Ducati Supersport 950 S (2021) vs Harley-Davidson Harley Davidson FXSTD/I Softail Deuce (1999-01) vs Ducati 748 SPS (1998-99) vs Moto Guzzi 850GT (1970-71) vs Hyosung GV 650 Aquila (2007-09) vs Harley-Davidson Harley Davidson FXSTB/I Softail Night Train (1999-01) vs Ducati 900SS (1993-94) vs MV Agusta 125 Pullman (1953-56)

Comparison technical specifications

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Make:	Ducati	Harley-Davidson	Ducati	Moto Guzzi	Hyosung	Harley-Davidson	Ducati	MV Agusta
Model:	Supersport 950 S	Harley Davidson FXSTD/I Softail Deuce	748 SPS	850GT	GV 650 Aquila	Harley Davidson FXSTB/I Softail Night Train	900SS	125 Pullman
Years:	2021	1999-01	1998-99	1970-71	2007-09	1999-01	1993-94	1953-56
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	Four stroke, 90° V twin, longitudinally mounted, OHV, 2 valve per cylinder	Four stroke, 90° V twin, DOHC, 4 valve per cylinder.	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, SOHC, desmodromic 2 valves per cylinder, belt driven	Two stroke, single cylinder
Capacity:	937 cc / 57.2 cu in	1449 cc / 88.4 cu-in	748 cc / 45.6 cu in	844 cc / 51.5 cu-in	647 cc / 39.4 cu-in	1449 cc / 88.4 cu-in	904 cc / 55.2 cu in	125 cc / 7.6 cu-in
Bore x Stroke:	94 x 67.5 mm	95.3 x 101.6 mm	88 x 61.5 mm	83 x 78 mm	81.5 x 62 mm	95.3 x 101.6 mm	92 x 68 mm	53 x 56 mm
Compression Ratio:	12.6:1	8.9:1	11.6:1	9.2:1	11.4:1	8.9:1	9.2:1	6.1:1
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	2x 36mm Dell'Orto VHB	2x 38 mm Carburettor	Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection	Mikuni BDST 38-B67	17 mm Carburettor
Ignition:	Electronic	Single-fire, non-wasted, map-controlled spark ignition	Electronic	Battery with double contact breaker with automatic advance	Digital CDI	Single-fire, non-wasted, map-controlled spark ignition	Kokusan electronic inductive discharge	Flywheel magneto
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Kick
Max Power:	81 kW / 110 hp @ 9000 rpm	67 hp / 48.8 kW @ 5200 rpm	72.1 kW / 98 hp @ 1100 rpm	84 hp / 62.6 kW @ 6500 rpm	72.1 hp / 52.4 kW @ 9000 rpm	67 hp / 48.8 kW @ 5200 rpm	61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm)	3.7 kW / 5.0 hp @ 4500 rpm
Transmission:	6-Speed with Ducati Quick Shift (DQS) up/down EVO	5 Speed	6 Speed	5 Speed	6 Speed	5 Speed	6 Speed	3 speed
Final Drive:	Chain, front sprocket 15, rear sprocket 43	Belt	Chain, 520 VL4 - 5/8" x 1/4"	Shaft	Belt	Belt	Chain	Chain
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	Telescopic forks	41mm upside down forks.	41.3 mm telescopic, “beer can” covers	41 mm Showa fully adjustable inverted fork	Telescopic mechanical fork
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	Dual shocks	Dual shocks	Hidden, horizontal-mounted, coil-over shock	Progressive type with adjustable Showa GD monoshock	Swingarm integrated with engine. First series with one central mechanical shock and two hydraulic. Second series with two hydraulic shocks.
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	Single 300mm disc	2x 300mm discs	Single 292mm disc 2 piston caliper	2 x 320 mm discs	123mm Drum
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	Drum	Single 230mm disc	Single 292mm disc 2 piston caliper	Single 245 mm disc	123mm Drum
Front Tyre:	120/70 ZR17 Pirelli Diablo Rosso III	MH90-21 54H	120/60 ZR17	4.00-18	110/70-17 54H	MH90-21 54H	120/70-17	3.50-15
Rear Tyre:	180/55 ZR17 Pirelli Diablo Rosso III	160/70B17 73V	180/55 ZR17	4.00-18	180/55-17 69H	150/80B 16 71H	170/60-17	3.50-15
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	25 Litres / 6.6 US gal	15 Litres / 4.2 US gal	18.9 Litres / 5.0 US gal	17.5 L / 4.6 US gal / 3.8 Imp gal	13 Litres / 3.4 US gal