Kawasaki Z 1000R (2017-18) vs Kawasaki GPz 400 / Z400GP (1982) vs Kawasaki AR 125 (1984-85) vs Suzuki RF 600R (1993-94) vs Honda VTR 1000 RC51 SP2 Nicky Hayden Special Edition (2004) vs Kawasaki GPz 500S / EX 500R Ninja (1998-00)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Suzuki	Honda	Kawasaki
Model:	Z 1000R	GPz 400 / Z400GP	AR 125	RF 600R	VTR 1000 RC51 SP2 Nicky Hayden Special Edition	GPz 500S / EX 500R Ninja
Years:	2017-18	1982	1984-85	1993-94	2004	1998-00
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder.	Two stroke, single cylinder, disc valve.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, 90°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinders. DOHC, 4 valves per cylinder.
Capacity:	1043 cc / 63.6 cu-in	399 cc / 24.3 cu-in	124 cc / 7.5 cu-in	599 cc / 36.6 cu in	996 cc / 60.8 cu-in	498 cc / 30.4 cu-in
Bore x Stroke:	77.0 x 56.0mm	52 х 47mm	55 х 51.8 mm	65 x 45.2 mm	100 x 63.6 mm	74 x 58 mm
Compression Ratio:	11.8:1	9.5:1	6.5:1	12.0:1	10.8:1	10.8:1
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled,
Induction:	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles	4 x 21mm Teir-Kei carburetors	24mm Mikuni carburetor	4 x 36 mm Mikuni carburetors	Electronic fuel injection PGM-FI with two injectors per cylinder	2x Keihin CVK34 carburetor
Ignition:	TCBI with digital advance / electric	CDI	Capacitor discharge	Digital electronic	Computer-controlled digital transistorized	TCI (Transistor Controlled Ignition)
Starting:	Electric	Electric	Kick	Electric	Electric	Electric
Max Power:	104.5 kW / 142 hp @ 10000 rpm	48 hp / 35 kW @ 10500 rpm	22 hp / 16.4 kW @ 9500 rpm	72.9 kW / 100 hp @ 11500 rpm	136 hp / 100 kW @ 9500 rpm	60 hp / 43.7 kW @ 9800 rpm
Max Torque:	111 Nm / 11.3 kgf.m @ 7300 rpm	34.3 Nm / 25.2 lb-ft @ 8500 rpm	1.7 kgf-m / 12.2 lb-ft @ 8000 rpm	64.2 Nm / 6.5 kgf-m / 47.4 lb-ft @ 9500 rpm	10.7 kgf-m / 105 Nm @ 8000 rpm	46.1 Nm / 4.7 kg-m @ 8500 rpm
Transmission:	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	X-ring chain	Chain	Chain	Chain	Chain	Chain
Front Suspension:	41 mm inverted SFF-BP fork with stepless compression and rebound damping and spring preload adjustability	Telescopic forks	30mm Leading telescopic	41mm Telescopic forks, preload adjustable.	43mm inverted cartridge-type fork with adjustable spring preload, and compression and rebound damping	38mm Telescopic forks
Rear Suspension:	Horizontal monoshock with stepless rebound damping, remotely adjustable spring preload	Swing arm	Rising rate Uni-trek linkage 5-way preload.	Link-type single shock, rebound and preload adjustable.	Pro-Link with gas-charged integrated remote reservoir damper offering adjustable preload, and compression and rebound damping,	Swinging arm, single shock adjustable for spring preload
Front Brakes:	2x semi-floating 310 mm Brembo discs, Dual radial-mount, Brembo M50 monobloc, opposed 4-piston	Single 236mm disc	Single 232mm disc 1 piston caliper	2 x 290 mm Semi-floating discs, 4 piston calipers	2x 320mm discs 4 piston calipers	Single 270mm disc 2 piston caliper
Rear Brakes:	Single 250mm disc petal-type rotor with 1 piston caliper and ABS	Single 140mm drum	130 drum	Single 240 mm disc, 2 piston caliper	Single 220mm disc 1 piston caliper	Single disc
Front Tyre:	120/70 -R17	90/90-19	2.75-18	120/70-17	120/70 ZR17	110/70- 17
Rear Tyre:	190/50 ZR17	110/90-18	3.00-18	160/60-17	190/50 ZR17	130/70 - 17
Fuel Capacity:	17 Litres / 4.5 US gal	15 Litres / 3.9 US gal	11.5 Litres / 3.0 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	18 Liters / 3.8 US gal	15.9 Litres / 4.2 US gal