Aprilia RS4 50 2018

Complete specifications and details for the 2018 Aprilia RS4 50. This comprehensive guide includes engine specifications, dimensions, features, and performance data.

Aprilia RS4 50 2018

Basic Information

MakeAprilia
ModelRS4 50
Year2018
CategorySport

Chassis, Suspension & Brakes

Front BrakesSingle disc. Radial 4 piston calliper
Front Brakes Diameter300 mm (11.8 inches)
Front Suspension41 mm upside down fork
Front Tyre100/80-17
Front Wheel Travel110 mm (4.3 inches)
Rear BrakesSingle disc
Rear Brakes Diameter220 mm (8.7 inches)
Rear SuspensionAsymmetric swingarm with monoshock
Rear Tyre130/70-17
Rear Wheel Travel122 mm (4.8 inches)

Other Specifications

Color OptionsBlack, yellow
InstrumentsLCD screen
StarterElectric

Engine & Transmission

Displacement49.90 ccm (3.04 cubic inches)
Engine TypeReed intake valve
Engine DetailsSingle cylinder, two-stroke
Compression11.5:1
Bore X Stroke39.9 x 39.9 mm (1.6 x 1.6 inches)
Fuel SystemCarburettor
IgnitionElectronic with CDI capacity discharge
Lubrication SystemAutomatic mixer
Cooling SystemLiquid
Gearbox6-speed
Transmission Type Final DriveChain
ClutchMultiplate wet clutch
DrivelineChain, 11/53. Primary drive: Gears, 21/78.
Emission DetailsEuro 2

Dimensions & Capacities

Fuel Capacity14.50 litres (3.83 gallons)
Overall Length1,953 mm (76.9 inches)
Overall Width740 mm (29.1 inches)
Reserve Fuel Capacity3.30 litres (0.87 gallons)
Seat Height820 mm (32.3 inches) If adjustable, lowest setting.