Positioned in Aprilia's sport motorcycle lineup, the 2011 Aprilia RS 50 Replica Alitalia utilizes a 49.9 cc (3 cu in) liquid-cooled single cylinder, two-stroke layout. Internal engine geometry specifies a bore and stroke of 39.9 x 40.0 mm (1.6 x 1.6 inches) with a 11.5:1 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.
Engine
Displacement49.9 ccm (3.04 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Compression11.5:1
Bore x Stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Fuel SystemCarburettor. Dell Orto VHST 28.
IgnitionElettronica C.D.I.
LubricationAutomatic mixer
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchMulti-plate
DrivelinePrimary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 14/53
Performance
Emission DetailsEuro 2
ExhaustEuro 2
Chassis
Frame Typealuminium frame and swingarm
Front Suspension40 mm upside down fork
Front Travel120 mm (4.7 inches)
Rear SuspensionDouble reinforced member aluminium swingarm with bracing arch
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.
