Fonzi rode a triumph...

[the_lone_wolf]

But the bronze Fonz will not be depicted on a motorcycle, Sawyer said. In the opening credits of "Happy Days," which ran from 1974 to 1984, Fonzie is riding a Triumph. The idea of Fonzie riding a British motorcycle in the hometown of Harley-Davidson probably wouldn't be warmly received, he said.
http://www.jsonline.com/story/index.aspx?id=690233