1939 Norton Big Four 633, Great Britain. The Big Four 633 was outfitted with a one-cylinder, L-head, 633-cc engine having a physical size of 82 by 120 mm. Originally it was a belt-drive model, but somewhat later on, in 1915, it was replaced by the chain. In 1932 the right-side exhaust line was desig … baca lanjutannya ►

1939 Norton Big Four 633, Great Britain. Some 4737 motorcycles (of the total of 100 thousand assembled) had sidecars that could carry two or three men with fighting equipment and munitions. After WWII was over, the company went on to produce this model for 9 more years. In 1954, the production plant … baca lanjutannya ►