Ducati 450 Scrambler (1970-71)

The Ducati 450 Scrambler Jupiter was a motorcycle produced between 1970 and 1971. It had a four-stroke, single-cylinder engine with a capacity of 435.7 cc and a compression ratio of 9.3:1. The ignition was through points and coil, which became electronic from 1973. The bike had a maximum power output of 16.9 kW at 6500 rpm and a wet, multi-plate clutch. It had a five-speed transmission with gear ratios of 1st 2.46, 2nd 1.73, 3rd 1.35, 4th 1.10, and 5th 0.97:1. The final drive was through a chain belt system with a final drive ratio of 2.917:1. The front suspension system used a 35 mm Marzocchi telescopic fork while the rear system used a swingarm, dual Marzocchi shocks, with 3-way adjustability. The front and rear brakes used drum brakes with a diameter of 180 mm and 160 mm, respectively. The bike had Pirelli tyres measuring 3.50 x 19 inches for the front and 4.00 x 18 inches for the rear. The motorcycle had a length of 2120 mm, a width of 940 mm, a height of 1150 mm, and a wheelbase of 1380 mm. The seat height was 770 mm and the dry weight was 133 kg. The fuel capacity of the bike was 13 L.

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Technical specifications:

Make Model: Ducati 450 Scrambler Jupiter

Year: 1970 – 71

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