Well Norm, as you know, they're still building Royal Enfield 500cc motorcycles!
Then there's the Carberry 1000cc V-twin, which is based on a lot of Indian Enfield 500 bits...
http://www.carberrymotorcycles.com/But that's in a factory setup - the rifles I've mentioned were/are made pretty much entirely with hand tools, in workshops with no power machinery or machine tools at all - maybe a foot treadle powered lathe, at most.