摩托车的祖先是自行车。1885年,德国人戴姆勒和助手把汽油机加以改进后装在二轮车上,诞生了世界上第一辆摩托车。这辆摩托车的发动机汽缸容积为264立方厘米,功率0.5马力,转速每分钟700转,摩托车的时速可达19公里。最早的商品化摩托车是德国慕尼黑工厂生产的水冷式760毫升摩托车,最高时速可达38.6公里。 The ancestor of a motorcycle is a bicycle. In 1885, the German Daimler and his assistants improved their gasoline engines and installed them on the two-wheelers, creating the world’s first motorcycle. The motorcycle engine cylinder capacity of 264 cubic centimeters, power 0.5 horsepower, speed 700 rpm, motorcycles up to 19 km. The earliest commercial motorcycles are water-cooled 760-milliliter motorcycles manufactured in the German factory in Munich, with a top speed of 38.6 kilometers per hour.