It appears you're interested in specifications for the Aeon Cobra 400 EFI. This ATV model is powered by a Single cylinder, four-stroke engine with 346.0 ccm (21.11 cubic inches) of actual displacement before 10.6:1 compression. Fueling is metered via Injection allowing this machine to produce its 20.1 HP (14.7 kW) @ 6000 RPM horsepower and 23.0 Nm (2.3 kgf-m or 17.0 ft.lbs) @ 6500 RPM torque. According to our records engine heat of the Aeon Cobra 400 EFI is moderated by Liquid. 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 21/7-10 and the rear is 20/10-9 . The entire package is supported by the frame, Tube. 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 Aeon Cobra 400 EFI was launched in 2021, 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.