Engineered by Aprilia for the sport motorcycle segment, the 2008 Aprilia RS 50 pairs a 49.9 cc (3 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 39.9 x 40.0 mm (1.6 x 1.6 inches) with a 12.5:1 compression ratio.
Rider ergonomics and chassis geometry center around a 1,310 mm (51.6 in) wheelbase engineered for quick, flickable steering geometry. The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Aprilia archive, this model family spans 15 indexed model years from 1998 to 2021, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement49.9 ccm (3.04 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Compression12.5:1
Bore x Stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchMulti-plate
Chassis
Frame TypeAluminium twin beam frame with extruded profiles and internal reinforcement
Front Suspension40 mm upside down fork
Rear SuspensionDouble reinforced member aluminium swingarm with bracing arch; hydraulic monoshock
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.
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.
