Kawasaki Z 900 50th Anniversary (2022) vs Cagiva Alazzurra 650GT (1985-91) vs Kawasaki ZX-6R (2008) vs Kawasaki KH 250 (1980-81) vs Kawasaki KLE 500 (2001-02) vs Yamaha XS 400R Seca (1982-) vs Kawasaki Z 1300 (1981-82) vs Kawasaki VN 800 Vulcan (2004-06) vs Kawasaki Z 750 Twin (1976) vs Kawasaki ZX-6R Ninja Homologation Special Edition (2013) vs Kawasaki Ninja 650R (2010-11) vs Kawasaki GPz 900 Ninja (2000-03)

Comparison technical specifications

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Make:	Kawasaki	Cagiva	Kawasaki	Kawasaki	Kawasaki	Yamaha	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	Z 900 50th Anniversary	Alazzurra 650GT	ZX-6R	KH 250	KLE 500	XS 400R Seca	Z 1300	VN 800 Vulcan	Z 750 Twin	ZX-6R Ninja Homologation Special Edition	Ninja 650R	GPz 900 Ninja
Years:	2022	1985-91	2008	1980-81	2001-02	1982-	1981-82	2004-06	1976	2013	2010-11	2000-03
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Two stroke, transverse three cylinder,	Four stroke, parallel twin Cylinder, DOHC, 4 Valves per cylinder	Four stroke, parallel twin, DOHC, 2 valves per cylinder	Four stroke, transverse six cylinder, DOHC, 2 valve per cylinder.	Four stroke, V-Twin, SOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, 2 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity:	948 cc / 57.8 cu-in	649 cc / 39.6 cu-in	599 cc / 36.6 cub in	249 cc / 15.2 cu-in	498 cc / 30.4 cu-in	399 cc / 24.3 cu-in	1286 cc / 78.5 cu in	805 cc / 49.1 cu-in	745 cc / 54.45 cub in.	599 cc / 36.6 cub in	649 cc / 39.65 cu /in	908 cc / 55.4 cu-in
Bore x Stroke:	73.4 x 56.0 mm	82 x 62.5 mm	67 x 42.5 mm	45 х 52.3 mm	74 x 58 mm	69.0 x 53.4 mm	62 x 71 mm	88 x 66.2 mm	78 х 78 mm	67 x 42.5mm	83 x 60 mm	72.5 x 55 mm
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Air cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled
Compression Ratio:	11.8:1	10.0:1	13.9:1	7.5:1	10.8:1	9.7:1	9.9:1	9.5:1	8.5:1	13.3:1	11.3:1	11.0:1
Induction:	Fuel injection: 36 mm x 4 with sub-throttle	2x 36mm Dell'Orto PHF	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body	3x Mikuni VM22SC, Ø 22 mm carburetor	2x 34mm Keihin carburetors	2x 32mm Mikuni carburetors	3x 32mm twin choke Mikuni BSW carburetors	Keihin CVK36 carburetor	2x 38 mm Mikuni carburetors	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body	2x Keihin 38mm throttle bodies	4x 34mm Keihin CVK34 carburettors
Ignition:	TCBI with electronic advance	Bosch BTZ	TCBI with Digital advance	CDI	CDI	Transistorized	Analogue CDI (Capacitive Discharge Ign.)	Digital K-TRIC	Battery, coil	TCBI with digital advance	TCBI with digital advance	Battery ignition, full electronic!
Starting:	Electric	Electric	Electric	Kick	Electric	Electric	Electric	Kick	Electric & kick	Electric	Electric	Electric
Max Power:	92.2 kW / 123.6 hp @ 9500 rpm	55 hp / 39 kW @ 8500 rpm	91.9 kW /125 hp @ 14000 rpm	28 hp @7500 rpm	44.8 hp / 33 kW @ 8500 rpm	45.5 hp / 34 kW @ 9500 rpm	87.5 kW / 120 hp @ 8000 rpm	56 hp / 40.8 kW @ 7000 rpm	41 kW / 55 hp @ 7000 rpm	94.1 kW / 128 hp @ 14000 rpm	70.4 hp / 51.8 kW @ 7000 rpm	108 hp / 80.5 kW @ 9500 rpm
Max Torque:	98.6 Nm / 72.7 lb-ft @ 7700 rpm	50 Nm / 36.8 lb-ft @ 7000 rpm	66 Nm / 6.73 kgf-m / 48.7 lb-ft @ 11700 rpm	2.7 kgf-m / @ 7000 rpm	41 Nm / 30.2 lb-ft @ 6500r pm	3.5 kgf-m / 25.3 lb-ft @ 8000 rpm	116 Nm / 11.8 kgf-m / 85.6 ft. lbs @ 6500 rpm	64 Nm / 47.2 lb-ft @ 3300 rpm	60.8 Nm / 6.2 kg-fm / 44.8 ft.lbs @ 3000 rpm	66.7 Nm / 6.8 kgf-m / 49.2 lb-ft @ 11800 rpm	65.7 Nm / 48.5 lb-ft @ 7000 rpm	8.7 kgf-m / 62.9 lb-ft @ 8500 rpm
Transmission:	6 Speed	5 Speed	6 Speed	5 Speed	6 Speed	6 Speed	5 Speed	5 Speed	5 Speed	6 Speed	6 Speed	6 Speed
Front Suspension:	41 mm inverted fork with compression and rebound damping and spring preload adjustability	35mm Marzocchi forks	41 mm inverted cartridge fork with top-out springs, stepless rebound damping, stepless compression damping, fully-adjustable spring preload	Telescopic hydraulic forks	41mm Telescopic forks air assisted	Hydraulic telescopic forks	Telescopic forks	41 mm. hydraulic telescopic fork	Telehydraulic fork	41 mm inverted Showa Big Piston Front fork with top-out springs, stepless compression and rebound damping, fully-adjustable spring preload,	41 mm hydraulic telescopic fork	41mm Telescopic forks, air assisted four way anti dive.
Rear Suspension:	Öhlins S46, horizontal back-link, gas-charged shock with rebound damping and spring preload adjustability	Dual Marzocchi shocks 5-way adjustable 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	Dual shocks, swingarm	Steal awing arm with preload adjustment	Monocross system with single coil sprung, gas/oil damped shock, pre-load adjustable	Dual shocks preload adjustable	Uni-Trak with 7 way cam-type preload adjuster	Swinging fork	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	Single offset laydown shock with adjustable spring preload,	Uni-Trak air assisted, single shock, 4-way adjustable damping.
Front Brakes:	2x 300 mm Brembo disc, Dual Brembo M4 radial-mount, monobloc, opposed 4-piston caliper	2x 260mm discs	2 x 300mm discs, 4 piston calipers	Single disc	Single 300mm disc 2 piston caliper	2x discs	2x 260 mm discs, 2 piston calipers	Single 300mm disc 2 piston caliper	Single disc, 250 mm	2 x 300mm discs, 4 piston calipers	2x 300mm discs 2 piston calipers	2x 300mm discs 4 piston calipers
Rear Brakes:	Single 250mm, 1 piston caliper	Single 260mm disc	Single 210mm disc, 1 piston caliper	180mm Drum	Single 230mm disc 1 piston caliper	Drum	Single 250 mm disc, 1 piston caliper	180mm Drum	Single disc, 230 mm	Single 220mm disc, 1 piston caliper	Single 220mm disc	Single 250mm disc 2 piston caliper
Front Tyre:	120/70ZR17M/C (58W)	110/90 H18	120/65 ZR17	3.25-18	90/90 VR21	3.00-18	110/90 -18	80/90-21	3.25H-19	120/70 ZR17	120/70 -17	120/70-17
Rear Tyre:	180/55ZR17M/C (73W)	110/90 H18	180/55 ZR17	3.50-18	130/80 VR17	4.10-18	130/90 -17	140/90-16	4.00H-18	180/55 ZR17	160/50 -17	150/70-18
Fuel Capacity:	17 Litres / 4.5 US gal	19.3 Litres / 5.0 US gal	17 Litres / 4.5 US gal	14 Litres / 3.7 US gal	15 Litres / 3.9 US gal	18 Litres / 4.7 US gal	27 Litres / US 7.1 gal	15 Litres / 3.9 US gal	14.5 Litres / 3.8 US gal	17 Litres / 4.5 US gal	15.5 Litres / 4.1 US gal	22 Litres / 5.8 US gal