Dnepr M-72
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The M-72 was a motorcycle built by the Soviet Union. Conceived as a replacement for the two heavy motorcycles used by the Red Army, the TIZ-AM-600 and PMZ-A-750, both of which had performed unsatisfac
M-72 motorcycle celebrated on a 1999 Russian 2 rouble stamp
IMZ (M-72)
Four-stroke engine
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A four-stroke engine is an internal combustion engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylin
An Otto Engine from 1880s US Manufacture
This 2004 Toyota Prius hybrid has an Atkinson-cycle engine as the petrol-electric hybrid engine
Audi Diesel R15 at Le Mans