There is an excellent documentary now up on MotoGP.com that covers the first 70 years of grand prix motorcycle racing. The best part is, even those without a subscription can view it. It's free for all the fans. I highly recommend you give it a view. It is a couple hours long, but worth the time, imo. http://www.motogp.com/en/videos/201...-the-history-of-the-world-championship/285091