Harley-Davidson Harley Davidson VRSCDX Night Rod Special (2011) vs Yamaha FZ-6N (2005) vs Ducati 998 S (2002-03) vs Harley-Davidson Harley Davidson FLSTF Fat Boy (2011) vs Yamaha WR 200R (1991-93) vs Suzuki SV 650N (2009-15) vs Yamaha XT 250 Serow (2008-09)

Comparison technical specifications

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Make:	Harley-Davidson	Yamaha	Ducati	Harley-Davidson	Yamaha	Suzuki	Yamaha
Model:	Harley Davidson VRSCDX Night Rod Special	FZ-6N	998 S	Harley Davidson FLSTF Fat Boy	WR 200R	SV 650N	XT 250 Serow
Years:	2011	2005	2002-03	2011	1991-93	2009-15	2008-09
Engine:	Four stroke, 60° V-twin, DOHC, 4 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven	Four stroke, Twin Cam 96BTM Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder	Two stroke, crankcase reed valve, single cylinder with YPVS	Four stroke, 90°-V-twin, DOHC, 4 valves per cylinder	Four stroke, single cylinder. SOHC, 2 valve
Capacity:	1247 cc / 76.1 cu in	599 cc / 36.5 cu-in	998 cc / 60.9 cu in	1584 cc / 96 cu-in	199.7 cc / 11.9 cu-in	645 cc / 39.4 cu-in	249 cc / 15.2 cu-in
Bore x Stroke:	105 x 72 mm	65.5 x 44.5 mm	100 x 63.5 mm	95.25 x 111.25 mm	66.8 X 57 mm	81 x 62.6 mm	74.0 x 58.0mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Air cooled
Compression Ratio:	11.5;1	12.2:1	11.4:1	9.2:1	6.3:1	11.5:1	9.5;1
Induction:	Electronic Sequential Port Fuel Injection	Group injection type fuel injection, 36mm Funnel diameter	Weber Marelli CPU 5.9M, 54mm throttle bodies, electronic fuel injection	Electronic Sequential Port Fuel Injection (ESPFI)	TM30SS X1 carburetor	Fuel Injection	Teikei 33mm carburetor
Ignition:	Digital CDI	TCI Digital CDI	Digital CDI	Single-fire, non-wasted, map-controlled spark ignition	Capacitor discharge	Digital transistorized	CDI
Starting:	Electric	Electric	Electric	Electric	Kick	Electric	Electric
Max Torque:	116 Nm / 86 ft. lbs@ 7250 rpm	63.1 Nm / 6.4 kgf-m @ 10000 rpm	101 Nm / 74.4 lb-ft @ 8000 rpm	124.7 Nm / 92 ft. lbs @ 3000 rpm	27.5 Nm / 20.2 lb-ft @ 7000 rpm	64 Nm / 6.53 kg-m / 47.2 lb-ft @ 7200 rpm	19 Nm / 14.0 lb-fts @ 6500 rpm
Transmission:	5 Speed	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	Belt	Chain	Chain	Belt	Chain	Chain, #525 O-ring	Chain
Front Suspension:	Huge 49mm telescopic forks	43mm Telescopic fork,	Showa upside down fork with 43 mm of condition pipe diameter, TiN coating	41.3 mm telescopic, chrome dust covers	Telescopic forks	Telescopic 41 mm, oil damped, fully adjustable preload	35mm Telescopic forks
Rear Suspension:	Dual coil over adjustable shock	Swingarm Link less type Monocross	A arm rocker with progressively working Öhlins central shock strut	Hidden, horizontal-mounted, coil-over shock	Mono shock, Swingarm	KYB (formally Kayaba) single shock, Adjustable pre-load	Monocross, Swingarm rebound-adjustable single shock
Front Brakes:	2x 300mm discs 4 piston calipers	2x 298 mm discs	2 x 320 mm Discs, 4 piston calipers	Single 292mm disc 4 piston caliper	Single 245mm disc	2 x 290 mm Discs, 2 piston calipers	Single 245mm disc
Rear Brakes:	Single 300mm disc 4 piston caliper	Single 245 mm disc	Single 220 mm disc, 2 piston caliper	Single 292mm disc 4 piston caliper	Single 220mm disc	Single 240 mm disc, 2 piston caliper	Single 203mm disc
Front Tyre:	120/70ZR-19 60W	120/70 ZR17	120/70 ZR17	140/75R17	.0/100-21	120/60 ZR17	80/70-21
Rear Tyre:	240/40R-18 79V	180/55 ZR17	190/50 ZR17	200/55R17	100/ 100 R18	160/60 ZR17	120/80-18
Wheelbase:	1705 mm / 67 in	1440 mm / 56.6 in	1410 mm / 55.5 in	1715 mm / 67.5 in	1460 mm / 57.4 in	1 440 mm / 56.7 in	1359 mm / 53.5 in
Seat Height:	Laden 650 mm / 25.6 in Unladen .678 mm / 26.7 in	795 mm / 31.2 in	790 mm / 31.1 in	Laden 635 mm / 25.0 in Unladen 690 mm / 27.1 in	990 mm / 38.9 in	800 mm / 31.5 in	810 mm / 31.9 in
Fuel Capacity:	18.9 Litres / 5.0 US gal	19 Litres / 5.0 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	18.9 Litres / 5.0 gal	10.6 Litres / 2.7 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	9.8 Litres / 2.6 US gal