Some history and development
Mar 29, 2021
2 minutes
The Harley-Davidson JD from Jurgen is from 1929 and is a 1200cc inlet-over-exhaust engine. “There are many details to report,” says Jurgen. “The cylinders are special Ricardo cylinders, we believe. Sir Ricardo went from England to America in the early 1900s at the request of H-D to help
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