It appears you're interested in specifications for the Derbi DFW 50. This ATV model is powered by a Single cylinder, two-stroke engine with 49.00 ccm (2.99 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor. Mikuni allowing this machine to produce its horsepower and torque. According to our records engine heat of the Derbi DFW 50 is moderated by Air. You'll need to get familiar with the 2-speed transmission and pay attention to final drive Belt maintainence. Our best information shows that the front tire size is 19x7-8 and the rear is 19x7-8 . 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 Derbi DFW 50 was launched in 2009, 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.