Aprilia SR 50 R Street - 2009 Specifications and Reviews

The 2009 Aprilia SR 50 R Street is an entry-level automatic scooter designed for urban commuters and new riders seeking practical city mobility. Its lightweight 50cc engine and automatic belt transmission deliver straightforward, hassle-free performance perfect for navigating congested streets. Known for reliable everyday transport, this model combines Aprilia's Italian styling with accessible, economical commuting.

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Engine and Transmission Specifications

Transmission typefinal driveBelt
GearboxAutomatic
Cooling systemLiquid
Lubrication systemSeparate mixing with mechanical oil pump
StarterElectric
IgnitionCDI - capacitor discharge ignition
Fuel systemCarburettor. 17.5 mm throttle body
Bore x stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Compression12.1:1
Stroke2
Engine typeSingle cylinder
Capacity:49.00 ccm (2.99 cubic inches)

Physical measures and capacities

Wheelbase1,290 mm (50.8 inches)
Overall length1,860 mm (73.2 inches)
Seat height820 mm (32.3 inches) If adjustable, lowest setting.
 
 

Aprilia SR 50 R Street dimensions and frame

Rear brakes diameter190 mm (7.5 inches)
Rear brakesSingle disc
Front brakes diameter190 mm (7.5 inches)
Front brakesSingle disc
Rear tyre dimensions130/60-13
Front tyre dimensions130/60-13
Rear suspensionEngine unit acting as swingarm
Front suspensionHydraulic fork
Frame typeSplit single cradle frame in high tensile strength steel tube
 
 

Speed and acceleration

Color optionsGraphite Grey, Tulip Red.
Reserve fuel capacity1.20 litres (0.32 gallons)
Fuel capacity7.00 litres (1.85 gallons)

CategoryScooter
Year2009
ModelAprilia SR 50 R Street

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track15%
City88%
Cornering55%
Daily Riding75%
Touring20%
Passenger30%

Rider Profile

Best ForSuited to new riders and license holders looking for a peppy, sporty-styled 50cc scooter for urban use.
PurposeBuilt primarily for short city hops, commuting, and weaving through traffic rather than any serious speed or distance work.
Rider FitVery low physical demand thanks to its automatic transmission, light weight, and compact scooter ergonomics.
CharacterA sporty, aggressively styled small-wheel scooter that feels quick off the line for its class and enjoys flicking through city corners.
Not Ideal ForNot suited for highway travel, long-distance touring, carrying a passenger comfortably, or any off-road use.

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

Rider Fit Visualizer

2009 Aprilia SR 50 R Street Rider Ergonomics Assessment

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Feet:

At 820mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2009 Aprilia SR 50 R Street, with a moderate knee angle of around 105 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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