The MV Agusta 125 Regolarità was a

dual-sport motorcycle A dual-sport motorcycle is a type of street-legal motorcycle that is designed for both on and off-road use. The terms ''all-road,'' ''on/off road,'' and ''dual-purpose'' are also used for this class of motorcycles. Dual-sports are equipped with ...

built from 1965 to 1970 by the

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...

manufacturer

MV Agusta MV Agusta (, full name: MV AGUSTA Motor S.p.A., original name: Meccanica Verghera Agusta or MV) is a motorcycle manufacturer founded by Count Domenico Agusta on 19 January 1945 as one of the branches of the Agusta aircraft company near Milan in ...

at their Cascina Costa plant. Production was 63 machines, built in 2 batches; 46 in 1965 and 17 in 1969. __TOC__

Background

After the ''150 Regolarità'' model of the early fifties, MV Agusta had abandoned the off-road sector, but the popularity of this sector in the sixties caused Count Domenico Agusta to rethink the potential of this new market and ordered the construction of some dedicated machines. In 1963 an off-road competition motorcycle were prepared, the ''125 Regolarità'', derived from the ''Centomila'' model, with a five speed

gearbox Propulsion transmission is the mode of transmitting and controlling propulsion power of a machine. The term ''transmission'' properly refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive vehicles), differe ...

, reinforced

frame A frame is often a structural system that supports other components of a physical construction and/or steel frame that limits the construction's extent. Frame and FRAME may also refer to: Physical objects In building construction *Framing (con ...

and specialised suspension from

Ceriani Ceriani, formerly Arces, was an Italian company that designed and fabricated motorcycle frames and suspensions. The company was founded by Arturo Ceriani in 1951. Arces is an acronym derived from Arturo Ceriani S.r.l. In the European motorcycl ...

. The

four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...

OHV An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located bel ...

single-cylinder engine A single-cylinder engine, sometimes called a thumper, is a piston engine with one cylinder. This engine is often used for motorcycles, motor scooters, go-karts, all-terrain vehicles, radio-controlled vehicles, portable tools and garden machinery ...

was developed to produce 12.5 bhp (9 kW) @ 8,500 rpm. The factory machines we entrusted to Dante Mattioli of the ''Fiamme Oro'' team to race. Good results were obtained, 2 team victories and 30 individual victories. Following the victories consequent interest from riders, a limited production run was made in 1965 for private riders.

Production

Placed on pre-order at 310,000

lira Lira is the name of several currency units. It is the current currency of Turkey and also the local name of the currencies of Lebanon and of Syria. It is also the name of several former currencies, including those of Italy, Malta and Israe ...

in the summer of 1965, the motorcycle was officially presented at the November at the

Milan Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city h ...

EICMA EICMA (''Esposizione Internazionale Ciclo Motociclo e Accessori''), or the Milan Motorcycle Shows is an annual trade show in Milan, Italy featuring motorcycles A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-w ...

Motorcycle Show. Initially production was 46 units. Using the frame from the competition machines and Ceriani forks, the engine was detuned to produce 10 bhp. Also derived from the factory machines was the quickly detachable rear wheel, which left the hub and brake in place when removed. The model featured a high-level

exhaust Exhaust, exhaustive, or exhaustion may refer to: Law *Exhaustion of intellectual property rights, limits to intellectual property rights in patent and copyright law **Exhaustion doctrine, in patent law ** Exhaustion doctrine under U.S. law, in p ...

, rubber mounted

petrol tank A fuel tank (also called a petrol tank or gas tank) is a safe container for flammable fluids. Though any storage tank for fuel may be so called, the term is typically applied to part of an engine system in which the fuel is stored and propelled ...

headlight A headlamp is a lamp (electrical component), lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage (language), usage, ''headlamp'' is the term for the ...

guard and swivelling footrests. A second batch of 17 machines was built in 1969. These machines had a different tank, front brake, forks, and

carburettor A carburetor (also spelled carburettor) is a device used by an internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the venturi tube in the main meterin ...

. Power output was increased to 13 bhp (10 kW) @ 8,000 rpm.

References

{{DEFAULTSORT:MV Agusta 125 Regolarità 125 Regolarità Motorcycles introduced in 1965 Dual-sport motorcycles Single-cylinder motorcycles