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The Rolls-Royce Merlin engine originally came with a direct carburettor, prone to cut-out due to fuel flooding in negative G. Beatrice Shilling Miss Shilling's orifice was a very simple technical device created to counter engine cut-outs experienced during negative G manoeuvres in early Spitfire and Hurricane fighter aeroplanes during the Battle of Britain.
The Piaggio Free was introduced in the end of 1992 and was Piaggio's first modern scooter defined as “high wheels”. It was only available with a two-stroke 50 engine delivering 4.6 HP and was positioned as the least expensive scooter model within the 1990s Piaggio range, slightly more expensive than the Ciao and Si mopeds.
They rolled out two world firsts in 2004: a gas-electric hybrid scooter and a sophisticated tilting scooter with two wheels in front and one in back to grip the road better. One of Piaggio's problems Colaninno couldn't fix from the inside was its scale. Even though Piaggio was the European market leader, it was dwarfed by rivals Honda and Yamaha.
Introduced in 2001, the Piaggio Beverly has been produced in engine sizes ranging from 125 to 500 cc. Early models were powered by Piaggio's water-cooled L.E.A.D.E.R. engine. In 2005 models with 250 cm 3 and 500 cm 3 displacement were also presented and the engine range was subsequently expanded to 300 cm 3, 350 cm 3 and 400 cm 3 displacement.
The Vespa PX was first presented in 1977 in Milan as the nuova linea model (new line). The Vespa was built with two drum brakes, a single-cylinder air cooled engine (aluminum head) and a steel chassis, but has been improved with a new front suspension and a revised rear axle for more stability.
Sight-glass lubricator. A needle valve adjusts the rate of flow, which may be seen as drops passing through the window beneath the glass reservoir.. A total-loss oiling system is an engine lubrication system whereby oil is introduced into the engine and then either burned or ejected overboard.
All models sport a single-cylinder, four-stroke, multi-valve engine that meets Euro 3 European emission standards, and have a continuously variable transmission (CVT) The 125 cc model has a carburetor 124 cc Lead engine, 11 kW (15 hp), the 250 cc has a liquid-cooled, fuel-injected 244 cc Quasar engine that delivers 16.5 kW (22.1 hp), and the 400 cc model's Master liquid-cooled, electronic fuel ...