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The MV Agusta 350 Ipotesi (Hypothesis) was a motorcycle produced by the Italian manufacturer MV Agusta from 1975 to 1977. The machine was conceived by Italian designer Giorgetto Giugiaro and based on the previous 350 B Sport Elettronica model.[4] 1,991 "Sports"[1] and 350 “Turismo” machines were produced.[2]

MV Agusta 350 Ipotesi

Manufacturer	MV Agusta
Also called	1975 MV Agusta 350 Ipotesi
Production	1975-1977
Predecessor	MV Agusta 350B
Engine	349 cc four-stroke OHV parallel twin
Bore / stroke	63 x 56 mm
Compression ratio	9.2:1
Top speed	160 km/h (99 mph)
Power	34 hp (25 kW) @ 8,500 rpm
Transmission	Wet, multi-plate clutch, unit construction 5-speed gearbox, chain drive
Suspension	Front: Ceriani Teledraulic forks Rear: swinging arm with hydraulic dampers
Brakes	Front: 230 mm twin disc brakes Rear: 230 mm disc brake (GT model: 200 mm drum brake)
Tires	Front: 2.75 x 18 Rear: 3.25 x 18
Wheelbase	1,310 mm
Dimensions	L: 1,970 mm W: 620 mm
Weight	160 kg (353 lb) (dry)
Fuel capacity	16 l
Footnotes / references [1][2][3][4]

Background

Following the death of Count Domenico Agusta in 1971,[5] the financial situation of MV Agusta suffered a rapid decline, brought on by competition from low cost, high quality Japanese motorcycles and ongoing labour problems. Giorgetto Giugiaro (who had previously designed the Suzuki RE5) of design studio Italdesign Giugiaro was commissioned to produce an attractive, more modern design to increase MV's competitiveness in the middle-weight sector. The prototype had striking horizontal lines and sharp contours.[6] The concept machine was first shown at the 1973 Milan EICMA Motorcycle Show.[4]

Features

Developed from the 350 B models, the 350 cc four-stroke OHV parallel twin featured new casings to match the styling of the machine. The angular cylinder heads, matching the straight lines of the machine, completed the then state-of-the-art concept.[7] Power output was increased from 27 hp (20 kW) @ 7,800 rpm[8] to 34 hp @ 8,500 rpm.[3]

A new frame was produced using steel tubing only (previous models had used tube and sheet steel). Tank, seat and side panels were all new. The seat had the rear mudguard attached and the side panels were slotted, mimicking the cooling fins of the engine.[1]

Scarab disc brakes were fitted, twin at the front and single rear. Ceriani forks and cast alloy wheels were also fitted. This was the first Italian production bike with 3 disc brakes and alloy wheels.[9]

A full fairing was also available as an option.[10]

350 Ipotesi GT

A touring version, the 350 Ipotesi GT, which was also known as the 350 Ipotesi Turismo was also produced. A more conventional rear seat was used, with a separate rear mudguard and higher handlebars were fitted. The mudguards and exhaust were finished in chrome, as opposed to painted on the sport model. A different tank was fitted, which was finished in gold and blue.[2][11]

The twin front discs were retained, but a drum brake was used on the rear. Wire wheels were fitted.[2]

Hansen & Schneider special models

German MV Agusta importer Hansen & Schneider, obtained rights to manufacture MV Agusta motorcycles in the mid-1970s.[12] They produced two 500 cc variants of the Ipotesi.[13]

• MV Agusta 500 S (1976-77): The 350 cc engine's bore was increased to 75 mm, giving a displacement of 472 cc and a power output of 53 hp (39 kW) @ 8,900 rpm. Larger 3.00x18 front and 3.50x18 rear tyres were fitted.[13] An optional reduced-power version with 43 hp (32 kW) @ 8,200 rpm was available.[8]

• MV Agusta 500 SS (1977): a racing version was offered to special order. The machine had a completely revised engine with double overhead camshafts and produced 66 hp @ 11,100 rpm. Five examples were built.[13]

References

Bibliography

• Colombo, Mario; Patrignani, Roberto (2000). MV Agusta (in German) (Aufl ed.). Motorbuch-Verl. ISBN 978-3613014169.
• Schwab, Ulrich (1987). Motorräder : 1970-1987; Typen, Daten u. Preise in Deutschland (in German) (1. Aufl ed.). Motorbuch-Verlag. ISBN 9783613011724.
• Walker, Mick (1998). Mick Walker's Italian Racing Motorcycles. Redline Books. ISBN 9780953131112.
• Motorrad Katalog 1977. Motorpresse, München. 1977.

External links

• MV Agusta 350S Ipotesi by Parkmanager on YouTube

На других языках

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[de] MV Agusta 350 Sport

Die MV Agusta 350 Sport auch MV Agusta 350 Ipotesi war ein Motorrad der Firma MV Agusta das von 1975 bis 1977 gebaut wurde. Von dieser aus einer Designstudie entstandenen Modellreihe wurden 1991 Exemplare gefertigt.[1]

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- [en] MV Agusta 350 Ipotesi

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[it] MV Agusta 350 "Ipotesi"

La MV Agusta 350, meglio conosciuta come "Ipotesi", è un motociclo prodotto dalla casa di Cascina Costa dal 1975 al 1977.

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