It appears you're interested in specifications for the Aprilia RX 125. This Enduro / offroad model is powered by a Single cylinder, four-stroke engine with 124.2 ccm (7.58 cubic inches) of actual displacement before 12.5:1 compression. Fueling is metered via Injection. Magneti Marelli M3G ø 32mm ECU allowing this machine to produce its 15.0 HP (10.9 kW) @ 10500 RPM horsepower and 10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM torque. According to our records engine heat of the Aprilia RX 125 is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 90/90-21 and the rear is 120/80-18 . The entire package is supported by the frame, Double cradle steel. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Floating calliper. Front wheel only ABS. front brakes and Single disc. Floating calliper rear brakes. The Aprilia RX 125 was launched in 2020, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.