It appears you're interested in specifications for the KTM 525 XC. This ATV model is powered by a Single cylinder, four-stroke engine with 510.40 ccm (31.14 cubic inches) of actual displacement before 11.0:1 compression. Fueling is metered via Carburettor. Keihin FCR MX 39 allowing this machine to produce its horsepower and torque. According to our records engine heat of the KTM 525 XC is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 21/7-10 and the rear is 20/11-9 . The entire package is supported by the frame, Chromoly. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Magura floating WAVE discs, 4-piston fixed caliper front brakes and Single disc. Magura disc, single piston floating caliper rear brakes. The KTM 525 XC was launched in 2011, 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.