It appears you're interested in specifications for the Kymco MXU 300 RL. This ATV model is powered by a Single cylinder, two-stroke engine with 366.90 ccm (22.39 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor allowing this machine to produce its 18.77 HP (13.7 kW) horsepower and torque. According to our records engine heat of the Kymco MXU 300 RL 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 22/7-10 and the rear is 22/10-10 . The entire package is supported by the frame, Tubular steel. 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 300 RL 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.