sentences:  On lap three Barnett came off at Glen Helen, and a lap later Read retired with engine problems.With one lap to go Robinson led Yorkshireman Tony Jefferies, riding a Yamsel, but he crashed at Rhencullen, so Jefferies came home with 37 seconds to spare from newcomers Gordon Pantall, with Bill Smith third.Agostini had no such problems in the Senior, which was postponed by a day because of bad weather.