Ducati Supersport 950 S (2021) vs Harley-Davidson Harley Davidson FXSTD/I Softail Deuce (1999-01) vs Ducati 748 SPS (1998-99)
Comparison technical specifications
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| Make: | Ducati | Harley-Davidson | Ducati |
| Model: | Supersport 950 S | Harley Davidson FXSTD/I Softail Deuce | 748 SPS |
| Years: | 2021 | 1999-01 | 1998-99 |
| Engine: | Testastretta 11°, L-Twin cylinder, 4 valve per cylinder, Desmodromic | Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven |
| Capacity: | 937 cc / 57.2 cu in | 1449 cc / 88.4 cu-in | 748 cc / 45.6 cu in |
| Bore x Stroke: | 94 x 67.5 mm | 95.3 x 101.6 mm | 88 x 61.5 mm |
| Compression Ratio: | 12.6:1 | 8.9:1 | 11.6:1 |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Induction: | Electronic fuel injection system, 53 mm throttle bodies with full Ride-by-Wire | Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection | Weber I.A.W. CPU 1.6M |
| Ignition: | Electronic | Single-fire, non-wasted, map-controlled spark ignition | Electronic |
| Starting: | Electric | Electric | Electric |
| Max Power: | 81 kW / 110 hp @ 9000 rpm | 67 hp / 48.8 kW @ 5200 rpm | 72.1 kW / 98 hp @ 1100 rpm |
| Max Torque: | 93 Nm / 69 ft-lb @ 6500 rpm | 116.6 Nm / 86 lb-ft @ 3500rpm | 75 Nm / 7.65 kg-m /55.3 ft-lb @ 8700 rpm |
| Clutch: | Wet multiplate clutch, slipper and self-servo with hydraulic control. Self bleeding master cylinder | Wet 9-plate | Dry, multi-plate, hydraulic control |
| Transmission: | 6-Speed with Ducati Quick Shift (DQS) up/down EVO | 5 Speed | 6 Speed |
| Final Drive: | Chain, front sprocket 15, rear sprocket 43 | Belt | Chain, 520 VL4 - 5/8" x 1/4" |
| Frame: | Tubular steel Trellis frame attached to the cylinders head | Mild steel, rectangular section backbone w/twin downtubes Swing Arm Tubular mild steel | Trestle type constructed of "ALS 450" steel alloy |
| Front Suspension: | Fully adjustable 48 mm USD Öhlins fork with TiN treatment | 41.3 mm telescopic, “beer can” covers | Inverted type, 43 mm diameter stanchions, Showa GD051, fully adjustable |
| Rear Suspension: | Progressive linkage with fully adjustable Öhlins monoshock. Aluminum single-sided swingarm. | Hidden, horizontal-mounted, coil-over shock | Progressive linkage with adjustable monoshock, Showa GD052-007-02 |
| Front Brakes: | 2 x 320 mm Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-piston, radial pump with Bosch Cornering ABS. Self bleeding master cylinder | Single 292mm disc 4 piston caliper | 2 x 320mm Discs, 4 piston calipers, Brembo |
| Rear Brakes: | 245 mm disc, 2-piston caliper, Bosch Cornering ABS | Single 292mm disc 4 piston caliper | Single 220 mm disc, 1 piston caliper, Brembo |
| Front Tyre: | 120/70 ZR17 Pirelli Diablo Rosso III | MH90-21 54H | 120/60 ZR17 |
| Rear Tyre: | 180/55 ZR17 Pirelli Diablo Rosso III | 160/70B17 73V | 180/55 ZR17 |
| Rake: | 24° | 34° | 25° |
| Wheelbase: | 1478 mm / 58.3 in | 1699 mm / 66.6 in | 1410 mm / 55.5 in |
| Seat Height: | 810 mm / 31.9 in | Laden 658.9 mm / 26.0 in Unladen 719 mm / 28.3 in | 790 mm / 31.1 in |
| Dry Weight: | 184 kg / 405 lbs | 292.7 kg / 644.6 lbs | 198 kg / 436 lbs |
| Fuel Capacity: | 16 Litres / 4.2 US gal | 18.5 Litres / 4.9 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal |