With a succession of powerful four-cylinder machines, Gilera was a two-wheeled giant in the 1950s, winning six 500cc world championships, including a hat-trick for British ace Geoff Duke.

The model was called VT 317 and only a few units were produced. As World War I started, Gilera started producing 500cc models. Moreover, during the 1930s, Gilera released two new notable ...

The model was called VT 317 and only a few units were produced. As World War I started, Gilera started producing 500cc models. Moreover, during the 1930s, Gilera released two new notable ...

In its original 1950 form the 500/4 made 50 hp at 9000 rpm. By 1957 that had increased to 70 hp at 11,000 rpm and when it was ...