I for one certainly enjoyed watching speedway racing with the 2 Valve engines. Team riding was more apparent and riders seem to win races with track craft. Since the introduction of the 4 Valve, the bikes are too fast for today’s U.K. tracks resulting in less overtaking and poor handling of the machines resulting in more crashes and injuries.    Your thoughts please, as I’m sure there will be lots of opinions for and against what I have outlined. So for me it’s back to basics. proving spe