It appears you're interested in specifications for the GAS GAS HP 515. This ATV model is powered by a Single cylinder, four-stroke engine with 492.00 ccm (30.02 cubic inches) of actual displacement before compression. Fueling is metered via Injection. EFI allowing this machine to produce its horsepower and torque. According to our records engine heat of the GAS GAS HP 515 is moderated by Liquid. You'll need to get familiar with the 6-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is AT20x6-10 and the rear is AT18X10.5-9 . The entire package is supported by the frame, Multi-tubular with a rounded profile, manufactured in CR-Mo steel.. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc. Self-ventilated, twin-piston floating calliper front brakes and Single disc. Self-ventilated rear brakes. The GAS GAS HP 515 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.