BMW F 800ST (2012) vs BMW C 650 Sport (2018-19) vs Kawasaki ER-6f (2008) vs BMW R 850 RT (1996-99) vs BMW K 1600 GT (2014) vs BMW K1600 Grand America (2018-19) vs BMW G 650 X Country (2008) vs BMW F 650GS (2013) vs BMW R 100RT Mono (1990-94) vs BMW K1 (1990) vs BMW S 1000RR (2012) vs Kawasaki Xanthus 400 (1992)

Comparison technical specifications

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Make:	BMW	BMW	Kawasaki	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW	Kawasaki
Model:	F 800ST	C 650 Sport	ER-6f	R 850 RT	K 1600 GT	K1600 Grand America	G 650 X Country	F 650GS	R 100RT Mono	K1	S 1000RR	Xanthus 400
Years:	2012	2018-19	2008	1996-99	2014	2018-19	2008	2013	1990-94	1990	2012	1992
Engine:	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, twin-cylinder, DOHC, 4 Valves per cylinder	Four stroke, parallel twin, DOHC, 4 valves per cylinder.	Four stroke, two-cylinder, horizontally-opposed Boxer engine, 4 valves per cylinder	Four stroke, transverse six cylinder, 4 valves per cylinder	Four stroke, transverse six cylinder, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder	Four-stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke parallel twin cylinder. DOHC, 2 valves per cylinder
Capacity:	798 cc / 47.7 cub. in.	647 cc / 38.5 cub in.	649 cc / 39.6 cu-in	848 cc / 51.7 cu in.	1649 cc / 100.6 cu in.	1649 cc / 100.6 cu in.	652 cc / 39.8 cub in.	798 cc / 47.7 cub. in.	980 cc 59.8 cu in	987 cc / 60.2 cu in	999 cc / 60.9 cu-in	399 cc / 24.4 cu-in
Bore x Stroke:	82 x 75.8 mm	79 x 66 mm	83 X 60mm	87.5 x 70.5 mm	72 x 67.5 mm	72 x 67.5 mm	100 x 83 mm	82 x 75.8 mm	94 x 70.6 mm	67 x 70 mm	80 x 49.7 mm	55 х 42 mm
Compression Ratio:	12.0:1	11.6:1	11.3;1	10.3:1	12.2:1	12.2:1	11.5:1	12.0:1	8.45:1	11.0:1	13.0:1	9.7:1
Induction:	Electronic intake injection	Fuel injection BMS-E, ∅38mm Throttle valve	2x 38mm Electronic Fuel Injection Keihin	Electronic injection, Bosch Motronic	52mm Throttle valve diameter, BMS-X	52mm Throttle valve diameter, BMS-X	Fuel induction	Electronic intake injection, ∅45mm throttle bodies	2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106	Electronic injection, Bosch Motronic	Electronic fuel injection, digital motor electronics BMS-KP	4X Keihin CVK30 carburetors
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	62.5 kW / 85 hp @ 8000 rpm	44 kW / 60 hp @ 7500 rpm	53 kW / 72.1 hp @ 8500 rpm	53.2 kW / 73 hp @ 6750 rpm	118 kW / 160.5 hp @ 7750 rpm	118 kW / 160.5 hp @ 7750 rpm	39 kW / 53 hp @ 7000 rpm	62.5 kW / 85 hp @ 7500 rpm	43.7 kW / 60 hp @ 7000 rpm	72.9 kW / 100 hp @ 8000 rpm (rear tyre: 70.1 k/w / 94.0 hp @ 8400 rpm)	143.9 kW / 193 hp @ 13000 rpm	49 hp / 36.8 kW @ 11000 rpm
Max Torque:	80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5800 rpm	66 Nm / 6.7 kgf-m / 48.7 lb-ft. @ 6000 rpm	66 Nm / 6.7 m-kg @ 7000 rpm	77 Nm / 7.85 kgf-m / 56 ft/lb @ 5600 rpm	175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm	175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm	60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5250 rpm	80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5700 rpm	74 Nm / 7.5 kgf-m / 54.6 ft-lb @ 6000 rpm	100 Nm / 10.2 kgf-m / 74 ft lb @ 6750 rpm	112 Nm / 11.4 kgf-m / 82.6 lb-ft @ 9750 rpm	3.1 kgf m / 22.4 lb-ft @ 10500 rpm
Transmission:	6 Speed	CVT (continuously variable transmission)	6 Speed	5 Speed	6 Speed	Constant-mesh 6-speed gearbox, helical cut	5 Speed	6 Speed	5 Speed	5 Speed	6 Speed	6 Speed
Front Suspension:	43mm Telescopic forks	System Upside down fork Ø40 mm / 1.6 in.	41 mm telescopic fork,	Motorrad Telelever, stanchion ∅35 mm, central strut, rebound damping adjustable.	Dual longitudinal control arm	Dual longitudinal control arm, Dynamic ESA semi-active suspension (road and dynamic modes)	∅45mm Upside-down telescopic fork	∅43mm Marzocchi upside down forks	Telescopic fork with hydraulic shock absorber.	Telescopic fork with hydraulic shock absorber	43mm Telescopic fork	Telescopic forks
Rear Suspension:	Die-cast aluminium single sided swinging arm with rear wheal axle and eccentric adjustment, central spring stud , spring pre-loaded hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable.	System Cast single swingarm.	Offset laydown single-shock with adjustable preload,	Die-cast aluminium single sided swinging arm with BMW Motorrad Paralever, central strut, spring preload adjustable to continuously variable levels by means of a hydraulic handwheel, rebound adjustable damping.	Paralever (single-sided swing arm), central spring strut, rebound/continuously variable	Paralever (single-sided swing arm), central spring strut, rebound/continuously variable, Dynamic ESA semi-active suspension (road and dynamic modes)	Aluminum 2-unit cast swing arm, air damping	Double strut swing arm aluminium coast in one piece	Monolever swinging arm	Monolayer swinging arm	Cast aluminium double-strut swingarm with eccentric adjustment for rear axle, central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable.	Dual shocks
Front Brakes:	2 x ∅320 mm discs, 4 piston calipers	2x 270mm discs 2 piston caliper, ABS	2x 300mm discs 2 piston calipers	2 x ∅320mm discs, 4 piston calipers	2 x ∅320mm discs, 4 piston calipers	2 x 320mm discs, 4 piston calipers	Single ∅300mm disc, 2 piston calipers	2 x ∅300mm discs, 4 piston calipers	2 x ∅260mm discs, 2 piston calipers	2 x 305mm discs, 4 piston calipers	2x 320mm discs 4 piston calipers	2x discs
Rear Brakes:	Single ∅265 mm disc, 2 piston caliper	Single 270mm disc 2 piston caliper, ABS	Single 220mm disc 1 piston caliper	Single ∅276mm disc, 2 piston caliper	Single ∅320mm disc, 2 piston caliper	Single 320mm disc, 2 piston caliper	Single ∅240mm disc, 1 piston calipers	Single ∅265mm disc, 2 piston caliper	Simplex ∅200 mm drum	Single 285mm disc, 1 piston caliper	Single 220mm disc 1 piston calipers	Single disc
Front Tyre:	120/70 ZR17	120/70 R15	120/70ZR17	120/70 - ZR17	120/70 ZR17	120/70 ZR17	90/90-S19	90/90 - 21 54V	3.25 H-19	120/70 ZR17	120/70 ZR17	110/80-17
Rear Tyre:	180/55 ZR17	160/60 R15	160/60ZR17	160/60 - ZR17	190/55 ZR17	190/55 ZR17	120/70-S17	150/70 - 17 69V	4.00 H-18	160/60 ZR18	180/55 ZR17	140/70-18
Fuel Capacity:	16 Litres / 4.2 US gal.	16 Litres / 4.2 US gal.	15.5 Litres / 4.1 US gal	20.5 Liters / 5.4 US gal	26.5 Litres / 7.0 US gal	26.5 Litres / 7.0 US gal	9.5 Litres / 2.5 US gal	16 L / 4.2 US gal	24 Litres / 6.3 US gal	22 L / 5.8 US gal	17.5 Litres / 4.6 US gal	14 Litres / 3.6 US gal