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Ducati 450 Scrambler (1973-78)

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Ducati 450 Scrambler (1973-78)

At a glance

Capacity
435.7 cc / 26.6 cu in
Power
16.9 kW / 23 hp @ 6500 rpm
Seat height
770 mm / 30.3 in

The full picture.

The Ducati 450 Scrambler Jupiter was produced between 1973-78 and featured a four-stroke, single-cylinder, SOHC, bevel gear-driven engine with a 435.7cc capacity, delivering 16.9 kW/23 horsepower at 6500 RPM. The compression ratio was 9.3:1, and the bike was air-cooled. Ignition was done through points and coil, but later models had electronic ignition. The transmission was five-speed, and the clutch was wet and multiplate. The bike had a front drum brake of 180 mm and a rear drum brake of 160 mm. The front suspension was a 35 mm Marzocchi telescopic fork, and the rear suspension featured a swingarm with dual Marzocchi shocks, three-way adjustable. The front tire was a 3.50 x 19 Pirelli, and the rear tire was a 4.00 x 18 Pirelli. The bike had a length of 2120 mm, a width of 940 mm, and a height of 1150 mm. The wheelbase was 1380 mm, and the seat height was 770 mm. The dry weight was 133 kg, and the fuel capacity was 13 L. Overall, the Ducati 450 Scrambler Jupiter was a well-rounded bike with a powerful engine, sturdy suspension, and reliable braking system that made it popular during its production years.


Technical specifications:

Make Model: Ducati 450 Scrambler Jupiter

Motorcycle technical specifications
Year1973 – 78
EngineFour stroke, single cylinder, SOHC, bevel gear driven
Capacity435.7 cc / 26.6 cu in
Bore x Stroke86 x 75 mm
Compression Ratio9.3:1
Cooling SystemAir cooled
InductionDell’Orto VHB 29 AD
Spark plugMarelli CW260N / Lodge 2HN
IgnitionPoints and coil (electronic from 1973)
StartingKick
BatterySAFA 3L3, 13.5 Ah
Max Power16.9 kW / 23 hp @ 6500 rpm
ClutchWet, multiplate
Transmission5 Speed
Primary Drive Ratio2.111:1 (27/57)
Gear Ratios1st 2.46 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1
Final Drive Ratio2.917:1
Final DriveChain
Front Suspension35 mm Marzocchi telescopic fork
Rear SuspensionSwingarm, dual Marzocchi shocks, 3-way adjustable
Front BrakesDrum, 180 mm
Rear BrakesDrum, 160 mm
Front Tyre3.50 x 19, Pirelli
Rear Tyre4.00 x 18, Pirelli
DimensionsLength: 2120 mm / 83.5 in Width: 940 mm / 37.0 in Height: 1150 mm / 45.3 in
Wheelbase1380 mm / 54.3 in
Seat Height770 mm / 30.3 in
Dry Weight133 kg / 293 lbs
Fuel Capacity13 L / 3.4 US gal / 2.9 Imp gal