It appears you're interested in specifications for the Xingyue XYST400. This ATV model is powered by a Single cylinder, four-stroke engine with 400.00 ccm (24.41 cubic inches) of actual displacement before 10.3:1 compression. Fueling is metered via Carburettor allowing this machine to produce its 26.82 HP (19.6 kW) horsepower and 32.00 Nm (3.3 kgf-m or 23.6 ft.lbs) torque. According to our records engine heat of the Xingyue XYST400 is moderated by Liquid. You'll need to get familiar with the Automatic transmission and pay attention to final drive Shaft drive (cardan) maintainence. Our best information shows that the front tire size is 25/8-12 and the rear is 25/10-12 . 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 front brakes and Single disc rear brakes. The Xingyue XYST400 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.