14 August. Friday 2026
Aprilia RS4 50 - 2013 Specifications and Reviews
The 2013 Aprilia RS4 50 is a sporty entry-level motorcycle designed for young riders and beginners seeking an affordable performance machine. Its lightweight two-stroke engine and aggressive styling deliver genuine sportbike character in a manageable 50cc package, making it ideal for riders progressing from scooters to serious motorcycling.
Replacement for the: 2011 Aprilia RS50
About the Aprilia RS4 50
Launched in 2011, the two stroke RS4 50 replaced the outgoing 2011 Aprilia RS50. It is also the little brother to the Aprilia RS4 125.
Styled on the RSV4 superbike.
Engine and Transmission Specifications | |
| Emission details | Euro 2 |
| Driveline | Chain, 11/53. Primary drive: Gears, 21/78. |
| Clutch | Multiplate wet clutch |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Automatic mixer |
| Ignition | Electronic with CDI capacity discharge |
| Fuel system | Carburettor |
| Bore x stroke | 39.9 x 39.9 mm (1.6 x 1.6 inches) |
| Compression | 11.5:1 |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.90 ccm (3.04 cubic inches) |
| | |
| Category | Sport |
| Year | 2013 |
| Model | Aprilia RS4 50 |
Brakes, suspension, Frame and wheels | |
| Wheels | Light alloy with 6 split spokes, with sealing profile for tubeless tyres; front: 2.75 x 17in.; rear: 3.50 x 17in. |
| Rear brakes diameter | 218 mm (8.6 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. radial 4 piston calliper |
| Rear tyre dimensions | 130/70-17 |
| Front tyre dimensions | 100/80-17 |
| Rear suspension | Asymmetric swingarm with monoshock, wheel travel 130 mm |
| Front suspension | 41 mm upside down fork, wheel travel 110 mm |
Physical measures and capacities | |
| Reserve fuel capacity | 3.50 litres (0.92 gallons) |
| Fuel capacity | 14.50 litres (3.83 gallons) |
| Wheelbase | 1,350 mm (53.1 inches) |
| Overall width | 740 mm (29.1 inches) |
| Overall length | 1,953 mm (76.9 inches) |
| Overall height | 1,138 mm (44.8 inches) |
| Seat height | 820 mm (32.3 inches) If adjustable, lowest setting. |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Racing white, Racing black |
| Starter | Electric |
Performance Profile & Rider Fit
Best For
Track65%
City75%
Cornering85%
Daily Riding45%
Touring15%
Passenger15%
Rider Profile
| Best For | This bike suits new and young riders, often learner-legal, who are building fundamental skills before moving to bigger machines. |
| Purpose | It's designed as a lightweight sport replica for learning aggressive riding position and cornering technique at low speeds and low risk. |
| Rider Fit | Its small dimensions and low weight make it very manageable for smaller or less physically strong riders. |
| Character | It has the sharp, aggressive styling and track-inspired ergonomics of a full-size superbike shrunk into a playful, high-revving 50cc package. |
| Not Ideal For | It's not suitable for riders wanting real highway speed, long-distance comfort, or the ability to carry a passenger with ease. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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