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Ducati Cucciolo 1950-1951 with a 48 cc Ducati engine. In 1952, with 200,000 Cucciolos already sold, Ducati finally offered its own complete moped based on the successful little pull rod engine, removing the pedals and adding a 3 speed gearbox, creating the model 48 (produced until 1954) and model 55E and 55R. Siata-Ducati Cucciolo 50, 1946. [4]
Motorcycles with a V-twin engine mounted with its crankshaft mounted in line with the frame, e.g. the Honda CX series, are said to have "transverse" engines, [1] [2] while motorcycles with a V-twin mounted with its crankshaft mounted perpendicular to the frame, e.g. most Harley-Davidsons, are said to have "longitudinal" engines.
It has a small hinged rear pod containing the 49 cc 2-stroke engine and two drive wheels powered through a limited slip differential. The Stream was styled and priced as a luxury personal scooter. Honda's suggested retail price in 1981 was ¥198,000, compared to ¥114,000 for a 49cc Super Cub .
At Earls Court, London, in 1976, Batavus showed the seven-model range; six machines were powered by the 48cc Laura engine, with V-belt primary drive and automatic clutch. The exception was the top-of-the-range Mk 4S, with motorcycle styling and the Sachs four-speed motor.
Whizzer bicycle engines are a line of bicycle engines that were produced in the United States from 1939 to 1965. They were commonly sold as kits to be assembled and attached to a consumer's bicycle thus creating a motorized bicycle. Whizzer U.S.A. re-appeared in 1997 to sell an improved version, pre-assembled on an old Schwinn-style bicycle frame.
In November 2017 the “2018 Model Year” introduces the new Piaggio 50 I-Get air-cooled, three-valve, four-stroke, engine Euro 4 approved. The new range is composed by the "basic" Zip and sporty Zip S versions which differ in the bodywork colours [ 7 ] In 2021 the I-Get engine has been re-homologated to Euro 5.
The GY6 engine design is a four-stroke single-cylinder in a near-horizontal orientation that is used on a number of small motorcycles or scooters made in Taiwan, China, and other southeast Asian countries. It has since become a generic technology.
The amount of power generated by a piston engine is related to its size (cylinder volume), whether it is a two-stroke engine or four-stroke design, volumetric efficiency, losses, air-to-fuel ratio, the calorific value of the fuel, oxygen content of the air and speed . The speed is ultimately limited by material strength and lubrication.