Kawasaki KL 250 (1980-81) vs Kawasaki Z 900 (2017) vs Kawasaki ZX-6R Ninja (2017) vs Kawasaki KL 250 Super Sherpa (2007-10) vs Kawasaki Z 400 (1980-81) vs Kawasaki Zephyr 1100RS / ZR 1100RS (1997)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	KL 250	Z 900	ZX-6R Ninja	KL 250 Super Sherpa	Z 400	Zephyr 1100RS / ZR 1100RS
Years:	1980-81	2017	2017	2007-10	1980-81	1997
Engine:	Four stroke single cylinder. SOHC, 2 Valve	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, parallel twin cylinder, SOHC, 2 Valve per cylinder.	Four stroke transverse four cylinder. DOHC, 2 valves per cylinder.
Capacity:	246 cc / 15.0 cu-in	943 cc / 57.5 cu-in	636 cc / 38.8 cub in	249 cc / 15.2 cu-in	398 cc / 24.2 cu-in	1062 cc / 64.8 cu-in
Bore x Stroke:	70 х 64 mm	73.4 x 56.0mm	67.0 x 45.1mm	71 x 34.2 mm	64 х 62 mm	73.5 x 62.6 mm
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled	Air cooled
Compression Ratio:	8.9:1	11.8:1	12.9:1	9.3:1	9.4:1	9.1:1
Induction:	Carburetor	DFI® with 36mm Keihin throttle bodies	DFI® with four 38mm Keihin throttle bodies and oval sub-throttles	Mikuni BST34 carburetor	2x Keihin CV32 6caburetor	4x Keihin CVK34
Ignition:		TCBI with electronic advance	TCBI with digital advance	Digital CDI	Battery & coil	Analogue CDI (Capacitive Discharge Ign.)
Starting:	Kick	Electric	Electric	Elctric	Electric	Electric
Max Power:	21 hp / 15.6 kW @ 8500 rpm	125 hp / 91.2 kW @ 9500 rpm	97.7 kW / 131 hp @ 13500 rpm	30 hp / 22.3 kW @ 8500 rpm ( rear tyre 23.5 hp @ 8200 rpm )	36 hp / 26.8 kW @ 8500 rpm	93 hp / 67.8 kW @ 8000 rpm
Max Torque:	2 kgf-m / 14.4 lb-ft @ 6500 rpm	98 Nm / 72.7 lb-ft @ 7700	71 Nm / 7.2 kgf.m / 52.4 lb-ft @ 11500 rpm	2.6 kgf-m / 18.8 lb-ft @ 7500 rpm	3.3 kgf-m / 23.8 lb-ft @ 7500 rpm	89 Nm / 9 kg-m @ 7000 rpm
Final Drive:	Chain	Sealed chain	520 series X-ring chain	Chain	Chain	Chain
Front Suspension:	Telescopic forks	41mm inverted fork with rebound damping and spring preload adjustability	41mm inverted Showa BP-SFF fork with top-out springs, stepless compression and rebound damping, adjustable spring preload	36mm Telescopic forks,	Telescopic fork	43mm Telescopic forks
Rear Suspension:	Dual shocks	Horizontal back-link, stepless rebound damping, adjustable spring preload	Bottom-link Uni-Trak® with gas-charged shock, top-out spring and pillow ball upper mount, stepless compression damping, 25-way adjustable rebound damping, fully adjustable spring preload	Uni- track/truck and swing arm	Swing arm	Dual shocks adjustable preload and compression rebound damping
Front Brakes:	Drum	2x semi-floating 310 mm discs 4 piston calipers	2 x 310mm petal rotors with dual radial-mount, Nissin four-piston, monobloc calipers and available KIBS ABS	Single 250mm disc 2 piston caliper	Single 226mm disc	2x 310mm discs 2 piston calipers
Rear Brakes:	Drum	Single 220mm disc 1 piston caliper	Single 220mm petal rotor with single-piston caliper and KIBS ABS	Single 200mm disc 1 piston caliper	180mm Drum	Single 240mm disc 2piston caliper
Front Tyre:	3.00-21	120/70 ZR17	120/70 ZR17	7.75-21	3.25 - S18 4PR	120/70-18
Rear Tyre:	4.00-17	180/55ZR17	180/55 ZR17	4.10-18	3.50 - SIB 4PR	160/70-17
Fuel Capacity:	10 Litres / 2.6 US gal	17 Litres / 4.5 US gal	17 Litres 4.5 US gal	9 Litres / 2.3 US gal	14 Litres / 3.6 US gal	19 Litres / 5.0 gal