The 1972 Season and especially the Match Races were a glorious time for Calvin and his XR 750. But his was the last gasp for the Road Racing Harleys. The next year Yamaha showed up with their big Two Strokes 4 cylinders and changed history to an era that lasted for a long time.
Cal's main opponent Ray Pickrell trying to stay with him at Oulton Park.
Rayborn out front leading the best of the British Short Circuit Specialists, John Cooper BSA, Ray Pickrell Triumph and Phil Read and John Williams on the Factory Nortons.
The 1972 Season and especially the Match Races were a glorious time for Calvin and his XR 750. But his was the last gasp for the Road Racing Harleys. The next year Yamaha showed up with their big Two Strokes 4 cylinders and changed history to an era that lasted for a long time. 
Cal's main opponent Ray Pickrell trying to stay with him at Oulton Park.
Rayborn out front leading the best of the British Short Circuit Specialists, John Cooper BSA, Ray Pickrell Triumph and Phil Read and John Williams on the Factory Nortons.
