It appears you're interested in specifications for the Borile B50 Cross Junior. This Enduro / offroad model is powered by a Single cylinder, two-stroke engine with 49.80 ccm (3.04 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Dell’Orto PHBG 19 BS allowing this machine to produce its horsepower and torque. According to our records engine heat of the Borile B50 Cross Junior is moderated by Liquid. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 2.50-15 and the rear is 3.00-12 . The entire package is supported by the frame, Steel-aluminium oval tubes. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Single disc rear brakes. The Borile B50 Cross Junior was launched in 2005, 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.