Harley-Davidson Harley Davidson VRSCX Screamin' Eagle/Vance & Hines NHRA Pro Stock L.E. (2007) vs Ducati Monster S2R 800 (2006) vs Moto Guzzi 1000 Strada (1990-) vs MV Agusta 99 Sport Checca (1960-69) vs SWM RS 500 R (2015) vs Harley-Davidson Harley Davidson FLHRC Road King Classic (2007-08)

Comparison technical specifications

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Make:	Harley-Davidson	Ducati	Moto Guzzi	MV Agusta	SWM	Harley-Davidson
Model:	Harley Davidson VRSCX Screamin' Eagle/Vance & Hines NHRA Pro Stock L.E.	Monster S2R 800	1000 Strada	99 Sport Checca	RS 500 R	Harley Davidson FLHRC Road King Classic
Years:	2007	2006	1990-	1960-69	2015	2007-08
Engine:	Four stroke, 60° V-twin, DOHC, 4 valve per cylinder.	Four stroke, 90° “L”t win cylinder, SOHC, desmodromic 2 valves per cylinder.	Four stroke, 90° V twin alloy, longitudinally mounted, OHV, 2 valve per cylinder, All plain bearing engine with two mains and split shell big ends. One piece forged crankshaft. Steel con-rod split across big end eye. Valve operation: Pushrod from camshaft between cylinder bases in crankcase. Clearance by screw and locknut on rocker tips	Four stroke, single cylinder, pushrod, 2 valve	Single cylinder, four stroke, DOHC, 4 valve	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:	1250 cc / 76.2 cu-in	803 cc / 49.0 cu in	949 cc / 57.9 cu-in	98.3 cc / 5.9 cu-in	500.8 cc / 30.56 cu in	1584 cc / 96 cu-in
Bore x Stroke:	105 x 72 mm	88 x 66 mm	88 x 78 mm	50.7 x 49 mm	96.8 x 67.8 mm	95.2 x 111.2 mm
Cooling System:	Liquid cooled	Air cooled	Air cooled	Air cooled	Liquid cooled	Air cooled
Compression Ratio:	11.3;1	10.5:1	9.5:1	7.5:1	12.9:1	9.2:1
Induction:	Electronic Sequential Port Fuel Injection	Fuel injection, 45 mm throttle body	2x 36mm Dell'Orto carburettors	16 mm Carburettor	EFI, Mikuni D42	Electronic Sequential Port Fuel Injection (ESPFI)
Ignition:	Sequential, single fire non waste spark, coil on plug	Marelli electronic	Electronic	Flywheel magneto	Electronic, inductive discharge, with adjustable advance (digital control)	Single-fire, non-wasted, map-controlled spark ignition
Transmission:	5 Speed	6 Speed	5 Speed	4 Speed	6-Speed, constant mesh	6 Speed
Final Drive:	Belt	Chain; Front sprocket 15; Rear sprocket 42	Shaft	Chain	Chain	Belt
Front Suspension:	Huge 49mm telescopic forks	43 mm Upside-down non adjustable forks	Moto Guzzi telescopic fork	Telescopic hydraulic fork	Upside-down telescopic hydraulic fork with forward axle; compression and rebound damping adjustment, Kayaba	41.3 mm telescopic, cartridge-style damping
Rear Suspension:	Dual coil over adjustable shock	Progressive linkage with fully adjustable Sachs monoshock with piggy back aluminum swing arm	Swing arm with hydraulic Koni shock	Swingarm with hydraulic shocks	Progressive "Soft Damp" type with single hydraulic shock absorber; spring preload adjustment, compression and rebound damping adjustment (compression high & low speed), Kayaba	Short, air-adjustable shock
Front Brakes:	2x 300mm discs 4 piston calipers	2 x 300 mm Discs, 4 piston calipers	2x 300mm discs	123mm Drum	Ø260 mm Fixed disc with hydraulic control and floating caliper	2x 292mm disc 4 piston caliper
Rear Brakes:	Single 300mm disc 4 piston caliper	Single 245 mm disc, 2 piston caliper	Single 270mm disc	118mm Drum	Ø240 mm Floating disc, with hydraulic control and floating caliper	Single 292mm disc 4 piston caliper
Front Tyre:	D207F 120/70ZR-19 60W	120/70 - ZR17	110/90 V18	2.50-17	90/90-21" Michelin Competition IV	MT90B16
Rear Tyre:	D207F 240/40R18 74W	180/55 - ZR17	120/90 V18	2.50-17	140/80-18" Michelin Competition IV	MU85B16
Fuel Capacity:	18.9 Litres / 5.0 US gal	14 Litres / 3.6 US gal	22.5 Litres / 5,9 US gal	14 Litres / 3.6 US gal	7.2 L / 1.9 US gal	22.7 Litres / 6.0 US gal