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 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. .
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 champion in World Superbike 2010