This innovative cycle called the Harley-Davidson Topper went on sale in 1960 and featured a metal frame with a fiberglass shell covering ... However, releasing new models in 500cc and 750cc engine ...
Its 46 cubic inch (750cc) V-twin engine was custom-tuned for the high performance and durability required for ... Not in terms of sales — It wasn't for sale to the general public, and only about 500 ...