Kawasaki KLX 250S (2009-10) vs Kawasaki ZX-6R (2008) vs Kawasaki Z1-R Turbo (1978-79) vs Kawasaki KLR 650 (2004-05) vs BMW R 75/6 (1973-76) vs BMW R 1200GS (2004)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Kawasaki	BMW	BMW
Model:	KLX 250S	ZX-6R	Z1-R Turbo	KLR 650	R 75/6	R 1200GS
Years:	2009-10	2008	1978-79	2004-05	1973-76	2004
Engine:	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder.	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder
Capacity:	249 cc / 15.2 cu-in	599 cc / 36.6 cub in	1015 cc / 61.9 cu-in	651 cc / 39.7 cu-in	745 cc / 45.5 cu in.	1170 cc / 71.4 in.
Bore x Stroke:	72 х 61.2 mm	67 x 42.5 mm	69.4 х 66 mm	100 Ñ… 83 mm	82 x 70.6 mm	101 x 73 mm
Cooling System:	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Air cooled	Air/oil cooled
Compression Ratio:	11.0:1	13.9:1	8.0:1	9.5:1	9.0:1	11.0:1
Induction:	Keihin CVK34 carburetor	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body	40mm Bendix carb	Keihin CVK40 carburetor	2 x Bing constant depression carbutetors	Electronic intake pipe injection/digital engine management: BMS-K with overrun fuel cut off, dual ignition
Ignition:	Digital CDI	TCBI with Digital advance	Battery & coil ignition	Digital TCBI	Battery ignition	BMS-K
Starting:	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	27 hp / 22.3 kW @ 8500 rpm	91.9 kW /125 hp @ 14000 rpm	126 hp / 93.2 kW @ 8000 rpm	48 hp / 35.0 kW @ 6500 rpm	36.8 kW /50 hp @ 6200 rpm	72 kW / 98 hp @ 7000 rpm
Transmission:	6 Speed	6 Speed	5 Speed	5 Speed	4 Speed	6 Speed
Final Drive:	Chain	X-ring chain	Chain	Chain	Shaft	Shaft
Front Suspension:	43 mm Inverted cartridge fork with 16-Way compression damping adjustment	41 mm inverted cartridge fork with top-out springs, stepless rebound damping, stepless compression damping, fully-adjustable spring preload	36mm Telescopic forks	38mm Air assisted Kayaba forks	Telescopic hydraulic forks	Telelever, stanchion ∅41mm, central spring strut, spring preload 9 times mechanically adjustable.
Rear Suspension:	Uni-Trak® with Adjustable preload, 16-Way compression and Rebound damping adjustment	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	Dual shocks with 5-way spring preload.	Single Kayaba shock	Long swinging arm with strut. 125mm wheel travel	Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever, WAD strut (travel-related damping), spring pre-load hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable.
Front Brakes:	Single 250mm disc 2 piston caliper	2 x 300mm discs, 4 piston calipers	2x 295mm discs	Single 230mm disc	∅200mm Drum	2 x ∅305mm discs, 4 piston caliper
Rear Brakes:	Single 230mm disc 1 piston caliper	Single 210mm disc, 1 piston caliper	Single 295mm disc	Single 204mm disc	∅200mm Drum	Single ∅265 mm disc, 2 piston caliper
Front Tyre:	80/100-21	120/65 ZR17	100/90 18	90/90 -21	3.25 - S19	110/80 ZR19
Rear Tyre:	100/100-18	180/55 ZR17	120/90 V18	130/80-17	4.00 - S18	150/70 ZR17
Wet Weight:	135 kg / 297.7 lbs	190 kg / 418 lbs	245 kg / 540 lbs	189 kg / 416 lbs	210 kg / 463 lbs	225 kg / 496 lbs
Fuel Capacity:	7.2 Litres / 2.0 US gal	17 Litres / 4.5 US gal	13 Litres / 3.4 US gal	23 Litres / 6.0 US gal	24 Litres / 6.3 US gal	20 Litres / 5.2 US gal