX 50
Powered by a Euro 2 compliant liquid cooled 49.9cc single cylinder two stroke engine, producing around 6 bhp.
The engine itself only weighs 15kg and by only including a kick starter Aprilia shaved even more off.
The Aprilia RX50 is essentially the same bike but with larger spoked wheels, off-road tyres, a smaller front disc and a 50mm higher seat. Both bikes can be limited for 16 year olds or derestricted to unlock the 50mph top speed.
The wire-spoked 17" wheel takes a 110/80 tyre at the front and 130/70 at the rear.
Engine and Transmission Specifications | |
| Clutch | Multi-plate |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Automatic mixer |
| Starter | Kick |
| 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 | 1,406 mm (55.4 inches) |
| Overall width | 825 mm (32.5 inches) |
| Overall length | 2,045 mm (80.5 inches) |
| Seat height | 830 mm (32.7 inches) If adjustable, lowest setting. |
| | |
Aprilia SX 50 dimensions and frame | |
| Exhaust system | Catalytic converter |
| 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 | 130/70-17 |
| Front tyre dimensions | 110/80-17 |
| 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 | Super motard |
| Year | 2008 |
| Model | Aprilia SX 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 | Best suited to young or novice riders, often pre-licence teens, learning throttle control and bike handling in a low-stakes environment. |
| Purpose | Built as a lightweight supermoto-styled 50cc machine for playful street riding, learner training, and short sporty jaunts rather than serious performance. |
| Rider Fit | Its featherweight 99 kg build and low-effort controls make it extremely easy to handle and flick around for smaller or lighter riders. |
| Character | A cheeky, nimble little supermoto that encourages flickable, energetic riding despite its modest two-stroke power output. |
| Not Ideal For | Not suitable for taller or heavier adults, highway commuting, or anyone wanting real straight-line speed or long-distance comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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