It appears you're interested in specifications for the Polini Motard Air. This Minibike, sport model is powered by a Single cylinder, two-stroke engine with 69.30 ccm (4.23 cubic inches) of actual displacement before 14.0:1 compression. Fueling is metered via Carburettor. Dell Ortho PHGB 19 allowing this machine to produce its horsepower and torque. According to our records engine heat of the Polini Motard Air is moderated by Air. You'll need to get familiar with the transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 90/90-10 and the rear is 60/90-10 . 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 Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Polini Motard Air 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.