What category is the 2021 Aprilia SR 50 Factory?

The 2021 Aprilia SR 50 Factory has a Category of Scooter.

What is the engine size of the 2021 Aprilia SR 50 Factory?

The 2021 Aprilia SR 50 Factory has a Capacity: of 49.0 ccm (2.99 cubic inches).

What type of engine does the 2021 Aprilia SR 50 Factory have?

The 2021 Aprilia SR 50 Factory has a Engine type of Single cylinder, two-stroke.

What is the engine power of the 2021 Aprilia SR 50 Factory?

The 2021 Aprilia SR 50 Factory has a Power of 4.0 HP (2.9 kW) @ 7000 RPM.

What is the torque of the 2021 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.

What is the top speed of the 2021 Aprilia SR 50 Factory?

The 2021 Aprilia SR 50 Factory has a Top speed of 45.0 km/h (28.0 mph).

Is the 2021 Aprilia SR 50 Factory air cooled or liquid cooled?

The 2021 Aprilia SR 50 Factory has a Cooling system of Liquid.

How many gears does the 2021 Aprilia SR 50 Factory have?

The 2021 Aprilia SR 50 Factory has a Gearbox of Automatic.

How much does the 2021 Aprilia SR 50 Factory weigh?

The 2021 Aprilia SR 50 Factory has a Dry weight of 107.0 kg (235.9 pounds).

What is the seat height of the 2021 Aprilia SR 50 Factory?

The 2021 Aprilia SR 50 Factory has a Seat height of 795 mm (31.3 inches) If adjustable, lowest setting..

Aprilia SR 50 Factory - 2021 Specifications and Reviews

Name: 2021 Aprilia SR 50 Factory
Brand: Aprilia

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.

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2021

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Engine and Transmission Specifications
Emission details	Euro 4
Driveline	Gears in oil bath final drive
Clutch	Automatic centrifugal dry clutch
Transmission type	Belt (final drive)
Gearbox	Automatic
Cooling system	Liquid
Lubrication system	Separate mixing with mechanical oil pump
Ignition	CDI
Fuel system	Carburettor
Bore x Stroke	40.0 x 39.3 mm (1.6 x 1.5 inches)
Compression	12.1:1
Top speed	45.0 km/h (28.0 mph)
Torque	4.0 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 6500 RPM
Power	4.0 HP (2.9 kW) @ 7000 RPM
Engine details	Hi-Per 2 Pro engine
Engine type	Single cylinder, two-stroke
Capacity:	49.0 ccm (2.99 cubic inches)


Category	Scooter
Year	2021
Model	Aprilia SR 50 Factory
Brakes, suspension, Frame and wheels
Wheels	Five spoke, light alloy wheels
Rear brakes	Single disc. 2 opposing pistons
Diameter	190 mm (7.5 inches)
Front brakes	Single disc. 2 opposing pistons
Rear tire	130/60-13
Front tire	130/60-13
Rear wheel travel	70 mm (2.8 inches)
Rear Suspension	Engine unit acting as swingarm. Monoshock.
Front wheel travel	90 mm (3.5 inches)
Front Suspension	Telescopic hydraulic fork
Frame type	Split single cradle frame in high tensile strength steel tube

Physical measures and capacities
Reserve fuel capacity	1.20 litres (0.32 US gallons)
Fuel capacity	7.60 litres (2.01 US gallons)
Wheelbase	1260 mm (49.6 inches)
Overall width	705 mm (27.8 inches)
Overall length	1860 mm (73.2 inches)
Overall height	1120 mm (44.1 inches)
Seat height	795 mm (31.3 inches) If adjustable, lowest setting.
Power/weight ratio	0.0376 HP/kg
Dry weight	107.0 kg (235.9 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Carrying capacity	Helmet compartment.
Light	Dual halogen headlights
Instruments	Active matrix instrument panel
Starter	Electric
Color options	Black/red/white/green

Performance Profile & Rider Fit

4 hp

Peak Power

28 mph

Top Speed

Best For

Track5%

City88%

Cornering45%

Daily Riding65%

Touring8%

Passenger20%

Rider Profile

Best For	Suited to beginners, teens, or anyone with a basic moped-class license looking for simple, low-stakes transportation.
Purpose	Built purely for short urban hops and errands, not for any kind of serious distance or speed riding.
Rider Fit	Very light and low, making it easy to handle for smaller or less experienced riders, including many teenagers.
Character	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.

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

Rider Fit Visualizer

2021 Aprilia SR 50 Factory Rider Ergonomics Assessment

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Feet:

At 795mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Aprilia SR 50 Factory, with a moderate knee angle of around 100 degrees and a slightly forward riding position.

Data quality: measured. 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

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MotorcycleDB Review

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.