1975 Harley RR250-R

*If the Grand Prix road-racing record books came with footnotes, you’d see a reference to this Italian-built motorcycle next to the only GP titles ever credited to Harley-Davidson.Yes, you read that right. Back in the 1970s, Harley-Davidson actually was a force in international road racing, winning the 250cc class three years in a row and topping the 350cc class once.How did a company known for