overall dimensions : 2400 x 1600 x 1100 mm wheel base : 1420 mm wheel span: 1100 mm net weight : 355 kg max. load : three persons or 220 kgs max. speed: 85km/h max. max climbing: 25.5 degree fuel consumption: 5.6l / 100km min. fuel tank capacity : 22 l tire spec. : front / rear / side wheel = 3.75-19 tire air pressure : front wheel = 200kpa rear and side wheel = 250kpa brake rim: both drum for front and rear wheel rim: spoked disk / aluminum alloy engine type:double cylinder , air-cooling ,four-stroke , displacement:746ml maximum power and cor.speed:22kw/4700~5300rpm maximum torque and cor.speed:49n.m/3500~4100rpm starting method:electric/kick lubrication method: pressure and splash ignition method:battery clutch:dry,double-plate transmission:four forward gears,one neutral gear and one reverse gear for option brief introduction the origin of this model is the bmw(1938--1941),which was used in the battle field during the second world war.while those motorcycles rode by the german soilders as bmw r71 and bmw r75 belonged to the past,quite differ from today's motorcycle. then what the process from r71 to present day motorcycle like?in 1939,the former ussr leader mr. stalin expanded the country's military forces,he imported 5 bmw from germany,disassembled them,drew pictures....,in this way,russians produced the ( ural) m-72 motorbike. in the 1950s,our military copied m-72 and made this type 750cc motorcycle,it was the original shape of chinese motorcycle.it has been used in the military and military communications ever since. imitating german military motorcycle with simple and elegant style in the second world war , and assimilating the soul of modern technology as well ,it has excellent performance and comfort for ride. nowadays,this motorcycle become a collections by world wide collector.