Just found this small blog post on the MotoGP 2017 page, hopefully this isn't just hear say and things have actually been inproved.
Blog post : http://motogpvideogame.com/2017/04/07/the-audio-director-speaks/
"Firstly, we concentrated on the audio recording, which was carried out in 100% natural bike sound conditions ...." This is the biggest thing, hope they recorded or still recording with multiple mic set up.
Blog post : http://motogpvideogame.com/2017/04/07/the-audio-director-speaks/
"Firstly, we concentrated on the audio recording, which was carried out in 100% natural bike sound conditions ...." This is the biggest thing, hope they recorded or still recording with multiple mic set up.