It appears you're interested in specifications for the Kymco Maxxer 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 compression. Fueling is metered via Carburettor allowing this machine to produce its 27.36 HP (20.0 kW) horsepower and 3.20 Nm (0.3 kgf-m or 2.4 ft.lbs) torque. According to our records engine heat of the Kymco Maxxer 400 is moderated by Oil & air. You'll need to get familiar with the transmission and pay attention to final drive maintainence. Our best information shows that the front tire size is 23/8-12 and the rear is 23/10-12 . The entire package is supported by the frame, Pipe Under Bone. We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Double disc front brakes and Single disc rear brakes. The Kymco Maxxer 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.