The 2014 models had no covers at all. There was a recall for the main ignition block to be covered but no other blocks where covered at all. The 2017 face lifted model will have the ignition block covered from the factory but I'd bet the others are still uncovered.
You need a very long 3mm allen key (like a tommy bar) to get the front airbox disconnected, you can see a wee tunnel on the bottom lefthand side of the airbox to get at the bolt.
Just cover everything with bicycle inner tubes to be sure, I did this 5 years ago and no trouble since.