Parvus
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1921 - 1926
Parvus (Motocicli & Motori Parvus, Prova & Sgarbi) engines were built by Testi and Sgarbi in Milan, which could be applied without modification to any bike. The engine was a 104 cc two-stroke that could automatically mix the fuel by placing the mixture in the crankcase, which was done by means of a valve that only opened by pressure that is created in the case, while the closure was performed by a small projection that located on the outskirts of the flywheel. The engine speed was adjustable by means of a valve in the exhaust pipe.
From 1923 they also built their own small motorcycles with A 123 cc two-stroke engines.
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