Aprilia RS 50 - 2021 Specifications and Reviews

The 2021 Aprilia RS 50 is an entry-level sport motorcycle ideal for new riders and commuters seeking an agile, lightweight performer. Its liquid-cooled two-stroke engine delivers responsive power in a compact package, while the 6-speed gearbox ensures versatility across various riding conditions. Known for its sharp styling and nimble handling, the RS 50 excels in urban environments and tight roads.

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Engine and Transmission Specifications

Emission detailsEuro 4
Greenhouse gases57.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption2.49 litres/100 km (40.2 km/l or 94.47 mpg)
DrivelinePrimary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 14/53
ClutchMulti-plate
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemAutomatic mixer
IgnitionElettronica C.D.I.
Fuel systemCarburettor. Dell’Orto PHVA - Ø14
Bore x Stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Compression11.5:1
Engine typeSingle cylinder, two-stroke
Capacity:50.0 ccm (3.05 cubic inches)
 
 

CategorySport
Year2021
ModelAprilia RS 50

Brakes, suspension, Frame and wheels

Wheels6 split spoke wheel rim in lightweight alloy
Rear brakesSingle disc. Single piston calliper
Diameter300 mm (11.8 inches)
Front brakesSingle disc. Radial caliper with two 28 mm opposed pistons
Rear tire130/70-17
Front tire100/80-17
Rear wheel travel110 mm (4.3 inches)
Rear SuspensionAsymmetrical swingarm, Monoschock absorber
Front wheel travel110 mm (4.3 inches)
Front Suspension40 mm upside down fork
Frame typeAluminium perimeter frame
 
 

Physical measures and capacities

Fuel capacity14.50 litres (3.83 US gallons)
Overall width720 mm (28.3 inches)
Overall length1965 mm (77.4 inches)
Overall height1138 mm (44.8 inches)
Seat height820 mm (32.3 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc132.0 kg (291.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Carrying capacityStorage compartment
ElectricalBattery: 12V – 4Ah
StarterElectric
Color optionsSilver Speed, Black Speed

Performance Profile & Rider Fit

Best For

Track55%
City75%
Cornering80%
Daily Riding45%
Touring15%
Passenger10%

Rider Profile

Best ForThis bike is best suited to learners and younger riders taking their first steps into sportbike ownership, often under license restrictions limiting engine size.
PurposeIt's built for nimble, playful sport riding on twisty roads and around town rather than outright speed, thanks to its tiny two-stroke engine and sportbike ergonomics.
Rider FitIts very low weight and compact dimensions make it easy to manage for smaller or less experienced riders, though the sporty riding position still leans the rider forward.
CharacterIt has the look and handling feel of a proper sportbike shrunk down, with sharp steering and a lightweight chassis that rewards revving the small two-stroke engine hard.
Not Ideal ForIt's not the right choice for anyone needing real highway speed, long-distance comfort, or the ability to comfortably carry a passenger.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Aprilia RS 50 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 820mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2021 Aprilia RS 50, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Aprilia RS 50 is a sleek and powerful motorcycle that is perfect for riders looking for a lightweight and agile machine. Its 50cc engine delivers impressive performance, making it a great option for urban commuting or hitting the open road. The bike's sporty design and advanced technology make it a standout in its class, and its comfortable seating position ensures a smooth and enjoyable ride. Overall, the 2021 Aprilia RS 50 is a top choice for riders who want a high-performance and stylish motorcycle. Its 50cc engine, sporty design, and advanced technology make it a standout in its class, and its comfortable seating position ensures a smooth and enjoyable ride. Whether you're a beginner rider looking for your first motorcycle or a seasoned veteran seeking a reliable and powerful machine, the Aprilia RS 50 is a fantastic option.
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