It appears you're interested in specifications for the Polini XP4 Street 125 Off Road. This Enduro / offroad model is powered by a Single cylinder, four-stroke engine with 120.70 ccm (7.37 cubic inches) of actual displacement before 9.5:1 compression. Fueling is metered via allowing this machine to produce its horsepower and torque. According to our records engine heat of the Polini XP4 Street 125 Off Road is moderated by Air. You'll need to get familiar with the 4-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 60/100-14 and the rear is 80/100-12 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc. Hydraulic front brakes and Single disc. Hydraulic rear brakes. The Polini XP4 Street 125 Off Road was launched in 2010, 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.