Scooters
2021Aprilia SR 50 Factory
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The 2021 Aprilia SR 50 Factory is a lightweight scooter designed for new and younger riders seeking an accessible entry into motorbiking. Powered by a 49cc two-stroke Hi-Per 2 Pro engine delivering 4 horsepower, it excels in urban commuting with agile handling and compact design. Known for its stylish aesthetics and reliable liquid-cooled performance, it offers practical everyday mobility within 50cc restrictions.
- Capacity
- 49.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 107.0 kg
- Seat height
- 795 mm
- Power
- 4.0 HP (2.9 kW) @ 7000 RPM
What’s new for the 2021 Aprilia SR 50 Factory
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Power | 5.4 HP (4.0 kW) | 4.0 HP (2.9 kW) @ 7000 RPM |
| Torque | 4.7 Nm (0.5 kgf-m or 3.5 ft.lbs) | 4.0 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 6500 RPM |
| Top speed | — | 45.0 km/h (28.0 mph) |
| Seat height | 820 mm (32.3 inches) | 795 mm (31.3 inches) |
| Fuel capacity | 7.00 litres (1.85 US gallons) | 7.60 litres (2.01 US gallons) |
| Front suspension | Hydraulic fork, | Telescopic hydraulic fork |
| Rear suspension | Engine unit acting as swingarm | Engine unit acting as swingarm. Monoshock. |
| Front brakes | Single disc | Single disc. 2 opposing pistons |
| Rear brakes | Single disc | Single disc. 2 opposing pistons |
| Wheelbase | 1290 mm (50.8 inches) | 1260 mm (49.6 inches) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for short urban hops and errands, not for any kind of serious distance or speed riding.
- Built for
- A sporty-styled 50cc city scooter that offers peppy looks and nimble handling without any real performance to back it up.
- Not ideal for
- Not for anyone needing highway speeds, long trips, passenger comfort, or off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 49.0 ccm
- Power
- 4.0 HP (2.9 kW) @ 7000 RPM
- CO2 Emissions
- 4 CO2 g/km
- Torque
- 4.0 Nm (0.4 kgf-m) @ 6500 RPM
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.0374 HP/kg (dry)
- Bore x stroke
- 40.0 x 39.3 mm
- Compression
- 11.5:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- CDI
- Lubrication system
- Separate mixing with mechanical oil pump
Transmission
- Transmission type
- Automatic
- Final drive
- Belt
- Clutch
- Automatic centrifugal dry clutch
Performance
- Top speed
- 45.0 km/h (28.0 mph)
Dimensions & weight
- Wheelbase
- 1260 mm
- Overall length
- 1860 mm
- Overall width
- 705 mm
- Overall height
- 1120 mm
- Seat height
- 795 mm
- Dry weight
- 107.0 kg
- Fuel capacity
- 7.60 litres
- Reserve fuel capacity
- 1.20 litres
- Carrying capacity
- Helmet compartment.
Chassis & suspension
- Frame
- Split single cradle frame in high tensile strength steel tube
- Front suspension
- Telescopic hydraulic fork
- Rear suspension
- Engine unit acting as swingarm. Monoshock.
- Front wheel travel
- 90 mm
- Rear wheel travel
- 70 mm
Brakes & wheels
- Front brakes
- Single disc. 2 opposing pistons
- Front brakes diameter
- 190 mm
- Rear brakes
- Single disc. 2 opposing pistons
- Rear brakes diameter
- 190 mm
- Front tyre
- 130/60-13
- Rear tyre
- 130/60-13
Other
- Color options
- Black/red/white/green
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2014 | 2016 | 2018 | 2019 | 2021 |
|---|---|---|---|---|---|
| Capacity | 49 cc | 49 cc | 49 cc | 49 cc | 49 cc |
| Dry weight | 107 kg | 107 kg | 107 kg | 107 kg | 107 kg |
| Seat height | 820 mm | 820 mm | 820 mm | 820 mm | 795 mm |
| Fuel capacity | 7 L | 7 L | 7 L | 7 L | 7.6 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Aprilia SR 50 Factory?
The 2021 Aprilia SR 50 Factory has a Capacity of 49.0 ccm (2.99 cubic inches).
What engine power does the Aprilia SR 50 Factory have?
The 2021 Aprilia SR 50 Factory has a Power of 4.0 HP (2.9 kW) @ 7000 RPM.
What is the torque of the Aprilia SR 50 Factory?
The 2021 Aprilia SR 50 Factory has a Torque of 4.0 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 6500 RPM.
How much does the Aprilia SR 50 Factory weigh?
The 2021 Aprilia SR 50 Factory has a Dry weight of 107.0 kg (235.9 pounds).
Shop this bike
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The 2021 Aprilia SR 50 Factory is a sleek and sporty scooter that delivers impressive performance and style. With its powerful 50cc engine, this scooter is perfect for zipping around the city with ease. The innovative design and high-quality components make it stand out from the crowd, while the advanced technology ensures a smooth and reliable ride.
One of the standout features of the 2021 Aprilia SR 50 Factory is its exceptional handling and agility. Whether navigating tight urban streets or hitting the open road, this scooter offers a thrilling and dynamic riding experience. Additionally, the premium materials and attention to detail make it a top choice for riders looking for a high-performance and stylish two-wheeled companion. Overall, the 2021 Aprilia SR 50 Factory is a fantastic option for those seeking a premium and powerful scooter that doesn't compromise on style or performance.
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