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see motorcyclemotorcycle,
motor vehicle whose design is based on the bicycle. The German inventor Gottlieb Daimler is generally credited with building the first practical motorcycle in 1885. The motorcycle did not become dependable and popular, however, until after 1900.
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a name designating a two-wheeled vehicle with an internal-combustion engine with a piston displacement of up to 49.8 cm3 and pedal and chain drive to the rear wheel.

In the USSR, light mopeds are equipped with an engine having a piston displacement of 45 cm3 and a power of 0.88–1.1 kilowatt (kW), or 1.2–1.5 hp; they have no transmission and are capable of speeds of up to 40 km/hr. Standard mopeds are equipped with a one-cylinder two-cycle engine with a piston displacement of 49.8 cm3 and a power of 1.62–1.84 kW (2.2–2.5 hp), with a two-speed transmission. They are capable of speeds of up to 50 km/hr. Shifting is accomplished by operating a handle on the left handlebar. Pedals are used to start the engine, for braking, and as a support for the feet while riding. Mopeds are also frequently equipped with a stepless, automatic V-belt drive and an electronic ignition system. Mopeds with a motor driven by a storage battery have appeared in some foreign countries.

Mass production of mopeds began in the late 1940’s and is increasing continuously. In the USSR mopeds are manufactured in Riga and L’vov (see Table 1). Production in 1972 was 340,000 units.

Table 1. Technical characteristics of Soviet mopeds
 Riga-7Riga- 12 and Verkhovina-4
Type of engine .....D-6Sh-57
Maximum engine power,
kW (hp) .....
0.88 (1 .2)
@ 4,500 rpm
1.62 (2.2)
@ 5,300 rpm
Maximum speed (km/hr) .....4050
Weight (kg) .....3652


Grishin, E. M., and Z. la. lanson. Mopedy: Ustroistvo i ekspluatatsiia. Moscow, 1966.



Brit a light motorcycle, not over 50cc
References in periodicals archive ?
He was thrown from a moped after the driver lost control and skidded off the road.
Three of their mopeds were dark in colour and the other was red.
The object of procurement is the procurement of spare parts (hereinafter referred to as goods) and services for maintenance (hereinafter: a) a moped brands Tomos type: APN 6 S, PTT APN, APN A6 and HIP HOP, according to the description and the quantities specified in the Bill of Quantities in section XII.
Cresa was engaged by Flux Mopeds to locate a downtown retail location that could serve as the company's headquarters and dealership.
The launch of the vehicle in the UK follows EU legislation which from January 19 will allow carpeds to be driven on the nation's roads with a moped licence.
And postmen hardly take advantage of the advance on the mopeds, he said.
For instance, after an interview and selection process, applicants may be offered the loan of a moped for six months along with basic training, safety equipment, insurance, tax, breakdown cover, servicing and maintenance.
THE moped robbers who knocked a young woman off her bicycle and left her for dead may have struck again on the same day, say police.
TWO teenagers were killed and a third injured after crashing their overloaded moped on the way home from a pub.
Worcestershire County Council is looking for new recruits to its Workwise initiative, which loans out mopeds to those wanting a short-term transport solution to get to work or training schemes.
All vans have been fitted with a special ramp to transport mopeds across the county.
Last but not least, if you want to get around cheaply, the moped option is now available, with numerous Japanese, Chinese and even Indian mopeds on offer in the range of JD 1,000 and with a scrooge-like appetite for petrol.