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 Perun - 454
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Photo ou archives : G. Bonnafous

Capacity : 454
Model :
Production : 1904 - 1906
Category : (R) Street Bike


450cc - 1906

Bohemian pioneer

In the early 1900s, Bohemia was the industrial heartland of the Austro-Hungarian Empire, and – along with Laurin-Klement, Walter and Torpedo – Perun was one of the very first makes of motorcycle to appear in this ancient crownland, which became Czechoslovakia in 1918.

Singles and Twins

The Perun motorcycle was built by Zdarsky, Podoli & Svijan, a firm based at Tumov, in the Sudetenland. The company was founded by F. and J. Zdarsky. Production began in 1904, with 3 hp singles sold in very small numbers, followed by 4.5 hp V-twins (the engines were probably supplied by Fafnir). The twins were exhibited at the Prague and Vienna Shows starting in 1905, while the singles participated in competition with some success.

Dual Identity

Although the history of the marque is obscure – all the factory records were destroyed in the turbulence of this East European region – it is known that the majority of the motorcycles built by Zdarsky were marketed under the name "Vulkan." After a reorganization, the firm was taken over by Ruzicka, who had been production manager under Zdarsky. However, WWI proved fatal to the business, and the construction of bikes ceased in 1918. The firm then restricted its activities to the manufacture of clip-on 1.4 hp engines and cycle components, before vanishing altogether in 1924.


Engine: 454cc (78x95mm) air-cooled single-cylinder four-stroke; low-tension magneto

Power Rating: 3 hp

Valves: automatic intake, side exhaust

Fuel System: carburetor

Transmission: direct-belt drive

Suspension: none

Brakes: band brake (rear)

Wheels: wire clincher (front & rear)

Weight: 154 lb

Maximum Speed: 40 mph

Though this big bike may appear crude, it nevertheless shows the high technical level achieved by all the Austro-Hungarian marques at the turn of the century.

Le fichier Moto Passion réalisé par François-Marie Dumas réunit près de deux mille photos accompagnées d'un historique très complet des machines présentées.
Il sera progressivement mis à jour ici et toute information complémentaire est la bienvenue sur info@moto-collection.org.

Cette documentation unique, qui constitue sans doute l'encyclopédie la plus exhaustive jamais écrite sur l'histoire de la moto, a été réalisée avec l'assistance de nombreux spécialistes dont principalement Didier Ganneau, Christophe Gaime, Mick Woollett, Jean Goyard, Bernard Salvat, Christian Rey, Yves Campion, Helmut Krackowizer, Michael Dregni, Michel Montange, etc. que je remercie ici.

Disponible sur demande :
- Les fiches originales sur papier
- Les photos et archives signées de mon nom en haute définition ou les documents originaux.
Me contacter sur info@moto-collection.org pour les conditions et droits d'utilisation.