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1952 – The 18cc German Lohmann is one of the few semi-diesel bike motors ever produced and is claimed to be the world's smallest bike motor. [ 16 ] [2] 1966 – The Vélosolex 3800 is introduced and becomes the most popular version of the Vélosolex motorized bicycle, production continues until 1988.
A motorized bicycle is a bicycle with an attached motor or engine and transmission used either to power the vehicle unassisted, or to assist with pedalling. Since it sometimes retains both pedals and a discrete connected drive for rider-powered propulsion, the motorized bicycle is in technical terms a true bicycle, albeit a power-assisted one.
The Millet motorcycle, designed in 1892 by Félix Théodore Millet, may have been the first motorcycle (or motorized bicycle) to use pneumatic tires. [1] It had an unusual radial-configuration rotary engine incorporated into the rear wheel, believed to be the first one ever used to power a person-carrying vehicle of any type.
The VRSC was introduced in 2001 in a single model called the V-Rod aiming to compete against Japanese and American muscle bikes. The V-Rod's Revolution engine was developed for road use by Porsche Engineering with the aid of a few Harley-Davidson engineers [6] [7] [8] from Harley-Davidson's VR1000 V-twin racing bike engine.
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.
The appeal came largely from the high output of its 100 cc (6.1 cu in) engine. With its lightweight body and high power output, the resulting power to weight ratio of the bike made it the best 100 cc bike ever built for mass production, and as a result there is still a high demand for it many years after it ceased production.
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Engine: Single cylinder two-stroke 7.9 cu. in. (130 cc) Bore / stroke: 2 x 2.53 inch: Compression ratio: 6.5:1: Power: 4 hp at 5000 rpm: Ignition type: magneto (by Phelon, later Wico) and dual spark plugs: Transmission: 1935-1941: direct drive, no clutch 1941-1953: direct drive with clutch 1953-1960: variable-speed automatic: Frame type: double ...