BMW K 1600 GT (2012) vs Kawasaki ER-6f (2008) vs BMW F 650GS Dakar (2005) vs BMW K 1300GT (2010) vs BMW F 650CS Scarver (2004) vs BMW R 45 (1978-81)

Comparison technical specifications

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Make:	BMW	Kawasaki	BMW	BMW	BMW	BMW
Model:	K 1600 GT	ER-6f	F 650GS Dakar	K 1300GT	F 650CS Scarver	R 45
Years:	2012	2008	2005	2010	2004	1978-81
Engine:	Four stroke, transverse six cylinder, 4 valves per cylinder	Four stroke, parallel twin, DOHC, 4 valves per cylinder.	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity:	1649 cc / 100.6 cu in.	649 cc / 39.6 cu-in	652 cc / 39.8 cub. in.	1298 cc / 79.2 cu in.	652 cc / 39.8 cub. in.	453 cc / 27.6 cu in.
Bore x Stroke:	72 x 67.5 mm	83 X 60mm	100 x 83mm	80 x 64.3 mm / 3.15 x 2.53"	100 x 83mm	70 x 61.5 mm
Compression Ratio:	12.2:1	11.3;1	11.5:1	13.0:1	11.5:1	9.2:1
Induction:	∅52mm Throttle valve diameter, BMS-X	2x 38mm Electronic Fuel Injection Keihin	Fuel induction	Electronic fuel injection, Digital Motor Electronics with integrated knock control (BMS-K)	Fuel induction	2 x Bing V65 carburetors
Starting:	Electric	Electric	Electric	Electric	Electric	Kick
Max Power:	118 kW / 160.5 hp @ 7750 rpm	53 kW / 72.1 hp @ 8500 rpm	37.3 kW / 50 hp @ 6800 rpm	127 kW / 173 hp @ 9250 rpm	37.3 kW / 50 hp @ 6800 rpm	20 kW / 27 hp @ 7250 rpm
Max Torque:	175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm	66 Nm / 6.7 m-kg @ 7000 rpm	60 Nm / 6.12 kgf-m / 44.25 lb-ft. @ 5200 rpm	140 Nm / 14.3 kgf-m / 103 lb-ft @ 8250 rpm	62.3 Nm / 6.4 kgf-m / 46 ft-lbs @ 5500 rpm	37.5 Nm / 3.82 kgf-m / 27.65 lb-ft @ 5000 rpm
Transmission:	6 Speed	6 Speed	5 Speed	6 Speed	5 Speed	5 Speed
Final Drive:	Shaft	Chain	Chain	Shaft	Belt	Shaft
Front Suspension:	Dual longitudinal control arm	41 mm telescopic fork,	41mm Telescopic fork with stabilizer bridge	BMW Motorrad Duolever; central spring strut, Paralever; central spring strut with lever system	∅41mm Telescopic fork with integral brace	Telescopic hydraulic forks
Rear Suspension:	Paralever (single-sided swing arm), central spring strut, rebound/continuously variable	Offset laydown single-shock with adjustable preload,	Spring setting and rebound stage damping continuously adjustable	Cast aluminium single swing arm with BMW Motorrad, spring pre-tension with infinite hydraulic adjustment	Steel swingarm with progressive shock linkage	Long swinging arm with adjustable strut
Front Brakes:	2 x ∅320mm discs, 4 piston calipers	2x 300mm discs 2 piston calipers	Single ∅300mm disc, 2 piston caliper	2 x ∅320mm discs, 4 piston calipers	Single ∅300mm disc, 2 piston caliper	2 x ∅260mm Disc, 2 piston caliper.
Rear Brakes:	Single ∅320mm disc, 2 piston caliper	Single 220mm disc 1 piston caliper	Single ∅240mm disc, 1 piston caliper	Single ∅265mm disc, 2 piston caliper	Single ∅240 mm disc, 1 piston caliper	Single ∅200mm drum
Front Tyre:	120/70 ZR17	120/70ZR17	90/90 S21	120/70 ZR17	110/70 ZR17	1.85 - B18
Rear Tyre:	190/55 ZR17	160/60ZR17	130/80-17	180/55 ZR17	160/60 ZR17	2.50 - B18
Fuel Capacity:	26.5 L / 7.0 US gal	15.5 Litres / 4.1 US gal	17.3 Litres / 4.6 US gal.	19 L / 5.0 US gal	15 Liters / 4 US gal.	22 L / 5.8 US gal