Kawasaki KDX 250R (1993-95) vs Kawasaki VN 800 Vulcan (2004-06) vs Kawasaki Z 1000SX ABS (2014) vs Kawasaki VN 750 Vulcan (1991-96) vs Kawasaki VN 900 Vulcan Classic LT (2008-09) vs Kawasaki VN 650 Vulcan S / ABS (2021-22)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki	Kawasaki
Model:	KDX 250R	VN 800 Vulcan	Z 1000SX ABS	VN 750 Vulcan	VN 900 Vulcan Classic LT	VN 650 Vulcan S / ABS
Years:	1993-95	2004-06	2014	1991-96	2008-09	2021-22
Engine:	Two stroke, single cylinder, reed valve	Four stroke, V-Twin, SOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Four stroke, V-Twin, DOHC, 4 valves per cylinder.	Four stroke V-Twin, SOHC, 4 valve per cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder.
Capacity:	249 cc / 15.2 cu-in	805 cc / 49.1 cu-in	1043 cc / 63.6 cu-in	749 cc / 45.7 cu-in	903 cc / 49 cu-in	649 cc / 39.65 cu /in
Bore x Stroke:	67.4 х 70 mm	88 x 66.2 mm	77.0 x 56.0mm	84.9 x 66.2mm	88.0 x 74.2 mm	83 x 60 mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Compression Ratio:	10.2:1	9.5:1	11.8:1	10.3:1	9.5:1	10.8:1
Induction:	KEIHIN PWK-38. carburetor	Keihin CVK36 carburetor	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles	34mm Keihin CVK34 carburetor	Fuel injection: ø 34 mm x 2 with dual throttles	Fuel system DFI® with two 38mm throttle bodies, with sub-throttles
Ignition:	CDI	Digital K-TRIC	TCBI with digital advance / electric	Electronic	Digital	TCBI with digital advance
Starting:	Electric	Kick	Electric	Electric	Electric	Electric
Max Power:	40 hp / 29.8 kW @ 7000 rpm	56 hp / 40.8 kW @ 7000 rpm	104.5 kW / 142 hp @ 10000 rpm	66 hp / 48.1 kW @ 7500 rpm	37 kW / 50 hp @ 5700 rpm	61 hp / 44.5 kW) @ 7500 rpm
Max Torque:	4.1 kgf-m @ 6500 rpm	64 Nm / 47.2 lb-ft @ 3300 rpm	111 Nm / 11.3 kgf.m @ 7300 rpm	6.5 kgf-m / 64.7 Nm @ 6000 rpm	78 Nm / 8.0 kg-fm @ 3700 rpm	63 Nm / 46.5 ft.lb @ 6600 rpm
Front Suspension:	43mm conventional cartridge fork	41 mm. hydraulic telescopic fork	41 mm inverted SFF-BP fork with stepless compression and rebound damping and spring preload adjustability	Telescopic fork	41mm telescopic fork with 7-way preload	41 mm hydraulic telescopic fork
Rear Suspension:	UNI-TRAK® single-shock system	Uni-Trak with 7 way cam-type preload adjuster	Horizontal monoshock with stepless rebound damping, remotely adjustable spring preload	Dual shocks, air-adjustable preload and 4-position rebound damping	Uni-Trak with 7-way adjustable preload	Lay-down offset rear shock with linkage and adjustable preload
Front Brakes:	Single 250mm disc 2 piston caliper	Single 300mm disc 2 piston caliper	2x 310mm discs etal-type rotors with radial-mount 4 piston monobloc calipers and ABS	2x 226mm discs 2 piston calipers	Single 300mm disc 2 piston caliper	Single 300mm disc 2 piston caliper
Rear Brakes:	Single 230mm disc 1 piston caliper	180mm Drum	Single 250mm disc petal-type rotor with 1 piston caliper and ABS	Drum	Single 270mm disc 2 piston caliper	Single 250mm disc 1 piston caliper
Front Tyre:	80/100-21	80/90-21	120/70 -R17	100/90-19	130/90 -16	120/70 -R18
Rear Tyre:	110/100-18	140/90-16	190/50 ZR17	150/90-15	180/70 -15	160/60 R17
Wheelbase:	1475 mm / 58.0 in	1,625 mm / 64 in	1445 mm / 56.8 in	1580 mm / 62.2 in	1645 mm / 64.8 in	1574.8 mm / 62 in.
Seat Height:	935 mm / 36.8 in	712 mm / 28.0 in	820 mm / 32.2 in.	730 mm / 28.9 in	680 mm / 26.8 in	706 mm / 27.8 in
Fuel Capacity:	12.5 Litres / 3.3 US gal	15 Litres / 3.9 US gal	19.8 Litres / 5.2 US gal	13.5 Litres / 3.6 US gal	20 Litres / 5.3 US gal.	14 Litres / 3.7 US gal