Ducati 450 Jupiter Scrambler (1969-70)

The Ducati 450 Jupiter Scrambler was manufactured from 1969 to 1970 and was equipped with a four-stroke, single cylinder, SOHC engine which had a capacity of 435.7cc. It had a compression ratio of 9.3:1 and was cooled by air. The bike used a Dell’Orto VHB 29 AD induction system, and power was delivered through a wet, multi-plate clutch system which was mated to a five-speed transmission. The bike’s primary drive ratio was 2.111:1, while its final drive ratio was 2.917:1. The suspension consisted of a 35mm Marzocchi telescopic fork at the front and a swingarm with dual Marzocchi shocks at the rear, adjustable in three ways. The bike was equipped with drum brakes, with the front brake having 180mm and the rear brake having 160mm in diameter. It had a wheelbase of 1380mm, a dry weight of 133kg and a fuel capacity of 13 liters. The bike’s dimensions were 2120mm in length, 940mm in width, and 1150mm in height. The Ducati 450 Jupiter Scrambler was capable of producing 16.9 kW / 23 hp @ 6500 rpm. The bike’s final drive was via a chain and its tires were manufactured by Pirelli, with the front tire having a size of 3.50 x 19, and the rear tire having a size of 4.00 x 18.

Technical specifications:

Make Model: Ducati 450 Scrambler Jupiter

Year: 1969 – 70
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