The best-known of all MV classic fours...
Type: four stroke.
Number of cylinders: four light alloy cylinders and inserted cast iron cylinder barrels.
Disposition: in line, transversal with motorcycle axis.
Head: light alloy head.
Bore & stroke: 65x56x4
Compression ratio: 1:9.5.
R.P.M. Peak rating: corresponding to 7,900 revolutions p. m.
Max. horsepower: 76 HP S.A.E.
Camshaft: by two overhead camshafts, operated
Clutch: multiple disk in oil bath.
Primary drive: helical gears.
Secondary drive: By means of drive shaft and cardan
joint on rear hub.
Starting: electric starter.
Gearbox: five speed, foot operated lever.
Carburators: four Dell'Orto UB24B2 and UB24BS2.
Exhaust system: four exhaust pipes and four mufflers.
Generator: dynastarter 12V. 135W.
Ignition: by means of ignition coil.
Lubrication: forced.with gear pump mesh filter and
changeable filter element.
Oil tank: in crankcase containing 3 kg.
Type: steel tubes double cradle.
Front fork: telescopic hydraulic.
Rear suspension: swinging arm and spring loading adjusting shock absorbers.
Front tyre: 3.50x18.
Rear tyre: 4.00x18.
Front brake: double drum and double cam (4LS).
Rear brake: central drum.
Stop switch: on rear brake.
Lighting system: 12V, 32 Ah. battery.
Parking: central and side stand.
Weight of dry motorcycle: 230 kg.
Wheelbase: 1.390 mm.
Overall length: 2.110 mm.
Petrol tank: capacity 24 litres, 4 litres reserve included.
Consumption: 7.8 litre per 100 km. (C.U.N.A.)
Max. speed: 225 km. p. hour.
Acceleration: 1/4 mile 14". Standing start.
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