It appears you're interested in specifications for the Piaggio Liberty 50 Catalyzed. This Scooter model is powered by a Single cylinder, two-stroke engine with 49.40 ccm (3.01 cubic inches) of actual displacement before 10.3:1 compression. Fueling is metered via allowing this machine to produce its horsepower and torque. According to our records engine heat of the Piaggio Liberty 50 Catalyzed is moderated by Air. 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 90/80-16 and the rear is 110/80-14 . The entire package is supported by the frame, Steel 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 Expanding brake (drum brake) rear brakes. The Piaggio Liberty 50 Catalyzed 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.