2011 Aprilia RS4 125 like a superbike

2011 Aprilia RS4 125 like a superbike- After surge at EICMA 2010 in Milan, Aprilia RS4 125 2011 specification was released.Aprilia RS4 mechanical heart lap 125 2011 1-cylinder, 4-Stroke with a capacity of 124.8 cc. In previous versions of this sportbike equipped only 2-stroke engines.

This machine is more complete with 6-speed transmission, which has used technology Aprilia Quick Shift. With this device can be moved faster gear so that acceleration is even louder. This feature is the adoption of the Aprilia RSV4 already APRC which proved superior in Superbike.

Her face very aggressive with the model of triple headlights and futuristic design of the stern of the LED lights combined.

With the front frame using the Twin-spar aluminum is lightweight and rigid front suspension combined updside-down 41 mm to the front and rear mono shock 130 mm. Reportedly sportbike will be present in Indonesia in end this year.

RS4 125 is the result of the evolution of the RS 125 2-stroke engine. Since 1993, Aprilia RS 125 population reached more than 100 thousand units. Aprilia sold in over 30 countries worldwide.

Aprilia claims RS4 125 adopted the style and engineering solutions that are inherited Aprilia RSV4, which brings Aprilia Superbike World Superbike championship in 2010.
APRILIA RS4 125 2011 – Technical Specifications

Engine type	Four stroke liquid cooled single cylinder with electronic injection and 4 valves.
Timing system	Double overhead camshaft – DOHC
Bore and stroke	58 X 47 mm
Engine capacity	124.8 cc
Compression ratio	12.5 ± 0.5:1
Ignition	Electronic with CDI capacity discharge
Start up	Electric
Lubrication	Wet sump
Gearbox	6 Ratios, 1st 11/33 (0.33) 2nd 15/30 (0.50) 3rd 18/27 (0.67) 4th 20/24 (0.83) 5th 25/27 (0.92) 6th 23/22 (1.05)
Primary drive	Gears, 69/29
Final drive	Chain, 60/13
Clutch	Multiple discs, in oil bath
Frame	Aluminium perimeter frame
Front suspension	41 mm upside down fork, wheel excursion 110 mm
Rear suspension	Asymmetric swingarm with monoshock, wheel travel 130 mm
Brakes	Front: 300 mm stainless steel disc with radial 4 piston calliper
	Rear: 218 mm stainless steel disc and calliper with single 30 mm piston
Wheel rims	In light alloy with 6 split spokes, with sealing profile for tubeless tyres; front: 2.75 x 17″; rear: 3.50 x 17″
Tyres	Front: 100/80 – 17″, rear: 130/70 – 17″
Dimensions	Max. Length 1953 mm  Max width 740 mm Max height at top fairing 1,138 mm Saddle height 820 mm Wheelbase 1,350 mm
Fuel tank capacity	14.5 litres (including 3.5 litre reserve)
Emissions compliance	Euro 3