Kawasaki GPz 1100-B1 / Z 1100GP (1981) vs Kawasaki GT 550 (1982-) vs Kawasaki GPz 550 / Z 550GP (1981-82) vs Kawasaki GPz 400F / Z400GP (1984) vs Kawasaki VN 1500 Vulcan Drifter (1999-01) vs Kawasaki VN 800 Vulcan (1995-97) vs Kawasaki ZR-7S (1999-01) vs Kawasaki KMX 125 (1986-89) vs Kawasaki ZX-6R (2002)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	GPz 1100-B1 / Z 1100GP	GT 550	GPz 550 / Z 550GP	GPz 400F / Z400GP	VN 1500 Vulcan Drifter	VN 800 Vulcan	ZR-7S	KMX 125	ZX-6R
Years:	1981	1982-	1981-82	1984	1999-01	1995-97	1999-01	1986-89	2002
Engine:	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 Valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder.	Four stroke, 50° V-Twin, SOHC, 4 valves per cylinder	Four stroke, V-Twin, SOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.	Two stroke, single cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity:	1089 cc / 66.4 cu-in	553 cc / 33.7 cu-in	553 cc / 33.7 cu-in	399 cc / 24.3 cu-in	1470 cc / 89.7 cu-in	805 cc / 49.1 cu-in	738 cc / 45.0 cu-in	124 cc / 7.6 cu-in	636 cc / 38.8 cub in
Bore x Stroke:	72.5 x 66 mm	58 x 52.4 mm	58 x 52.4 mm	52 х 47mm	102 x 90 mm	88 x 66.2 mm	66 x 54 mm	54 х 54.4 mm	68 x 43.8 mm
Cooling System:	Air cooled	Air cooled	Air cooled	Air cooled	Liquid cooled	Liquid cooled	Air/oil cooled	Liquid cooled	Liquid cooled
Compression Ratio:	8.9:1	9.5:1	10.0:1	9.5:1	9.0:1	9.5:1	9.5:1	7.8:1	12.8:1
Induction:	Bosch electronic fuel injection	4x TK K26V mm carburetors	4x 22mm Teikei constant vacuum - main jets #94	4 x 21mm Teir-Kei carburetors	Digital Fuel Injection with dual 36mm throttle bodies	Keihin CVK36 carburetor	4x 32 mm CV-Type with K-TRICK	Carburetor	4 x Mikuni BDSR36R carbs
Ignition:	Electronic, CDI	CDI	CDI	CDI	Digital	Digital K-TRIC	Digital	CDI	Digital
Starting:	Electric	Electric	Electric	Electric	Electric	Kick	Electric	kcik	Electric
Max Power:	108 hp / 81 kW @ 8000 rpm	58 hp / 43.2 kW @ 9000 rpm	58 hp / 42.3 Nm @ 9000 rpm	51 hp / 38 kW @ 11500 rpm	64 hp / 46.7 kW @ 4700 rpm	56 hp / 40.8 kW @ 7000 rpm	76 hp / 55.4 kW @ 9500 rpm	22 hp / 16.4 kW @ 9500 rpm	86 kW / 118 hp @ 12500 rpm
Max Torque:	95.1 Nm / 70.2 lb-ft @ 7000 rpm		35.5 lb-ft / 48.1 Nm @ 8000 rpm	34.3 Nm / 25.2 lb-ft @ 8500 rpm	112 Nm / 82.6 lb-ft @ 3000 rpm	64 Nm / 47.2 lb-ft @ 3300 rpm	63 Nm / 46.5 lb-ft @ 7500 rpm	1.7 kgf-m / 12.2 lb-ft @ 9000 rpm	68.8Nm / 7.02 kgf-m / 50.7 lb-ft @ 12000 rpm
Transmission:	5 Speed	6 Speed	6 Speed	6 Speed	5 Speed	5 Speed	5 Speed	6 Speed	6 Speed
Final Drive:	Chain	Shaft	#530 O-ring chain	Chain	Shaft	Chain	Chain	Chain	Chain
Front Suspension:	Telescopic coil/air spring forks	Telescopic forks	Telescopic forks	Telescopic forks	41mm cartridge fork	41 mm. hydraulic telescopic fork	41mm Kayaba shock adjustable for preload/rebound damping	Telescopic forks	46 mm cartridge fork with 12-way rebound, 12-way compression damping and spring preload adjustability
Rear Suspension:	Swinging arm with 2 dampers adjustable for preload and damping	Swinging arm	Dual shocks, Swinging arm	Swing arm	Dual air assisted shock absorbers with 4-way rebound damping adjustment	Uni-Trak with 7 way cam-type preload adjuster	Bottom link UNI-TRAK with 7-way adjustable preload and 4-way rebound damping	Swing arm	Bottom-Link Uni-Trak with gas-charged shock, 18-way rebound, 20-way compression damping and spring preload adjustability
Front Brakes:	2x 270mm discs 1 piston calipers	2x Disc	2X 260mm disc	Single 236mm disc	2x 320mm discs 6 piston calipers	Single 300mm disc 2 piston caliper	2x 300mm discs 2 piston calipers	Single 230mm disc	2 x 300mm discs, 4 piston calipers
Rear Brakes:	Single 270mm disc 1 piston caliper	Drum	Single 260mm disc	Single 140mm drum	Single 270mm disc 2 piston caliper	180mm Drum	Single 240mm disc 2 piston caliper	Single 210mm disc	Single 220mm disc, 1 piston caliper
Front Tyre:	3.25-18	100/90-19	3.25 H19	90/90-19	130/90R-16	80/90-21	120/70-17	2.75-21	120/65 ZR17
Rear Tyre:	4.25-18	120/90-18	3.75 H18	110/90-18	150/80R-16	140/90-16	160/60-17	4.10-18	180/55 ZR17
Fuel Capacity:	21.4 Litres / 5.5 US gal	22 Litres / 5.8 US gal	15 Litres / 3.9 US gal	15 Litres / 3.9 US gal	18.9 Liter / 5.0 US gal	15 Litres / 3.9 US gal	22 Litres / 5.8 US gal	9.3 Litres / 2.4 US gal	18 Litres / 4.8 gal