Ducati 250 Scrambler (1962-64) vs Ducati 400F3 (1986)
Comparison technical specifications
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| Make: | Ducati | Ducati |
| Model: | 250 Scrambler | 400F3 |
| Years: | 1962-64 | 1986 |
| Engine: | Four stroke, single cylinder, Desmo SOHC, bevel gear driven | Four stroke, 90°“L” twin cylinder, Desmo SOHC, belt-driven |
| Capacity: | 249.2 cc / 15.2 cu in | 398 cc / 24.3 cu in |
| Bore x Stroke: | 73.7 x 58.4 mm | 70.5 x 51mm |
| Compression Ratio: | 9.2:1 | 10.4:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | Dell'Orto 29 mm carburetor | Dell'Orto PHF30M carburetor (1988: PHF36) |
| Ignition: | Coil, generator | Electronic ignition, Bosch BTZ |
| Starting: | Kick | Electric |
| Max Power: | 13.2 kW / 18 hp @ 7500 rpm | 34.6 kW / 47 hp @ 10000 rpm |
| Clutch: | Wet, multiplate | Wet multiplate |
| Transmission: | 5 Speed | 5-speed (1988:) 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Hydraulic fork | 35 mm Marzocchi fork |
| Rear Suspension: | Swingarm,dual shocks | Single adjustable shock, Boge |
| Front Brakes: | 180mm Drum | 2 x 260mm discs |
| Rear Brakes: | 160mm Drum | Single 260 mm disc |
| Front Tyre: | 3.50-19 | 100/90-18 |
| Rear Tyre: | 4.00-18 | 120/80-18 |
| Dimensions: | Length: 2020 mm / 79.5 in Width: 820 mm / 32.3 in Height: 1050 mm / 41.3 in | Length: 2050 mm / 80.7 in Width: 670 mm / 26.4 in Height: 900 mm / 35.4 in |
| Wheelbase: | 1350 mm / 53.1 in | 1400 mm / 55.1 in |
| Seat Height: | 750 mm / 29.5 in | 750 mm / 29.5 in |
| Dry Weight: | 109 kg / 240 lbs | 180 kg / 397 lbs |
| Fuel Capacity: | 11 L / 2.9 US gal / 2.4 Imp gal | 1986: 22L / 5.8 US gal / 4.8 Imp gal 1987 - 88: 18 L / 4.8 US gal / 4.0 Imp gal |