Aprilia RS4 50

Aprilia RS4 50 ini merupakan adik kandung dari RS4 125, desainnya mengambil dari juara WSBK 2010, Aprilia RSV 4 Factory, Mantap.  Suspensi depannya lebih kokoh, khas superbike.


Engine : 49.90 ccm (3.04 cubic inches)S ingle cylinder, two-stroke.
Compression: 11.5:1
Bore x stroke: 39.9 x 40.0 mm (1.6 x 1.6 inches)
Fuel system: Carburettor. Dell’Orto PHVA – 17.5
Ignition: Elettronica C.D.I.
Lubrication system: Automatic mixer
Cooling system: Liquid
Gearbox: 6-speed
Transmission type,
final drive: Chain
Clutch: Multi-plate
Driveline: Primary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 14/53
Emission details: Euro 2
Chassis, suspension, brakes and wheels
Frame type: Twin spar aluminium frame
Front suspension: 40 mm upside down fork
Front suspension travel: 110 mm (4.3 inches)
Rear suspension: Asymmetric swingarm with monoshock
Rear suspension travel: 130 mm (5.1 inches)
Front tyre dimensions: 110/80-17
Rear tyre dimensions: 130/70-17
Front brakes: Single disc
Front brakes diameter: 300 mm (11.8 inches)
Rear brakes: Single disc
Rear brakes diameter: 180 mm (7.1 inches)
Wheels: light alloy with 6 split spokes, with sealing profile for tubeless tyres
Physical measures and capacities
Seat height: 820 mm (32.3 inches) If adjustable, lowest setting.
Overall length: 1,953 mm (76.9 inches)
Overall width: 740 mm (29.1 inches)
Wheelbase: 1,350 mm (53.1 inches)
Fuel capacity: 14.50 litres (3.83 gallons)
Starter: Electric
Electrical: Battery: 12V – 6Ah
Color options: Red/black, white/black