Originally Posted by Valleyrider
XLCR.. I only know that Triumph and BSA were in the same boat, getting tired of the purpose built XR750 H-D beating them. Everyone was looking for more horsepower to compete with the Harleys. I can' remember when they started running them, but I seem to remember seeing photos from Santa Rosa, and Sacramento miles with Aldana,Rice and Nixon riding triples. Just can't recall the year.
Here's a hint . . .
There were no XRs at the 1969 Nazareth mile.