Ducati Streetfighter S (2010) vs Harley-Davidson Harley Davidson FXD Dyna Super Glide (1991-94) vs Ducati 900SS (1989-90) vs Harley-Davidson Harley Davidson FXDB Dyna Street Bob (2007-08)

Comparison technical specifications

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Make:	Ducati	Harley-Davidson	Ducati	Harley-Davidson
Model:	Streetfighter S	Harley Davidson FXD Dyna Super Glide	900SS	Harley Davidson FXDB Dyna Street Bob
Years:	2010	1991-94	1989-90	2007-08
Engine:	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder	Four stroke, 45° V-Twin, OHV, 2 valves per cylinder.	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven	Four stroke, 45° V-Twin, Twin Cam 96 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder
Capacity:	1099 cc / 67.1 cu in	1337 cc / 81.5 cu-in	904 cc / 55.2 cu in	1584 cc / 96 cu-in
Bore x Stroke:	104 x 64.7 mm	88.8 x 108 mm	92 x 68 mm	95.3 x 111.1 mm
Cooling System:	Liquid cooled	Air cooled	Air cooled	Air cooled
Compression Ratio:	12.4:1	8.5:1	9.2:1	9.2:1
Induction:	Marelli electronic fuel injection, elliptical throttle bodies	38mm Keihin carburetor	Weber 44DCNF 118	Electronic Sequential Port Fuel Injection (ESPFI)
Ignition:	Digital CDI	Analogue CDI	Electronic inductive discharge	Single-fire, non-wasted, map-controlled spark ignition
Starting:	Electric	Electric	Electric	Electric
Max Torque:	119 Nm / 12.1 kgf-m / 87.5 lb-ft @ 9500 rpm	97 Nm / 71.5 lb-ft @ 2350 rpm	84 Nm / 8.6 kgf-m / 62 ft-lb @ 6400 rpm	124.7 Nm / 92 ft/ lbs. @ 3000 rpm
Transmission:	6 Speed	5 Speed	6 Speed	6 Speed
Final Drive:	Chain	Belt	Chain	Belt
Front Suspension:	Öhlins 43mm fully adjustable upside-down fork with TiN	39 mm w/ polished aluminum fork triple clamp and dual-rate springs	40mm Marzocchi fully adjustable inverted fork	49 mm with polished aluminum fork triple clamp and dual-rate springs,
Rear Suspension:	Progressive linkage with fully adjustable Öhlins monoshock with top-out spring. Aluminium single-sided swingarm	Coil over shock	Progressive type with adjustable Marzocchi monoshock	Coil over shock ,
Front Brakes:	2 x 330 mm Semi-floating discs, radially mounted Brembo Monobloc calipers 4-piston, 2-pad	Single 292mm disc	2 x 320mm discs	Single 300mm disc 4 piston caliper
Rear Brakes:	Single 245 mm disc, 2 piston caliper	Single 292mm disc	Single 245mm disc	Single 292mm disc 2 piston caliper
Front Tyre:	120/70 - ZR17	130/90-16	120/70-17	100/90-19 57H
Rear Tyre:	190/55 - ZR17	130/90-16	170/60-17	160/70-17 73V
Dry Weight:	167 kg / 368 lbs	271.0 kg / 597.5 lbs	180 kg / 397 lbs	288 kg / 634 lbs.
Fuel Capacity:	16.5 Litres / 4.4 US gal / 3.6 Imp gal	16 Litres / 4.2 US gal	17.5 L / 4.6 US gal / 3.8 Imp gal	17.8 Litres / 4.7 US gal