Английская Википедия:Ducati Monza

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Шаблон:Short description Шаблон:Use dmy dates Шаблон:Use British English Шаблон:Infobox motorcycle The Ducati Monza is a Шаблон:Convert single cylinder bevel drive SOHC motorcycle produced by the Italian manufacturer Ducati from 1961 to 1968.Шаблон:Sfn It was the touring version of Ducati's first 250 cc road bike.Шаблон:Sfn Reviews of the Monza praised its speed, road holding, engine smoothness and brakes.Шаблон:SfnШаблон:Sfn

History

Following the success in racing of the 250 F3, and using an engine based on that of the racer, Ducati introduced its first 250 cc road bikes at the April 1961 Milan Fair. The bikes were offered in two versions, the touring Monza and sports Diana.Шаблон:Sfn The Monza has a softer cam, a more padded seat, deeper mudguards, higher handlebars and a smaller tank.Шаблон:Sfn

The 1963 US model was finished in black and chrome.Шаблон:Sfn

In 1964 the electrics were updated and the kick start ratio was changed.Шаблон:Sfn The gearbox was changed to a 5 speed unit in 1965,Шаблон:Sfn along with a smaller Шаблон:Convert tank.Шаблон:Sfn

The styling was updated in 1966 with a new tank, more padded seat, side panels and front and rear lights. The styling was shared with the Monza Junior and the Sebring.Шаблон:Sfn

A square headlight was fitted in 1967 and 68.Шаблон:Sfn

The American motorcycle market slumpedШаблон:Sfn and in 1967 Ducati importers, Berliner Motor Corporation were in financial trouble and refused a consignment of 3,500 machines from the factory. These machines were sold to Liverpool businessman Bill Hannah, who sold the bikes to the public between 1968 and 1972.Шаблон:Sfn Some of these were Monzas which were sold at a discounted price.Шаблон:SfnШаблон:Sfn Hannah offered no support or spares network for the bikes he sold which damaged Ducati's reputation in the UK.Шаблон:Sfn

The bike was fitted with the improved 'wide case' engine in 1968, the final year of productions.Шаблон:Sfn Two versions were made of the Monza, one for the US and the other for Europe.Шаблон:Sfn

Technical details

Engine and transmission

The single cylinder bevel drive OHC engine was of unit construction and had alloy head and alloy barrels with cast iron liners.Шаблон:Sfn Ball bearings were used in the main bearings and big endШаблон:Sfn and hairspring valve springs were used to close the valves.Шаблон:Sfn Bore and stroke were Шаблон:Convert giving a displacement of Шаблон:Convert. Compression ratio was 8:1.Шаблон:Sfn Claimed power output was Шаблон:Convert @7,200 rpm, giving the machine a top speed of Шаблон:Convert.Шаблон:Sfn

Fuel was delivered by a 24 mm Dell'Orto UFB carburettor.Шаблон:Sfn Wet sump lubrication was usedШаблон:Sfn and ignition was by battery and coilШаблон:Sfn with the points under a cover on the right hand side of the engine.Шаблон:Sfn

Primary drive was by helical gears to a multi-plate wet clutch and 4 speed gearbox.Шаблон:Sfn A 5 speed cluster was fitted from 1965.Шаблон:Sfn Chain drive took power to the rear wheel.Шаблон:Sfn

The 'wide case' engine was introduced in 1968, the last year of production.Шаблон:Sfn Although the specifications were similar to the 'narrow case' engine, the new engine had a stronger bottom end with bigger main bearings and big end. Capacity of the wet sump was increased from 4 to 5.5 pintsШаблон:Sfn and the kickstart mechanism has been upgraded from the earlier models.Шаблон:Sfn

Cycle parts

The single cradle frame used the engine as a stressed member.Шаблон:Sfn When the wide case engine was introduced the frame was modified for the wider rear mountings and twin rear loops were added which made the frame stronger and stiffer.Шаблон:Sfn Rear suspension was by swinging arm with twin 3-way adjustable Marzocchi shock absorbers. At the front Marzocchi telescopic forks were fitted.Шаблон:Sfn Brakes were drums, the front being Шаблон:Convert diameter and the rear Шаблон:Convert.Шаблон:SfnШаблон:Sfn

References

Шаблон:Reflist

Bibliography

External links

Шаблон:Ducati

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