The SX and RX 125 are the latest on/off-road machines from Aprilia, sharing a 125cc two-stroke single cylinder engine that meets Euro3 standards. The cylinder has a nickel silicon carbide (Nikasil) liner, with a separate mixer system for lubrication.
The frames are steel, double cradle, trellis style with a 40mm upside down fork giving 260mm travel. The steel swingarm has 270mm travel, and is damped by a hydraulic monoshock with piggy back cylinder.
Both bikes have two-piston calipers and 260mm discs on the front, with a 220mm disc on the rear. The digital instrument displays are like the ones you