Kawasaki GTO 125 (1990-) vs Kawasaki H2 750 Mach IV (1975) vs Kawasaki KDX 250R (1990-92) vs Kawasaki KL 250 Super Sherpa (2003-06) vs Kawasaki GTR1000 / ZG 1000 Concours (1990-93) vs Kawasaki ZX-6R (2009) vs Kawasaki ZZ-R 1200 / ZX-12C (2004)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	GTO 125	H2 750 Mach IV	KDX 250R	KL 250 Super Sherpa	GTR1000 / ZG 1000 Concours	ZX-6R	ZZ-R 1200 / ZX-12C
Years:	1990-	1975	1990-92	2003-06	1990-93	2009	2004
Engine:	Two stroke, single cylinder, rotary valves	Two stroke, transverse three cylinder	Two stroke, single cylinder, reed valve	Four stroke, single cylinder, DOHC, 4 valves	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:	123 cc / 7.6 cu-in	748 cc / 45.6 cu-in	249 cc / 15.2 cu-in	249 cc / 15.2 cu-in	997 cc / 60.8 cu-in	599 cc / 36.6 cub in	1164 cc / 71.0 cu-in
Bore x Stroke:	55.0 x 51.8 mm	71 х 63 mm	67.4 х 70 mm	71 x 34.2 mm	74 x 58 mm	67 x 42.5mm	78 x 59 mm
Cooling System:	Air cooled	Air cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled,	Liquid cooled
Compression Ratio:	7.2:1	7.1:1	10.2:1	9.3:1	10.2:1	13.3:1	10.6:1
Induction:	Mikuni RM 22 SC	3 x 30mm Mikuni VM30SC carburetors	KEIHIN PWK-38. carburetor	Mikuni BST34 carburetor	4 x 32mm Keihin CV carburetors	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body	4x Keihin CVKD40, TPS
Ignition:	Electronic CDI	CDI	CDI	Digital CDI	Electronic	TCBI with digital advance	Digital ignition
Starting:	Kick	Kick	Electric	Elctric	Electric	Electric	Electric
Max Power:	17 hp / 12.8 kW @	74 hp / 55.1 kW @ 6800 rpm	40 hp / 29.8 kW @ 7000 rpm	30 hp / 22.3 kW @ 8500 rpm ( rear tyre 23.5 hp @ 8200 rpm )	110 hp / 85 kW @ 9500 rpm (ZG 1100 - 97 hp / 72.3 kW @ 7000 rpm)	94.1 kW / 128 hp @ 14000 rpm	158.8 hp / 116.8 kW @ 9800 rpm
Max Torque:	NA	77.4 Nm / 7.9 kgf-m @ 6500 rpm	4.1 kgf-m @ 6500 rpm	2.6 kgf-m / 18.8 lb-ft @ 7500 rpm	10 kgf-m @ 6500 rpm	66.7 Nm / 6.8 kgf-m / 49.2 lb-ft @ 11800 rpm	164 Nm / 121 lb-ft @ 8200 rpm
Front Suspension:	Telescopic forks	Telescopic forks non adjustable	43mm conventional cartridge fork	36mm Telescopic forks,	41mm Telescopic, air-assisted adjustable preload	41 mm inverted Showa Big Piston Front fork with top-out springs, stepless compression and rebound damping, fully-adjustable spring preload,	Cartridge-style fork with preload adjustment
Rear Suspension:	Swinging arm	Dual shocks preload adjustable	UNI-TRAK® single-shock system	Uni- track/truck and swing arm	UNI-TRAK with adjustable preload, rebound damping and air pressure	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	UNI-TRAK® system with remote reservoir shock with preload adjustment
Front Brakes:	Drum	Single 295mm disc	Single 250mm disc 2 piston caliper	Single 250mm disc 2 piston caliper	2x 272mm discs 1 piston caliper	2x 300mm discs, 4 piston calipers	2x 320mm discs 6 piston calipers
Rear Brakes:	Drum	203mm drum	Single 230mm disc 1 piston caliper	Single 200mm disc 1 piston caliper	Single 280mm disc 1 piston caliper	Single 220mm disc, 1 piston caliper	Single 250mm disc 2 piston caliper
Front Tyre:	2.50 -18	8.25-19	80/100-21	7.75-21	110/80 VR18	120/70 ZR17	120/70 ZR17
Rear Tyre:	2.75 -18	4.00-18	110/100-18	4.10-18	130/80 VR16	180/55 ZR17	180/55-ZR17
Fuel Capacity:	13.5 Litres / 3.5 US gal	16.7 Litres / 4.4 US gal	12.5 Litres / 3.3 US gal	9 Litres / 2.3 US gal	28.5 Litres / 7.5 US gal	17 Litres / 4.5 US gal	23 Litres / 6.0 US gal