British GP: Barry Sheene, Suzuki, Phil Read, Suzuki, Paul Smart, Yamaha, Ron Haslam, Yamaha, Steve Baker, Yamaha, and Mick Grant, Kawasaki, lead the start of the John Player Grand Prix.
Barry Sheene, Suzuki, Phil Read, Suzuki, Paul Smart, Yamaha, Ron Haslam, Yamaha, Steve Baker, Yamaha, and Mick Grant, Kawasaki, lead the start of the John Player Grand Prix.