Kawasaki VN 900 Vulcan Custom (2011-12) vs Kawasaki ZZ-R 1100 C (1991) vs Kawasaki Z 650RS (2022) vs Kawasaki ZX-R 750-J (1991) vs Kawasaki VN 900 Vulcan Classic (2018-19) vs Kawasaki Z 400F-II (1983-) vs Kawasaki VN 900 Vulcan Classic LT (2018-19) vs Kawasaki GPZ 305 (1983-) vs Suzuki GSX-R 600 (2020)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Suzuki
Model:	VN 900 Vulcan Custom	ZZ-R 1100 C	Z 650RS	ZX-R 750-J	VN 900 Vulcan Classic	Z 400F-II	VN 900 Vulcan Classic LT	GPZ 305	GSX-R 600
Years:	2011-12	1991	2022	1991	2018-19	1983-	2018-19	1983-	2020
Engine:	Four stroke, V-twin, SOHC, 4 valves 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.	Four stroke V-Twin, SOHC, 4 valve	Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder.	Four stroke V-Twin, SOHC, 4 valve per cylinder	Four stroke Parallel twin SOHC	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity:	903 cc / 49 cu-in	1052 cc / 64.1 cu-in	649 cc / 39.65 cu-in	749 cc / 45.7 cu-in	903 cc / 49 cu-in	399 cc / 24.3 cu-in	903 cc / 49 cu-in	306 cc / 18.7 cu-in	599 c / 36.6 cub. in.
Bore x Stroke:	88.0 x 74.2 mm	11.0:1	83 x 60 mm	71 x 47.3 mm	88.0 x 74.2 mm	55 х 42 mm	88.0 x 74.2 mm	61.0 x 52.4 mm	67.0 x 42.5 mm
Cooling System:	Liquid cooled	Liquid cooled,	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled		Liquid cooled
Compression Ratio:	9.5:1	76 x 58 mm	10.8:1	10.8:1	9.5:1	9.7:1	9.5:1	9.7:1	12.8:1
Induction:	2x 34mm ø Fuel injection with dual throttles	4x Keihin CVKD40 carburetors	DFI with Keihin 36mm x 2 throttle bodies	4x 38 mm Keihin CVKD (Constant Velocity) carburettors / Ram Air System (single intake)	Fuel injection: ø 34 mm x 2 with dual throttles	4x 28mm TK Teir-Kei carburetors	Fuel injection: ø 34 mm x 2 with dual throttles	2x 32mm Keihin CVi carburetors	EFI, Four 40 mm throttle bodies, 2 valves per body. S-DMS engine management system
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	37 kW / 50 hp @ 5700 rpm	147 hp / 108 kW @ 10500 rpm	50.2 kW / 67.3 hp @ 8000 rpm	100 hp / 74 kW @ 10500 rpm	37 kW / 50 hp @ 5700 rpm	48 hp @ 10500 rpm	37 kW / 50 hp @ 5700 rpm	19.9 kW / 26.6 hp @ 10000 rpm	93.2 kW / 125 hp @ 13500 rpm with maximum RAM air
Max Torque:	78 Nm / 8.0 kg-fm @ 3700 rpm	110 Nm / 11.2 kgf-m @ 8500 rpm	64 Nm / 47.2 lb-ft @ 6700 rpm	7.45 kgf-m / 53.8 lb-ft @ 9000rpm	78 Nm / 8.0 kg-fm @ 3700 rpm	25.3 lb-ft @ 8500 rpm	78 Nm / 8.0 kg-fm @ 3700 rpm	25.5 Nm / 18.8 lb·ft @ 8500 rpm	67.7 Nm / 6.9 kgf-m / 49.9 ft-lb @ 11500 rpm, RAM air
Final Drive:	Belt	Chain	Sealed chain	Chain	Belt	Chain	Belt	Belt	#525 Chain, 114 links
Front Suspension:	41mm telescopic fork with 7-way preload	43mm forks preload and rebound adjustable.	41 mm hydraulic telescopic fork	43mm Upside-down forks, adjustable ride height, 13-way rebound	41mm telescopic fork with 7-way preload	Telescopic air assisted forks adjustable anti-dive.	41mm telescopic fork with 7-way preload	Telescopic forks	Showa Big Piston front-Fork (BPF)
Rear Suspension:	Uni-Trak with 7-way adjustable preload	Monoshock fully adjustable.	Horizontal back-link with adjustable preload swingarm	Uni Track monoshock. adjustable ride height, preload, 4-way rebound	Uni-Trak with 7-way adjustable preload	Rising-rate Uni-Trak linkage with adjustable preload, 4-way damping.	Uni-Trak with 7-way adjustable preload	Swing arm	Link type, coil spring, oil damped
Front Brakes:	Single 300mm disc	2x 320mm discs 4 piston calipers	2x 300mm discs, 2 piston calipers	2x 320mm discs 4 piston calipers	Single 300mm disc 2 piston caliper	2x 226mm discs	Single 300mm disc 2 piston caliper	2x disc	2 x 310 mm Discs, Brembo 4 piston calipers
Rear Brakes:	Single 270mm disc	Single 240mm disc 1 piston caliper	Single 220mm disc, 1 piston caliper	Single 230mm disc 2 piston caliper	Single 270mm disc 2 piston caliper	Single 226mm disc	Single 270mm disc 2 piston caliper	Drum	Single 220 mm disc, Nissin 2 piston caliper
Front Tyre:	80/90 -21	120/70 VR 17-V290 Tubeless	120/70ZR17M/C (58W)	120/70ZR17 /Std Pressure 36psi	130/90 -16	100/90 H18	130/90 -16	90/90-18	120/70 ZR17
Rear Tyre:	180/70 -15	170/60 VR 17-V290 Tubeless	160/60ZR17M/C (69W)	180/55ZR17 /Std Pressure 41psi	180/70 -15	110/90 H18	180/70 -15	110/80-18	180/55 ZR17