Museum hours: Closed For Renovations

1904 FN Four< Back to Vehicles


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Now on Display

The 1904/05 FN was the world’s first mass produced four-cylinder motorcycle. It featured shaft drive and Bosch magneto ignition, but had no clutch or gearbox. Like most motorcycles of the day pedaling was required to start the 362cc engine, which had automatic overhead inlet valves and mechanically actuated side exhaust valves. The innovative bike was built by the Belgian company La Fabrique Nationale d’Armes de Guerre (later shortened to Fabrique Nationale or “FN”), a munitions manufacturer that began producing motorcycles in 1900.

The Margie and Robert E. Petersen Collection