BMW K1 (1991-92) vs BMW C 650 Sport (2016-17) vs BMW K 1300 S (2009) vs Beta RR 525 Enduro (2011-12) vs BMW F 650GS (2009) vs BMW G 650GS (2009) vs BMW R 6 (1937)

Comparison technical specifications

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Make:	BMW	BMW	BMW	Beta	BMW	BMW	BMW
Model:	K1	C 650 Sport	K 1300 S	RR 525 Enduro	F 650GS	G 650GS	R 6
Years:	1991-92	2016-17	2009	2011-12	2009	2009	1937
Engine:	Four-stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder	Four stroke, twin-cylinder, DOHC, 4 Valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, 4 valve	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder flat twin, side valve
Capacity:	987 cc / 60.2 cu in	647 cc / 38.5 cub in	1298 cc / 79.2 cu in.	510 cc / 31.1 cu in	798 cc / 47.7 cub. in.	652 cc / 39.8 cub. in.	600 cc / 36.6 cu in
Bore x Stroke:	67 x 70 mm	79 x 66 mm	80 x 64.3 mm / 3.15 x 2.53 in	95 x 72 mm	82 x 75.8 mm	100 x 83 mm	70 x 78 mm
Compression Ratio:	11.0:1	11.6:1	13.0:1	11.0:1	12.0:1	11.5:1	6.0:1
Induction:	Electronic injection, Bosch Motronic	Fuel injection BMS-E, ∅38mm Throttle valve	Electronic fuel injection, Digital Motor Electronics with integrated knock control (BMS-K)	Keihin FCR-MX 39	Electronic intake injection, ∅45mm throttle bodies	Fuel induction	2 x Carburetors, type Amal M 75/426/S
Starting:	Electric	Electric	Electric	Electric and kick	Electric	Electric	Kick
Transmission:	5 Speed	CVT (continuously variable transmission)	6 Speed	6 Speed	6 Speed	5 Speed	4 Speed
Front Suspension:	Telescopic fork with hydraulic shock absorber	System Upside down fork Ø40 mm / 1.6 in	BMW Motorrad Duolever, central spring strut, Paralever; central spring strut with lever system	Hydraulic USD fork, Ø45 mm	∅41mm telescopic fork	∅41mm telescopic fork with stabilizer bridge	Telescopic fork
Rear Suspension:	Monolayer swinging arm	System Cast single swingarm.	Cast aluminium single swing arm with BMW Motorrad, spring pre-tension with infinite hydraulic adjustment	Monoshock with progressive compound lever, 300mm wheel travel	Double strut swing arm aluminium coast in one piece	Spring setting and rebound stage damping continuously adjustable.	Rigid, spring loaded saddle
Rear Brakes:	Single 285mm disc, 1 piston caliper	Single 270mm disc 2 piston caliper, ABS	Single 265mm disc, 2 piston caliper	Single Ø240 mm disc, 1 piston floating caliper	Single ∅265mm disc, 1 piston caliper	Single ∅240mm disc, 1 piston caliper	∅200mm Drum
Front Tyre:	120/70 ZR17	120/70 R15	120/70 ZR17	90/90 - 21	110/80-R19	100/90-19	3.00 x 19"
Rear Tyre:	160/60 ZR18	160/60 R15	190/55 ZR17	140/80 -18	140/80-R17	130/80-17	3.50 x 19"
Fuel Capacity:	22 L / 5.8 US gal	16 Litres / 4.2 US gal	19 Litres / 5.0 US gal	8.5 L / 2.2 US gal	16 L / 4.2 US gal	17.3 Litres / 4.6 US gal.	15 L / 4.0 US gal