Ducati 750 F1 Desmo (1986) vs Ducati Monster S4 (2002) vs Harley-Davidson Harley Davidson Softail Low Rider ST (2022) vs Ducati 125 Scrambler (1962-63)
Comparison technical specifications
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| Make: | Ducati | Ducati | Harley-Davidson | Ducati |
| Model: | 750 F1 Desmo | Monster S4 | Harley Davidson Softail Low Rider ST | 125 Scrambler |
| Years: | 1986 | 2002 | 2022 | 1962-63 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder | Four stroke, V-Twin, Milwaukee-Eight 117, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder | Four stroke, single-cylinder, OHC |
| Capacity: | 748 cc / 45.6 cu in | 916 cc / 55.9 cu in | 1923 cc / 117 cu-in | 125 cc / 7.6 cu in |
| Bore x Stroke: | 88 x 61.5 mm | 94 x 66 mm | 103.5 x 114.3 mm | 55.2 x 52 mm |
| Compression Ratio: | 10.0:1 | 11:1 | 10.2:1 | 8.0:1 |
| Induction: | 2 x 36 mm Dell'Orto PHF36 carburetors | Marelli electronic fuel injection,50mm throttle body | Electronic Sequential Port Fuel Injection (ESPFI) | 22 mm Dell'Orto carburetor |
| Ignition: | Kokusan electronic | Analogue CDI (Capacitive Discharge Ignition) | Single-fire, non-wasted, map-controlled spark ignition | Magnetic flywheel |
| Starting: | Electric | Electric | Electric | Kick |
| Max Power: | 55.2 kW / 75 hp @ 9000 rpm | 74 kW / 101 hp / @ 8750 rpm | 103 hp / 77 kW @ 4750 rpm | 7.3 kW / 10 hp @ 7000 rpm |
| Clutch: | Wet, multiplate | Dry multiplate with hydraulic control | Mechanical, 10 plate wet, assist & conventional | Wet, multi-disc |
| Transmission: | 5 Speed | 6 Speed | 6 Speed | 4 Speed |
| Final Drive: | Chain | Chain | Belt, 32/66 ratio | Chain |
| Front Suspension: | 40 mm Forcella Italia fork | Showa 43 mm upside-down fully adjustable fork | Single cartridge 43 mm inverted with aluminum fork triple clamps; triple rate spring | Hydraulically damped telescopic fork |
| Rear Suspension: | Round section chrome-moly steel swingarm with adjustable (for preload) cantilever mono-shock, Marzocchi PVS 4 | Progressive linkage with fully adjustable Sachs monoshock with piggy back aluminum swing arm. | Hidden, free piston, coil-over monoshock; 56 mm stroke; hydraulic preload adjustment | Dual plunger shocks |
| Front Brakes: | 2 x 280mm Discs, single piston caliper. | 2 x 320 mm Discs, 4 piston calipers | 2 x 300mm discs, 4 piston caliper | 158 Drum |
| Rear Brakes: | Single 260 mm disc | Single 245 mm disc, 2 piston caliper | Single 292mm disc, 2 piston floating caliper | 136 Drum |