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.
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
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