Dunlop Yamaha Tech 3, Yamaha M1, 50, 2007 MotoGP World Championship, Grid GirlsRound 7, Catalunya, Spain, 10 June 2007

1974: The Suzuki RG500 is the first square-4 in the 500cc class.
1977: The British Grand Prix moves from the Isle of Man TT to the British mainland.
1980: Patrick Pons (Yamaha 500cc) and Malcolm White (passenger Phil Love) (sidecar) were both killed in the British GP at Silverstone.
1982: The Yamaha OW61 YZR500 is the first V4 in the 500cc class.