Kawasaki Z 650 (1978) vs Kawasaki KLX 250R (2004-06) vs BMW G 650GS Sertao (2012) vs Kawasaki GPz 500S / EX 500R Ninja (1991-92) vs BMW R 1200RS LC (2015) vs BMW F 650GS (2012) vs Kawasaki KLR 650 (1991-92) vs BMW F 800R (2010)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	BMW	Kawasaki	BMW	BMW	Kawasaki	BMW
Model:	Z 650	KLX 250R	G 650GS Sertao	GPz 500S / EX 500R Ninja	R 1200RS LC	F 650GS	KLR 650	F 800R
Years:	1978	2004-06	2012	1991-92	2015	2012	1991-92	2010
Engine:	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinders. DOHC, 4 valves per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, DOHC, 4 valves per cylinder, Intake 40mm outlet 34 mm	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder
Capacity:	652 cc / 39.7 in	249 cc / 15.2 cu-in	652 cc / 39.8 cub. in.	498 cc / 30.4 cu-in	1170 cc / 71.4 cub in.	798 cc / 47.7 cub. in.	651 cc / 39.7 cu-in	798 cc / 47.7 cub. in.
Bore x Stroke:	62 х 54 mm	72 х 61.2 mm	100 x 83mm	74 x 58 mm	101 x 73 mm	82 x 75.8 mm	100 х 83 mm	82 x 75.8 mm
Compression Ratio:	9.5:1	11.0:1	11.5:1	10.8:1	12.5:1	12.0:1	9.5:1	12.0:1
Induction:	4x 28mm Mikuni carburetors	Keihin CVK34 carburetor	Fuel induction	2x Keihin CVK34 carburetor	Throttle valve mm 52 Carburetion BMS-X Emission control Closed-loop 3-way catalytic converter	Electronic intake injection, ∅45mm throttle bodies	Keihin CVK40 carburetor	Electronic injection, digital engine electronics (BMS-KP)
Ignition:	Battery & coil	Digital CDI	Capacitor Discharge Ignition system	TCI (Transistor Controlled Ignition)	BMS-K	Knock control and oxygen sensors.	Digital TCBI	Knock control and oxygen sensors.
Starting:	Electric & kick	Kick	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	66 hp / 48.2 kW @ 8500 rpm	27 hp / 22.3 kW @ 8500 rpm	37 kW / 48 hp @ 6500 rpm	60 hp / 43.7 kW @ 9800 rpm	92 kW / 125 hp @ 7750 rpm	62.5 kW / 85 hp @ 7500 rpm	41.7 hp @ 7100 rpm	64 kW / 87 hp @ 8000 rpm
Max Torque:	5.8 kgf-m / 57 Nm @ 7000 rpm	2.6 kgf-m / 18.5 lb-ft @ 7500 rpm	60 Nm / 6.1 kgf-m / 44.25 lb-ft. @ 5000 rpm	46.1 Nm / 4.7 kg-m @ 8500 rpm	125 Nm / 12.7 kgf-m / 92 lb-ft @ 6500 rpm	80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5700 rpm	5.3 kgf-m / 38.3 lb-ft @ 5500 rpm	86 Nm / 8.8 kgf-m / 63 lbs/ft @ 6000 rpm
Transmission:	5 Speed	6 Speed	5 Speed	6 Speed	Constant mesh 6-speed gearbox with helical gear teeth	6 Speed	5 Speed	6 Speed
Final Drive:	Chain	Chain	Chain	Chain	Shaft	Chain	Chain	Belt
Frame:	Steel twin loop cradle	Steel, Double cradle frame	Bridge-type steel section frame with bolted-on rear section	Iron, Double cradle frame	Two-section frame, front- and bolted on rear frame, load-bearing engine	Tubular frame in steal partly carrying the engine	Single downtubes, fully cradle frame box section aluminium swingarm	Bridge frame made aluminium, load-supporting engine
Front Suspension:	Telescopic hydraulic fork	43 USD cartridge fork with 16-way adjustable compression damping	∅41mm telescopic fork with stabilizer bridge	38mm Telescopic forks	Telescopic Upside-Down fork; stanchion diameter 45 mm	∅43mm Marzocchi, upside down forks	38mm Air assisted Kayaba forks	∅43mm Telescopic fork
Rear Suspension:	Swinging fork	Bottom-Link UNI-TRAK with gas-charged shock, adjustable preload, 16-way rebound and compression damping	Spring setting and rebound stage damping continuously adjustable,	Swinging arm, single shock adjustable for spring preload	Cast aluminium single-sided swing arm with BMW Motorrad Paralever; WAD strut (travel-related damping), spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable at handwheel	Double strut swing arm aluminium coast in one piece	Single Kayaba shock	Cast aluminium double-sided swing arm, central, suspension strut, spring pre-tension by means of hand
Front Brakes:	Single 275mm disc 1 piston caliper	Single 250mm disc 2 piston caliper	Single ∅300mm disc, 2 piston caliper	Single 270mm disc 2 piston caliper	2 X 320 floating discs 4 piston calipers	2 x ∅300mm discs, 4 piston calipers	Single 230mm disc	2 x ∅320mm discs, 4 piston calipers
Rear Brakes:	180mm Drum	Single 230mm disc 1 piston caliper	Single ∅240mm disc, 1 piston caliper	160mm drum	Single 275mm disc 2 piston caliper,	Single ∅265mm disc, 2 piston caliper	Single 204mm disc	Single ∅265mm disc, 1 piston caliper
Front Tyre:	3.25-19	3.00 -21	90/90 S21	100/90-16	120/70 ZR 17	90/90 - 21 54V	90/90 -21	120/70 ZR17
Rear Tyre:	4.00-18	4.00 -17	130/80-17	120/90-16	180/55 ZR 17	150/70 - 17 69V	130/80-17	180/55 ZR17
Seat Height:	800 mm / 31.5 in	880 mm / 35 in	860 mm to 900 mm / 33.9 in. to 35.4 in.	770 mm / 30.0 in	760 mm - 820 mm / 29.9 in - 32.2 in	880 mm - 850 mm / 34.6 in. - 33.5 in.	889 mm / 35.0 in	800 mm / 31.5 in. (low seat: 775 mm / 30.5 in., high seat: 825 mm / 32.5 in)
Wet Weight:	220 kg / 485 lbs	130 kg / 286 lbs	191 kg / 421 lbs	200 kg / 441 lbs	231 kg / 509.2 lbs	209 kg / 460.8 lbs.	189 kg / 416 lbs	199 kg / 439 lbs.
Fuel Capacity:	16.5 Litres / 4.3 US gal	10 Litres / 2.6 US gal	17.3 Litres / 4.6 US gal.	15.9 Litres / 4.2 US gal	18 Litres / 5.3 US gal	16 L / 4.2 US gal	23 Litres / 6.0 US gal	16 Litres / 4.2 US gal