A Brief History of the Marque: MAS
MAS (1920-56)
MAS ( Motoscafo Anti Sommergibile ) was founded by Alberico Seilig,
a successful motorcyle designer. Early machines had 148cc, 173cc and 244cc
ohv and sv engines with pedalling gears and large outside flywheels. Production
in the 1930's concentrated on budget priced 248cc, 348cc and 568cc side
valves along with a luxury touring model with a 498cc ohv engine. Most
late '30's models offered rear suspension and all models had inclined cylinders.
During WWII, MAS supplied the Italian forces with 498cc ohv singles
and a 173cc two stroke. An innovative 122cc single, the Stella Alpina,
was introduced in the late '40's. It had a top end cast in the form of
two concentric cylinders with an inner cylinder joined to an outer cylinder
by a series of vertical fins. The theory behind it was that such a configuration
would keep the engine cool at low speeds. It was not a commercial success.
More conventional models in the '50's had 173cc ohv and ohc engines,
and an interesting 500cc ohc twin intended for racing never left the prototype
stage. Before the company folded, MAS was reduced to making utilitarian
124cc two strokes and a Sachs engined 49cc mini-scooter. This venerable
Milanese company closed its doors in 1956.
Hope this is useful ...
Cheers,
Bill Hooben
October 2, 2003
February 18th 2005
MAS Stella Alpina 175 at Ebay.it
September 25, 2003
MAS MOTORCYCLES WANTED: I am seeking a 1930's 250, 350, 500 or 600cc
sv or ohv single in good condition. Bill Hooben
whh at post
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