Honda VTR 1000 RC51 SP2 Nicky Hayden Special Edition (2004) vs KTM 450 EXC (2009-10) vs Gilera MX-1 125 Record (1989) vs Harley-Davidson Harley Davidson FLS Softail Slim (2014-15) vs Cagiva Navigator 1000 (2002-03) vs Aprilia Pegaso 650 Strada (2007-08) vs Kawasaki ZX-6R (ZX 636) (2006)

Comparison technical specifications

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Make:	Honda	KTM	Gilera	Harley-Davidson	Cagiva	Aprilia	Kawasaki
Model:	VTR 1000 RC51 SP2 Nicky Hayden Special Edition	450 EXC	MX-1 125 Record	Harley Davidson FLS Softail Slim	Navigator 1000	Pegaso 650 Strada	ZX-6R (ZX 636)
Years:	2004	2009-10	1989	2014-15	2002-03	2007-08	2006
Engine:	Four stroke, 90°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valves per cylinder	Two stroke, single cylinder, reed valve	Four stroke, Twin Cam 103B Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder	Four stroke, 90°-V-twin, DOHC, 4 valves per cylinder (Suzuki TL1000)	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity:	996 cc / 60.8 cu-in	447.9 cc / 27.42 cu-in	124 ccc / 7.6 cu-in	1690 cc / 103.1 cub in.	996 cc / 60.7 cu-in	659 cc / 40.2 in	636 cc / 38.8 cub in
Bore x Stroke:	100 x 63.6 mm	89 x 72 mm	56 x 50.5 mm	98.4 x 111.1 mm	98 X 66 mm	100 x 84 mm	68.9 x 43.8 mm
Compression Ratio:	10.8:1	11.1:1	13.0;1	9.6:1	11.3:1	10.0:1	13.9:1
Induction:	Electronic fuel injection PGM-FI with two injectors per cylinder	Keihin MX FCR 39 carburetor	28 Dell'Orto PHBH carburetors	Electronic Sequential Port Fuel Injection (ESPFI)	Electronic fuel injection	Electronic fuel injection. Ø44mm throttle body	4x 38 mm Keihin, twin injection
Ignition:	Computer-controlled digital transistorized	Kokusan digital	Electric ignition with capacitive output	Electronic	Electronic, transistorized	Digital	TCBI with Digital advance
Starting:	Electric	Electric & kick	Electric	Electric	Electric	Electric	Electric
Transmission:	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain	Chain, X ring, 5.8 x 1/4"	Chain	Belt	Chain	Chain	X-ring chain
Front Suspension:	43mm inverted cartridge-type fork with adjustable spring preload, and compression and rebound damping	WP 4860 MA upside-down fork	35mm Marzocchi telescopic-hydraulic forks	41.3 mm telescopic, “beer can” covers	45mm Telescopic hydraulic fork	Ø45 mm Marzocchi telescopic fork	41 mm inverted cartridge fork with top-out springs, stepless rebound damping, stepless compression damping, fully-adjustable spring preload
Rear Suspension:	Pro-Link with gas-charged integrated remote reservoir damper offering adjustable preload, and compression and rebound damping,	WP-PDS shock absorber, aluminium swingarm	Fork in die cast aluminium, Boge single shock absorber fork in die cast aluminium, Boge single shock absorber	Hidden, horizontal-mounted, coil-over	Progressive with hydraulic monoshock, preload and rebound damping adjustable.	High strength steel swingarm. Aprilia Progressive System (APS) rising rate linkages. Sachs hydraulic monoshock with adjustable rebound and preload.	Bottom-Link Uni-Trak® with gas-charged shock, top-out spring and pillow ball upper mount, dual-range (high/low-speed) stepless compression damping, 25-way Adjustable rebound damping, fully-adjustable spring preload
Front Brakes:	2x 320mm discs 4 piston calipers	Single 260 mm disc, floating caliper	Single 260mm disc	Single 292 mm discs, 4 piston caliper	2x 298mm discs 4 piston calipers	Single Ø320 mm disc, 2 piston caliper	2 x 300mm discs, 4 piston calipers
Rear Brakes:	Single 220mm disc 1 piston caliper	Single 220mm disc, floating caliper	Single 240mm disc	Single 292 mm disc, 2 piston caliper	Single 220mm disc 2 piston caliper	Single Ø240 mm disc, 1 piston caliper	Single 210mm disc, 1 piston caliper
Front Tyre:	120/70 ZR17	90/90 - 21	100/90-16	MT90B16 72H	110/80-18	110/70-17	120/65 ZR17
Rear Tyre:	190/50 ZR17	140/80 - 18	120/80-16	MU85B16 77H	150/70-17	160/60-17	180/55 ZR17
Fuel Capacity:	18 Liters / 3.8 US gal	9.0 L / 2.4 US gal / 2.0 Imp gal	17 Litres / 4.5 US gal	18.9 Litres / 5.0 US gal	20 Litres / 5.3 US gal	16 Litres / 4.2 US gal	17 Litres / 4.5 gal