Address: 1, Impasse del la Cite, Nevers.
The machine offered is identical to a 1924 Hellessen manufactured by Louison. It has a 250cc Moser 4T engine, 3 speed gearbox, chain-chain and Terry seat. It was probably also available with a JAP or Blackburne engine on request, and possibly also with a 350cc Zurcher.
The dealer listed on the advertisement is G. Dariau.
MOTEUR - Monocylindrique, 4 temps, à culbuteurs, marque "Moser", alésage 64mm, course 77m/m. Puissance fiscale 3 CV. Cylindrée 350 cm3.
GRAISSAGE. - Automatique par pompe à débit régiable.
CARBURATEUR. - Automatique "Amac" "J. G.".
EMBRAYAGE. - A disques multiples.
CHANGEMENT DE VITESSES. - A 3 rapports.
TRANSMISSION. - Chaine-chaine.
COFFRE A OUTILS. - Sur le réservoir.
SELLE. - " Terry ", grand modèle.
FREINS. - A segments extensibles AV et AR aver tambours de 130.
VITESSE. - 80 km. à l'heure. BÉQUILLES. - AV et AR.
PNEUS. - Ballon 26x3 1/2 (650x83).
POIDS. - 110 kgs.
CONSOMMATION, - 3 litres 1/2 aux 100 kilomètres.
AMORTISSEURS et frein de direction.
There was Dobro-Motorist brand built in Germany in the 1920s, unrelated to the French marque.
Sources: forum.tontonvelo.com, Didier Mahistre.
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