The Daimler Petroleum Reitwagen is considered to be the world's first true motorcycle. It was built by German engineers Gottlieb Daimler and Wilhelm Maybach in 1885 and was powered by the world's first four-stroke gasoline engine.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
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Previously:
https://www.homemadetools.net/forum/...945#post152922
https://www.homemadetools.net/forum/...677#post147763
https://www.homemadetools.net/forum/...339#post150544
https://www.homemadetools.net/forum/...034#post157122
https://www.homemadetools.net/forum/...630#post132761
