2006 Aprilia SR 50 R Factory Technical Analysis & Specification Breakdown
Built around Aprilia's scooter motorcycle platform, the 2006 Aprilia SR 50 R Factory utilizes a 49 cc (3 cu in) liquid-cooled single cylinder, two-stroke layout. In factory specification, maximum torque reaches 17 Nm (12.5 lb-ft) at 7,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. Internal engine geometry specifies a bore and stroke of 40.0 x 39.3 mm (1.6 x 1.5 inches) with a 11.5:1 compression ratio.
Rider ergonomics and chassis geometry center around a 1,290 mm (50.8 in) wheelbase engineered for quick, flickable steering geometry. The 7-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Aprilia archive, this model family spans 9 indexed model years from 2006 to 2015, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Torque17.0 Nm (1.7 kgf-m or 12.5 ft.lbs) @ 7500 RPM
Compression11.5:1
Bore x Stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Fuel SystemInjection. Electronically controlled, air assisted, direct injection into the combustion chamber.
IgnitionHigh power inductive ignition
LubricationOil injection with oil pump
CoolingLiquid
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
ClutchAutomatic centrifugal dry clutch
Chassis
Front SuspensionHydraulic fork.
Front Travel90 mm (3.5 inches)
Rear SuspensionEngine unit acting as swingarm
Rear Travel70 mm (2.8 inches)
Wheelbase1290 mm (50.8 inches)
Wheels & Brakes
Front Tyre130/60-13
Rear Tyre130/60-13
Front BrakesSingle disc
Rear BrakesSingle disc
Dimensions & Weight
Fuel Capacity7.00 litres (1.85 US gallons)
Other
StarterElectric
Color OptionsAprilia Red, Aprilia Black, Aprilia White, Spiderman
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
