British GP: Chas Mortimer, Danfay Yamaha, leads Charlie Williams, Dugdale Maxton Yamaha, Tom Herron, Yamaha, and Mick Grant, Kawasaki.
Chas Mortimer, Danfay Yamaha, leads Charlie Williams, Dugdale Maxton Yamaha, Tom Herron, Yamaha, and Mick Grant, Kawasaki.