Well, it looks like a new motorcycle racing game is currently being worked on by THQ and developer Climax. Here's the only part of the release that contains any information of value: (Hat tip: Blues) Woking, Surrey UK, 03 June, 2004 – THQ Inc., today announced the next game in the MotoGP series in development with Climax. The new instalment(sic) will have players racing through photo-realistic race tracks and will introduce a brand new mode. The game is slated for worldwide release in the quarter ending September 30, 2005, for the Xbox videogame system from Microsoft and on PC.
News source: FileFront