It appears you're interested in specifications for the Aprilia SX 50 Factory. This Super motard model is powered by a Single cylinder, two-stroke engine with 50.0 ccm (3.05 cubic inches) of actual displacement before 11.5:1 compression. Fueling is metered via Carburettor. electronically controlled Dell”™Orto PHVA 17.5 carburettor allowing this machine to produce its horsepower and torque. According to our records engine heat of the Aprilia SX 50 Factory 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 100/80-17 and the rear is 130/70-17 . The entire package is supported by the frame, Twin tube, 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, 2 pistons front brakes and Single disc. Floating calliper rear brakes. The Aprilia SX 50 Factory 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.