SWM Superdual X (2018) vs Harley-Davidson Harley Davidson FXDF Dyna Fat Bob (2010) vs MV Agusta Brutale 990R (2011) vs Aprilia RS4 50 Replica (2014) vs Ducati 748 SPS (1998-99) vs Moto Guzzi 850GT (1970-71) vs Ducati 749S (2004)

Comparison technical specifications

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Make:	SWM	Harley-Davidson	MV Agusta	Aprilia	Ducati	Moto Guzzi	Ducati
Model:	Superdual X	Harley Davidson FXDF Dyna Fat Bob	Brutale 990R	RS4 50 Replica	748 SPS	850GT	749S
Years:	2018	2010	2011	2014	1998-99	1970-71	2004
Engine:	Four stroke, single cylinder, SOHC, 4 valves	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	Four stroke, transverse four cylinder. DOHC, 4 radial valves per cylinder	Two stroke, single 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°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven
Capacity:	600 cc / 36.6 cu-in	1584 cc / 96 cu-in	998 cc / 60.9 cu-in	49.9 cc / 3.05 cub in.	748 cc / 45.6 cu in	844 cc / 51.5 cu-in	748.4 cc / 45.7 cu in
Bore x Stroke:	100 x 76.4 mm	95.3 x 111.1 mm	76 x 55 mm	39.9 x 39.9 mm	88 x 61.5 mm	83 x 78 mm	90 x 58.8 mm
Compression Ratio:	12.4:1	9.2:1	13.0:1	11.5:1	11.6:1	9.2:1	12.3:1
Ignition:	Electronic, inductive discharge, w/digital control	Single-fire, non-wasted, map-controlled spark ignition	Digital CDI	CDI	Electronic	Battery with double contact breaker with automatic advance	Digital CDI
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Transmission:	6 Speed	6 Speed	6 Speed	6-Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain	Belt	Chain	Chain	Chain, 520 VL4 - 5/8" x 1/4"	Shaft	Chain
Front Suspension:	45mm Upside-Down fork	49 mm with polished aluminum fork triple clamp and dual-rate springs	UPSIDE - DOWN” telescopic hydraulic fork with external and separated adjustment of rebound and compression damping and of spring preload Rod dia. 50 mm	Upside down fork, Ø41 mm	Inverted type, 43 mm diameter stanchions, Showa GD051, fully adjustable	Telescopic forks	Showa 43mm fully-adjustable upside-down fork with TiN
Rear Suspension:	Sachs adjustable shock	Coil over shock	Progressive, single shock absorber with rebound damping and spring preload adjustment Single sided swing arm: materiale Aluminium alloy	Asymmetric swingarm, monoshock	Progressive linkage with adjustable monoshock, Showa GD052-007-02	Dual shocks	Progressive linkage with fully-adjustable Showa monoshock
Front Brakes:	Single 300mm disc	2x 299mm disc 4 piston caliper	2x 310mm discs 4 piston caliper	Stainless steel disc, Ø 300 mm, 4-piston radial caliper	2 x 320mm Discs, 4 piston calipers, Brembo	Single 300mm disc	2 x 320mm Disc, 4 piston calipers
Rear Brakes:	Single 240mm disc, Switchable ABS	Single 292mm disc 2 piston caliper	Single 210mm disc 4 piston caliper	Stainless steel disc, Ø 218 mm, single piston caliper	Single 220 mm disc, 1 piston caliper, Brembo	Drum	Single 245 mm disc, 2 piston caliper
Front Tyre:	90/90 -21	D427F 130/90B16 67H	120/70 ZR 17	110/80-17	120/60 ZR17	4.00-18	120/70 ZR17
Rear Tyre:	140/80 -18	D427 180/70B16 77H	190/55 ZR 17	130/70-17	180/55 ZR17	4.00-18	180/55 ZR17
Fuel Capacity:	19 Litres / 5.0 US gal	18 9 Litres / 5.0 US gal	23 Litres / 6.0 US gal	14.5 Litres / 3.8 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	25 Litres / 6.6 US gal	15.5 L / 4.1 US gal / 3.4 Imp gal