Ducati 450 Scrambler (1973-78)

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

Year: 1973 – 78

Engine: Four stroke, single cylinder, SOHC, bevel gear driven

Capacity: 435.7 cc / 26.6 cu in

Bore x Stroke: 86 x 75 mm

Compression Ratio: 9.3:1

Cooling System: Air cooled

Induction: Dell’Orto VHB 29 AD

Spark plug: Marelli CW260N / Lodge 2HN

Ignition: Points and coil (electronic from 1973)

Starting: Kick

Battery: SAFA 3L3, 13.5 Ah

Max Power: 16.9 kW / 23 hp @ 6500 rpm

Clutch: Wet, multiplate

Transmission: 5 Speed

Primary Drive Ratio: 2.111:1 (27/57)

Gear Ratios: 1st 2.46 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1

Final Drive Ratio: 2.917:1

Final Drive: Chain

Front Suspension: 35 mm Marzocchi telescopic fork

Rear Suspension: Swingarm, dual Marzocchi shocks, 3-way adjustable

Front Brakes: Drum, 180 mm

Rear Brakes: Drum, 160 mm

Front Tyre: 3.50 x 19, Pirelli

Rear Tyre: 4.00 x 18, Pirelli

Dimensions: Length: 2120 mm / 83.5 in Width: 940 mm / 37.0 in Height: 1150 mm / 45.3 in

Wheelbase: 1380 mm / 54.3 in

Seat Height: 770 mm / 30.3 in

Dry Weight: 133 kg / 293 lbs

Fuel Capacity: 13 L / 3.4 US gal / 2.9 Imp gal