MV Agusta 850SS America (1977) vs Harley-Davidson Harley Davidson FLSTSC Softail Springer Classic (2007) vs Harley-Davidson Harley Davidson VRSCDX Night Rod Special (2010) vs Harley-Davidson Harley Davidson FLTR Road Glide (2009) vs MV Agusta F4 Claudio Castiglioni (2007)

Comparison technical specifications

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Make:	MV Agusta	Harley-Davidson	Harley-Davidson	Harley-Davidson	MV Agusta
Model:	850SS America	Harley Davidson FLSTSC Softail Springer Classic	Harley Davidson VRSCDX Night Rod Special	Harley Davidson FLTR Road Glide	F4 Claudio Castiglioni
Years:	1977	2007	2010	2009	2007
Engine:	Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder	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, 60° V-twin, DOHC, 4 valve per cylinder.	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 valves per cylinder
Capacity:	837 cc / 51.0 cu-in	1584 cc / 96 cu-in	1247 cc / 76.1 cu in	1584 cc / 96 cu-in	1078 cc / 65.7 cu-in
Bore x Stroke:	89 x 56 mm	95.2 x 111.2 mm	105 x 72 mm	95.2 x 111.2 mm	79 x 55 mm
Cooling System:	Air cooled	Air cooled	Liquid cooled	Air cooled	Liquid cooled
Compression Ratio:	10.3:1	9.2:1	11.5;1	9.2:1	13.0:1
Transmission:	5 Speed	6 Speed	5 Speed	6 Speed	6 Speed
Final Drive:	Chain	Belt	Belt	Belt	Chain
Frame:	Tubular steel, welded, double cradle	Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded	Steel perimeter upper frame w/hydroformed main rails and bolt-on lower frame rails, MIG welded	Mild steel, square-section backbone with twin downtubes	CrMo Steel tubular trellis (TIG welded) Rear swing arm pivot plates(material): Magnesium alloy
Front Suspension:	38mm Forcelle Italia telescopic forks, preload, rebound damping adjustable.	Black and chrome leading link Forks	Huge 49mm telescopic forks	41.3 mm telescopic, cartridge-style damping	50mm UPSIDE - DOWN” telescopic hydraulic fork with rebound-compression damping and spring preload adjustment, with carbonitriding treatment
Rear Suspension:	Dual Koni shocks preload adjustable	Hidden, horizontal-mounted, coil-over shock	Dual coil over adjustable shock	Short, air-adjustable shock	Progressive, F.1-derived single shock with rebound and compression, High speed / Low speed) damping and spring preload, Single sided swing arm (material): Magnesium alloy
Front Brakes:	2x 280mm discs	Single 292 mm disc 1 piston caliper	2x 300mm discs 4 piston calipers	2x 292mm disc 4 piston caliper	2x 310mm discs 4 piston calipers
Rear Brakes:	Single 280mm disc	Single 292 mm disc 4 piston caliper	Single 300mm disc 4 piston caliper	Single 292mm disc 4 piston caliper	Single 210mm disc 4 piston caliper
Front Tyre:	110/80 -18	D402F MT90B16 72H	120/70ZR-19 60W	MT90B16	120/70 ZR17
Rear Tyre:	150/70 -18	D401 150/80B16 71H	240/40R-18 79V	MU85B16	180/55 ZR17
Fuel Capacity:	19 Litres / 5.0 US gal	18.9 Litres / 5.0 US gal	18.9 Litres / 5.0 US gal	18 9 Litres / 5 US gal	21 Litres / 5.5 US gal