Kawasaki KDX 125R (2001-03) vs Kawasaki ZX-6R Ninja (2013) vs Kawasaki ZZ-R 400 (1990-91) vs Kawasaki VN 1700 Vulcan Nomad (2013-14) vs Kawasaki Zephyr 750 (1998) vs Kawasaki ZX-6R (ZX 636) (2004)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	KDX 125R	ZX-6R Ninja	ZZ-R 400	VN 1700 Vulcan Nomad	Zephyr 750	ZX-6R (ZX 636)
Years:	2001-03	2013	1990-91	2013-14	1998	2004
Engine:	Two stroke, single cylinder, with KIPS	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Liquid cooled, four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, V-twin, SOHC, 4 valve per cylinder	Four stroke, transverse four cylinder , DOHC, 2 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity:	124 cc / 7.6 cu-in	636 cc / 38.8 cub in	398 cc / 24.3 cu-in	1700 cc / 103.7 in	738 cc / 45.6 cu-in	636 cc / 38.8 cub in
Bore x Stroke:	56 х 50.6 mm	67.0 x 45.1mm	57.5 x 38.5 mm	102 x 104 mm	66 x 54 mm	68 x 43.8 mm
Compression Ratio:	8,0:1	12.9:1	11.8:1	9.5:1	9.5:1	12.8:1
Induction:	Keihin PE28 carburetor	DFI® with four 38mm Keihin throttle bodies and oval sub-throttles	4x Keihin CVK30 carburetors	Electronic fuel injection, 42 mm dia. x 2	4x 32mm Keihin carburetors	Digital fuel injection with four 38mm throttle bodies
Ignition:	CDI	TCBI with digital advance	Digital	TCDI with digital advance	Analogue CDI (Capacitive Discharge	Digital
Starting:	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	33.2 hp / 24.7 kW @ 9600 rpm	97.7 kW / 131 hp @ 13500 rpm	58 hp / 43.2 kW @ 12000 rpm	55 kW / 74 hp @ 5000 rpm	71 hp / 52.6 kW @ 9500 rpm	86 kW / 118 hp @ 12500 rpm
Max Torque:	21.8 Nm / 16 lb-ft @ 8600 rpm	71 Nm / 7.2 kgf.m / 52.4 lb-ft @ 11500 rpm	3.7 kgf-m / 26.7 lb-ft @ 10000 rpm	135 Nm / 13.7 kgf-m / 99.6 lb-ft @2750 rpm	56.8 Nm / 42.0 lb-ft @ 7300 rpm	68.8Nm / 7.02 kgf-m / 50.7 lb-ft @ 12000 rpm
Transmission:	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain	520 series X-ring chain	Chain	Belt drive	Chain	Chain
Front Suspension:	Kayaba 48mm telescopic hydraulic fork reversed KAYABA 48mm, double adjustment + adjustable spring preload, prepared	41mm inverted Showa BP-SFF fork with top-out springs, stepless compression and rebound damping, adjustable spring preload	41mm Telescopic forks	43 mm Telescopic fork	41mm Telescopic forks no adjustmen	46 mm cartridge fork with 12-way rebound, 12-way compression damping and spring preload adjustability
Rear Suspension:	Uni-Trak adjustable for 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	Rising rate monoshock	Swingarm with twin air-assisted 4 way adjustable shocks for rebound and damping	Dual gas shocks adjustable for preload, rebound, and compression.	Bottom-Link Uni-Trak with gas-charged shock, 18-way rebound, 20-way compression damping and spring preload adjustability
Front Brakes:	Single 260mm disc	2 x 310mm petal rotors with dual radial-mount, Nissin four-piston, monobloc calipers and available KIBS ABS	2x 300mm discs 4 piston calipers	2x 300mm discs 2 piston calipers	2x 300mm discs 2 piston calipers	2 x 300mm discs, 4 piston calipers
Rear Brakes:	Single 220mm disc	Single 220mm petal rotor with single-piston caliper and KIBS ABS	Single 240mm disc 1 piston caliper	Single 300mm disc 2 piston caliper	Single 230mm disc 1 piston caliper	Single 220mm disc, 1 piston caliper
Front Tyre:	70/100-21	120/70 ZR17	120/60-17	130/90 -R16	120/70 VR17	120/65 ZR17
Rear Tyre:	4.10-18	180/55 ZR17	160/60-17	170/70 -R16	150/70 VR17	180/55 ZR17
Wheelbase:	1455 mm / 57.3 in to 1480 mm / 58.2 inaccording to chain tension	1395 mm / 54.9 in.	1430 mm / 56.3 in	1,666 mm / 65.6 in	1455 mm / 57.2 in	1400 mm / 54.7 in.
Seat Height:	950 mm / 37.4 in	830.5 mm / 32.7 in.	780 mm / 30.7 in	730 mm / 28.7 in.	770 mm / 30.3 in	820 mm / 32.3 in
Fuel Capacity:	9.0 Litres / 2.3 US gal	17 Litres 4.5 US gal	16 Litres / 4.7 US gal	20 Litres / 5.3 US gal.	17 Litres / 4.4 US gal	18 Litres / 4.8 gal