1921 Mars A20

, Germany. The base of this machine consisted of a box-section frame in which the gas and oil tanks were positioned as well as a carrying box. An L-head, horizontally opposed, twin-cylinder engine (with 956-cc and 7.3 h.p.) was longitudinally mounted under the frame having an external flywheel that simultaneously played the role of the fan for the forced air cooling system. #mars #germanbike #legend #1920s #motorbike #history #instabike #instamotogallery #rarebikes #vintagemotorcycle #classicmotorcycle #retromoto #awesome #maybach #likenew #whitemotorcycle #motodream #1921 #sidecar #oldschool #3wheels #whitebike #motorrad #germanpower  #1000cc #antique #whitebikes #12hp #luxurious #picoftheday