Kawasaki Zephyr 400 X (2004-08) vs Kawasaki ZZ-R 400 (1990-91) vs Kawasaki GPz 500S EX 500R Ninja (2009) vs Kawasaki ZX-6RR (2003) vs Kawasaki Ninja 300 SBK Special Edition (2014) vs Kawasaki G3-SS (1969-73) vs Kawasaki GPz 500S / EX 500R Ninja (1998-00) vs Kawasaki Ninja 250R (2008-09) vs Kawasaki VN 900 Vulcan Classic LT (2014-15) vs Kawasaki ZZ-R 1100 C (1991)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	Zephyr 400 X	ZZ-R 400	GPz 500S EX 500R Ninja	ZX-6RR	Ninja 300 SBK Special Edition	G3-SS	GPz 500S / EX 500R Ninja	Ninja 250R	VN 900 Vulcan Classic LT	ZZ-R 1100 C
Years:	2004-08	1990-91	2009	2003	2014	1969-73	1998-00	2008-09	2014-15	1991
Engine:	Four stroke parallel twin cylinder. DOHC, 4 valves per cylinder	Liquid cooled, four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, parallel twin cylinders. DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke . parallel twin, DOHC, 4 valves per cylinder	Two stroke, single cylinder, Rotary valves	Four stroke, parallel twin cylinders. DOHC, 4 valves per cylinder.	Four stroke . parallel twin, DOHC, 4 valve per cylinder	Four stroke V-Twin, SOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity:	399 cc / 24.4 cu-in	398 cc / 24.3 cu-in	498 cc / 30.4 cu-in	599 cc / 36.6 cub in	296 cc / 18.0 cu-in	89 cc / 5.4 cu-in	498 cc / 30.4 cu-in	248 cc / 15.1 cu-in	903 cc / 49 cu-in	1052 cc / 64.1 cu-in
Bore x Stroke:	55 х 42 mm	57.5 x 38.5 mm	74 x 58 mm	67 x 42.5 mm	62 x 49 mm	47.0 x 51.8 mm	74 x 58 mm	62 х 41.2mm	88.0 x 74.2 mm	11.0:1
Compression Ratio:	10.3:1	11.8:1	10.8:1	13.0:1	10.6:1	7.0:1	10.8:1	11.6:1	9.5:1	76 x 58 mm
Induction:	4X Keihin CVK30 carburetors	4x Keihin CVK30 carburetors	2x Keihin CVK34 carburetor	Fuel injection with 38mm throttle bodies	Fuel injection: ø32 mm x 2 (Keihin), with dual throttle valves	Mikuni VM19SC Carburettor	2x Keihin CVK34 carburetor	2x Keihin CVK30 carburetors	Fuel injection: ø 34 mm x 2 with dual throttles	4x Keihin CVKD40 carburetors
Starting:	Electric	Electric	Electric	Electric	Electric	Kick	Electric	Electric	Electric	Electric
Max Power:	49 hp / 36.8 kW @ 11000 rpm	58 hp / 43.2 kW @ 12000 rpm	60 hp / 43.7 kW @ 9800 rpm	86.8 kW / 118 hp @ 13200 rpm	29.0 kW / 39 hp @ 11000 rpm	10.5 hp / 7.7 kW) @ 8000 rpm	60 hp / 43.7 kW @ 9800 rpm	29.9 hp / 22 kW @ 10500 rpm	37 kW / 50 hp @ 5700 rpm	147 hp / 108 kW @ 10500 rpm
Max Torque:	3.1 kgf m / 22.4 lb-ft @ 10500 rpm	3.7 kgf-m / 26.7 lb-ft @ 10000 rpm	46.1 Nm / 4.7 kg-m @ 8500 rpm	64.4 Nm / 6.6 kgf-m / 47.5 lb-ft @ 12000 rpm	27.0 Nm / 2.8 kg-fm @ 10000 rpm	0.98 Nm / 0.7 lb-ft @ 7000 rpm	46.1 Nm / 4.7 kg-m @ 8500 rpm	21.7 Nm / 2.21 kgf-m / 16.0 lb-ft @ 10000 rpm	78 Nm / 8.0 kg-fm @ 3700 rpm	110 Nm / 11.2 kgf-m @ 8500 rpm
Final Drive:	Chain	Chain	Chain	Chain	Chain	Chain	Chain	O-ring chain	Belt	Chain
Front Suspension:	Telescopic forks	41mm Telescopic forks	38mm Telescopic forks	41mm inverted cartridge fork with adjustable preload, stepless rebound and compression damping and top-out springs	37 mm Telescopic fork,	Standard froks	38mm Telescopic forks	37mm hydraulic telescopic fork	41mm telescopic fork with 7-way preload	43mm forks preload and rebound adjustable.
Rear Suspension:	Dual shocks	Rising rate monoshock	Swinging arm, single shock adjustable for spring preload	Bottom-Link Uni-Trak with gas charged shock, stepless rebound and compression damping, spring preload adjustability and top-out springs	Bottom-Link Uni-Trak with gas-charged shock and 5-way adjustable preload,	Dual shocks	Swinging arm, single shock adjustable for spring preload	Uni-Trak® with aluminum linkage	Uni-Trak with 7-way adjustable preload	Monoshock fully adjustable.
Front Brakes:	2x discs	2x 300mm discs 4 piston calipers	Single 270mm disc 2 piston caliper	2 x 280mm discs, 4 piston calipers	Single 290 mm petal disc Single balanced actuation dual-piston	Drum	Single 270mm disc 2 piston caliper	Single 260mm hydraulic petal disc 2 piston caliper	Single 300mm disc 2 piston caliper	2x 320mm discs 4 piston calipers
Rear Brakes:	Single disc	Single 240mm disc 1 piston caliper	Single disc	Single 220mm disc, 1 piston caliper	Single 220 mm petal disc Caliper: Dual-piston	Drum	Single disc	Single 220mm petal disc 2 piston caliper	Single 270mm disc 2 piston caliper	Single 240mm disc 1 piston caliper
Front Tyre:	110/80-17	120/60-17	110/70- 17	120/65 ZR17	110/70-17 M/C 54S	2.75 -18	110/70- 17	110/70-17	130/90 -16	120/70 VR 17-V290 Tubeless
Rear Tyre:	140/70-18	160/60-17	130/70 - 17	180/55 ZR17	140/70-17 M/C 66S	2.75 -18	130/70 - 17	130/70-17	180/70 -15	170/60 VR 17-V290 Tubeless
Wheelbase:	1435 mm / 56.5 in	1430 mm / 56.3 in	1435 mm / 56.4 in	1400 mm / 55.1 in.	1405 mm / 55.3 in	1150 mm / 45.3 in	1435 mm / 56.4 in	1389 mm / 5.1 in.	1645 mm / 64.8 in	1490 mm / 58.2 in0