Delta-Gnom was an Austrian manufacturer founded in 1923 producing J.A.P.-engined motorcycles until the early 1930s. Production resumed after

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

using Rotax engines, until 1955.

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Motorcycle manufacturers of Austria {{Austria-company-stub