http://www.racing-underground.com/index.ru?cls=32 sign up there all your racing torrent needs... never again miss a free practice, qualifying or a race. Not just motogp but everything you could ever wish for best site ever, just make sure to seed and to donate when and if you can. Best quality I have seen ever as well!
I just downloaded from that site...go to "BROWSE CATEGORIES" on the left. Then click on "MOTORBIKES". You'll see a seed that sticks out "HOT" with like 648 seeders...no joke....1 Gig downloaded quick as hell