Triumph Rocket 3 R Black (2021) vs Kawasaki ZX-12R Ninja (2002) vs Kawasaki GPz 900 Ninja / ZX900R Ninja (1991-96) vs Kawasaki GPz 550 / Z 550GP (1983-84) vs Kawasaki VN 1500 Vulcan (1991-94) vs Kawasaki ZN 1300 Voyager (1983-85) vs Kawasaki ZX-7R Ninja (2002-03) vs Kawasaki VN 750 Vulcan (2002-06) vs Kawasaki ZX-R 250 Ninja (1991-92)

Comparison technical specifications

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Make:	Triumph	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	Rocket 3 R Black	ZX-12R Ninja	GPz 900 Ninja / ZX900R Ninja	GPz 550 / Z 550GP	VN 1500 Vulcan	ZN 1300 Voyager	ZX-7R Ninja	VN 750 Vulcan	ZX-R 250 Ninja
Years:	2021	2002	1991-96	1983-84	1991-94	1983-85	2002-03	2002-06	1991-92
Engine:	Four stroke, inline 3-cylinder, DOHC	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.	Four stroke, 50° V-Twin, SOHC, 4 valves per cylinder	Four stroke transverse six cylinder. DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, V-Twin, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity:	2458 cc / 150 cub in	1199 cc / 73.1 cu-in	908 cc / 55.4 cu-in	553 cc / 33.7 cu-in	1470 cc / 89.7 cu-in	1286 cc / 78.5 cub in	748 cc / 45.6 cu-in	749 cc / 45.7 cu-in	249 cc / 15.2 cu-in
Bore x Stroke:	110.2 x 85.9 mm	83 x 55.4 mm	72.5 x 55 mm	58 x 52.4 mm	102 x 90 mm	62 x 71 mm	73 x 44.7 mm	84.9 x 66.2mm	49 x 33.1 mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Compression Ratio:	10.8:1	12.2:1	11.0:1	10.0:1	8.8:1	9.3;1	11.5:1	10.3:1	12.2:1
Induction:	Ride-by-Wire, fuel injected	Electronic fuel injection	4x 34mm Keihin CVK34 carburettors	4x 22mm Teikei constant vacuum - main jets #94	2x Keihin CV 40mm carburetor	Mikuni fuel injection	4x 38mm Keihin CVKD carburetors	34mm Keihin CVK34 carburetor	4x Keihin CVK D30 carburetors
Ignition:	Digital inductive type via electronic engine management	Digital ignition	Battery ignition, full electronic!	CDI	CDI	Battery powered transistorized	Digital	Electronic	TCBI
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	123 kW / 165 hp @ 6000 rpm	178 hp / 131 kW @ 10500 rpm	108 hp / 80.5 kW @ 9500 rpm	65 hp / 47.4 Nm @ 9000 rpm	60.9 hp / 44.5 kW @ 4300 rpm	96.9 kW / 130 hp @ 8000 rpm	111.9 hp / 83.4 kW @ 11700 rpm	66 hp / 48.1 kW @ 7500 rpm	45 hp / 32.8 kW @ 15000 rpm
Max Torque:	221 Nm / 163 ft-lb @ 4000 rpm	134 Nm / 13.66 kgf-m @ 7500 rpm	8.7 kgf-m / 62.9 lb-ft @ 8500 rpm	35.5 lb-ft / 48.1 Nm @ 8000 rpm	117.6 Nm / 12 kg-m @ 3300 rpm	118 Nm / 12.03 kgf-m / 87 ft. lbs @ 6500 rpm	7.7 kgf-m / 55.6 lb-ft @ 9500 rpm	6.5 kgf-m / 64.7 Nm @ 6000 rpm	2.6 kgf-m / 24.5 Nm @ 11500 rpm
Transmission:	6 Speed	6 Speed	6 Speed	6 Speed	4 Speed	5 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Shaft, bevel box	Chain	Chain	#530 O-ring chain	Shaft	Shaft	Sealed chain	Shaft	Chain
Front Suspension:	Showa 47mm upside-down 1+1 cartridge front forks, compression and rebound adjuster	43mm upside-down cartridge fork with adjustable preload, 12-way rebound and 12-way compression damping.	41mm Telescopic forks, air assisted four way anti dive.	Telescopic forks	Centre axle forks with 41mm tubes, 150mm wheel travel	41mm Kayaba air adjustable forks	43mm inverted cartridge fork, adjustable preload, fully adjustable compression and rebound damping	Telescopic fork	Telescopic forks
Rear Suspension:	Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjuster	Bottom-Link with gas-charged shock: piggy-back reservoir, adjustable spring preload, 18-way rebound and 20-way compression damping	Uni-Trak air assisted, single shock, 4-way adjustable damping.	Dual shocks, Swinging arm	Dual shock absorbers adjustable for spring preload, 100mm wheel travel.	Dual Kayaba shocks, fully adjustable.	Piggy-back reservoir rear shock offers adjustable compression and rebound damping, preload and ride height to match a wide range of operating conditions.	Dual shocks, air-adjustable preload and 4-position rebound damping	Uni-track, Swing arm
Front Brakes:	2x 320 mm discs with Brembo M4.30 Stylema 4-piston radial monobloc calipers	2x 320mm discs 6 piston calipers	2x 300mm discs 4 piston calipers	2X 260mm disc	Single disc 1 piston caliper	2x 266mm discs 1 piston caliper	2x 320mm discs 6 pistons calipers	2x 226mm discs 2 piston calipers	2x discs 2 piston calipers
Rear Brakes:	Single 300mm disc, Brembo M4.32 4-piston monobloc caliper	Single 230mm disc 2 piston caliper	Single 250mm disc 2 piston caliper	Single 260mm disc	Single disc 1 piston caliper	Single 296mm disc 1 piston caliper	Single 230mm disc 2 piston caliper	Drum	Single disc 1 piston caliper
Front Tyre:	150/80 R17 V	120/70 ZR17	120/70-17	3.25 H19	100/90-19	130/90-16	120/70 ZR17	100/90-19	110/70-R17 54H
Rear Tyre:	240/50 R16 V	200/50 ZR17	150/70-18	3.75 H18	150/90-15	150/90-15	190/50 ZR17	150/90-15	140/60-R18 64H
Seat Height:	773 mm / 30.4 in	820 mm / 32.3 in	790 mm / 31.1 in	800 mm / 31.6 in	750 mm / 29.5 in	757 mm / 29.8 in	780 mm / 30.9 in	730 mm / 28.9 in	735 mm / 28.9 in
Fuel Capacity:	18 Litres / 4.76 US gal	20 Litres / 5.0 gal	22 Litres / 5.8 US gal	15 Litres / 3.9 US gal	16 Litres / 4.2 US gal	27 Litres / 7.1 US gal	18 Litres / 4.7 US gal	13.5 Litres / 3.6 US gal	15 Litres / 3.4 US gal