Aprilia RS4 mechanical heart lap 125 2011 1-cylinder, 4-Stroke with a capacity of 1235 cc. In previous versions of this sportbike equipped only 2-stroke engine.
This machine is complete with 6-speed transmission, which has been using the Quick Shift Aprilia technology. With this device to move the gear can be more quickly so that acceleration faster. This feature is the adoption of the Aprilia RSV4 teelah APRC which proved superior in Superbike.
Sanhgat his face aggressive with the headlights triple model and the stern of a futuristic design combined LED lights.
With the front frame using a Twin-spar aluminum is lightweight and rigid front suspension combined updside-down 41 mm for front and rear monoshock 130 mm. Reportedly sportbike will be present in Indonesia at the end of a year.
RS4 125 is the result of the evolution of 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 the RS4 125 adopted the style and engineering solutions that are inherited Aprilia RSV4, which brings Aprilia Superbike World Superbike champion 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
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