Kawasaki GPX 600R Ninja / ZX 600R (1989-93) vs Kawasaki ZX-R 750-J (1991) vs Kawasaki ZX-R 750-L (1993) vs Kawasaki ZX-6R Special Edition (2008) vs Kawasaki ZRX 1200S (2004-05)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	GPX 600R Ninja / ZX 600R	ZX-R 750-J	ZX-R 750-L	ZX-6R Special Edition	ZRX 1200S
Years:	1989-93	1991	1993	2008	2004-05
Engine:	Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder	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, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity:	598 cc / 36.1 cu-in	749 cc / 45.7 cu-in	749 cc / 45.7 cu-in	599 cc / 36.6 cub in.	1165 cc / 71.0 cu-in
Bore x Stroke:	60 x 52.4 mm	71 x 47.3 mm	71 x 47.3 mm	67 x 42.5 mm	79 x 59.4 mm.
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Compression Ratio:	11.71	10.8:1	10.8:1	13.9:1	10.1:1
Induction:	4x 32mm Keihin CV carburetors	4x 38 mm Keihin CVKD (Constant Velocity) carburettors / Ram Air System (single intake)	4x 38 mm Keihin CVKD (Constant Velocity) carburettors / Ram Air System (single intake)	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body	4x Keihin CVK36 carburetors
Ignition:	Digital	Digital	Digital	TCBI with Digital advance	Digital with K-TRICK
Starting:	Electric	Electric	Electric	Electric	Electric
Max Power:	84 hp / 62 kW @ 11000 rpm	100 hp / 74 kW @ 10500 rpm	118 hp / 86 kW @ 10500 rpm	91.9 kW /125 hp @ 14000 rpm	122 hp / 88.9 kW @ 8500 rpm
Max Torque:	42 ft-lb / 5.8kgf-m @ 9000 rpm	7.45 kgf-m / 53.8 lb-ft @ 9000rpm	7.51 kgf-m / 54.3 lb-ft @ 9750 rpm	66 Nm / 6.73 kg-m / 48.7 lb-ft @ 11700 rpm	112 Nm / 82.6 lb-ft @ 7000 rpm
Transmission:	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	Chain	Chain	Chain	X-ring chain	Chain
Front Suspension:	38mm Telescopic with electronic anti-drive.	43mm Upside-down forks, adjustable ride height, 13-way rebound	41mm Upside-down forks, adjustable ride height, 13-way rebound	41 mm inverted cartridge fork with top-out springs, stepless rebound damping, stepless compression damping, fully-adjustable spring preload	43 mm fully adjustable, conventional cartridge-type fork, offers 12-way compression and rebound damping adjustment as well as fork spring preload
Rear Suspension:	Rising rate monoshock with adjustable preload and rebounding preload.	Uni Track monoshock. adjustable ride height, preload, 4-way rebound	Unit Track monoshock. adjustable ride height, preload, 4-way rebound	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	Fully adjustable rear shock
Front Brakes:	2x 270mm discs	2x 320mm discs 4 piston calipers	2x 320mm discs 4 piston calipers	2 x 300mm discs, 4 piston calipers	2x 310mm discs 6 piston calipers
Rear Brakes:	Single 130mm disc	Single 230mm disc 2 piston caliper	Single 230mm disc 2 piston caliper	Single 210mm disc,1 piston caliper	Single 250mm disc 2 piston caliper
Front Tyre:	110/80 V16	120/70ZR17 /Std Pressure 36psi	120/70 ZR17	120/65 ZR17	120/70 ZR17
Rear Tyre:	130/90 V16	180/55ZR17 /Std Pressure 41psi	180/55ZR17 /Std Pressure 41psi	180/55 ZR17	180/55 ZR17
Wheelbase:	1425 mm / 56.1 in	1420 mm / 55.9 in	1430 mm / 55.9 in	1405 mm / 55.3 in.	1465 mm / 57.7 in
Dry Weight:	180 kg / 397 lbs	195 kg / 420.9 lbs	205 kg / 451.9 lbs	167 kg / 368 lbs	227 kg / 500.4 lbs
Fuel Capacity:	19.5 Litres / 5.1 US gal	18 Litres / 4.7 US gal	18 Litres / 4.7 US gal	17 Litres / 4.5 gal	19 Litres / 5.0 US gal
Standing ¼ Mile:	11.7 sec / 182.8 km/h	11,2 sec / 196.2 km/h	10.7 sec / 207.2 km/h	11.2 sec	10.9 sec
Top Speed:	226.8 km/h / 140.9 mph	241 km/h / 149.7 mph	258.1 km/h / 160.3 mph	252.1 km/h / 156.4 mph	246 km/h / 152.8 mph