One example of German craftsmenship, the Mars 1923 motorcycle with a 957ccm engine from Maybach motors. Seen this bike in several museums, the one in Oyenhausen is in fact a stunning replica. Mars built the futuristic "White Mars" in 1923, a behemoth with a 1000cc Maybach engine of a frame of pressed steel and boxer configuration. More specs and user manual of Mars 1923 moto you can see in next overview.