AHRMA event, Thunderhill Raceway Park April 29th to May 1st
Race report from AHRMA (American Historic Racing Motorcycle Association) event Thunderhill Raceway April 29th to May 1st. It has been many, many years since I first arrived at an AHRMA event. The last one was Sears Point. I had brought my 1989 Honda CBR250RR four cylinder race bike. I was told the only class for it [...]