It appears you're interested in specifications for the Kymco MXU 400. This ATV model is powered by a Single cylinder, four-stroke engine with 366.90 ccm (22.39 cubic inches) of actual displacement before 10.5:1 compression. Fueling is metered via allowing this machine to produce its horsepower and torque. According to our records engine heat of the Kymco MXU 400 is moderated by Liquid. You'll need to get familiar with the Automatic transmission and pay attention to final drive Belt 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 Single disc front brakes and Single disc rear brakes. The Kymco MXU 400 was launched in 2010, 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.