Whine or static?
Several possibilities.
If you ride two up, ask your wife or girlfriend to stop whining.
Second, often a failed alternator diode could induce noise into an electrical system on any vehicle.
Have you recently installed LED lights, or even installed LED lights previously that are not oem Can Am. LED lights are typically noisy. Often the noise generated by LEDs can be difficult to eliminate. Some companies will send plug and play resistors, while others have had good luck installing chokes. Kind of a magnetic ring that the wires are wrapped through. Additionally, if you recently installed aftermarket LED lights, not headlights, but “glow” lights, you may need to install a separate fuse box and route all wires away from oem wire harnesses.