BMW K75S (1985-86) vs BMW HP Sport (2009-10) vs Beta Alp 4.0 (2003-04) vs MV Agusta F4 1000S 1+1 (2005-06) vs BMW F 800GS (2017) vs BMW R 100S (1976-78)

Comparison technical specifications

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Make:	BMW	BMW	Beta	MV Agusta	BMW	BMW
Model:	K75S	HP Sport	Alp 4.0	F4 1000S 1+1	F 800GS	R 100S
Years:	1985-86	2009-10	2003-04	2005-06	2017	1976-78
Engine:	Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer air/oil-cooled, DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, transverse four 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
Capacity:	740 cc / 45 cub. in.	1170 cc / 71.5 cub. in.	349 cc / 21.3 cu in	998 cc / 60.9 cu-in	798 cc / 47.7 cub. in.	980 cc / 59.8 cu in
Bore x Stroke:	67 x 70 mm	101 x 73 mm	79 x 71.2 mm	76 x 55 mm	82 x 75.8 mm	94 x 70.6 mm
Compression Ratio:	11.0:1	12.5:1	9.5:1	12.0:1	12.0:1	9.5:1
Induction:	Electronic injection, Bosch LE-Jetronic	BMS-K 52mm throttle butterfly	Mikuni BST 33	Weber Marelli” 1.6 M ignition injection integrated system	Electronic intake injection, ∅45mm throttle bodies	2 x constant depression carburettors, Bing 94/40/105 - 94/40/106
Starting:	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	55 kW / 75 hp @ 8500 rpm	96 kW / 130 hp @ 8750 rpm	20 kW / 27 hp	122 kW / 166 hp @ 11750 rpm	62.5 kW / 85 hp @ 7500 rpm	51 kW / 70 hp @ 7000 rpm
Max Torque:	68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm	115 Nm / 11.7 kgf-m / 85 lb-ft @ 6000 rpm	28 Nm / 2.9 kgf-m 21 lb-ft	109 Nm / 11.1 kgf-m @ 10200 rpm	80 Nm / 8.2 kgf-m / 59 lb-ft @ 5750 rpm	76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm
Transmission:	5 Speed	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed
Clutch:	Single dry plate	Single-disc dry clutch ,Ø180 mm	Wet, multi disc	Wet, multiple discs, cable operated	Multiplate-plate in oil bath	Dry single plate, with diaphragm spring
Frame:	Double-downtube frame with engine as a stressed member; box-section aluminum monolever swing arm.	Main frame and front frame made of steel tube, rear frame and front fairing self-supporting CIF, self-supporting power unit	Tubular steel, double closed cradle	Aluminium, Trellis frame	Tubular frame in steal partly carrying the engine	Double sown tubs, dual cradle
Front Suspension:	Telescopic fork with hydraulic shock absorber.	BMW Telelever, 105mm wheel travels	Hydraulic fork, 48mm Ø	Inverted (USD) telescopic hydraulic fork with rebound-compression damping and spring preload adjustment, Titanium Nitride anti-friction treatment	43mm Marzocchi. Upside down forks	Telescopic fork with hydraulic shock absorber.
Rear Suspension:	Monolever swinging arm.	BMW Paralever, 120mm wheel travels	Single shock adjustable spring preload	Progressive, single shock absorber with rebound and compression (High speed / Low speed) damping and spring preload (hydraulic control)	Double strut swing arm aluminium coast in one piece	Long swinging arm with adjustable strut.
Front Brakes:	2 x ∅285mm discs, 2 piston calipers	2 x ∅320mm discs	Single 260 mm Ø disc, 2-piston caliper	2x 310mm discs 6 piston calipers	2 x ∅300mm discs, 4 piston calipers, ABS	2 x ∅260mm Discs, 2 piston calipers
Rear Brakes:	Single ∅285mm disc	Single ∅265mm disc	Single 220 mm Ø disc, 2-piston caliper	Single 210mm disc 4 piston caliper	Single ∅265mm disc, 2 piston caliper, ABS	260mm Drum
Front Tyre:	100/90-18	120/ 70 ZR17	90/90 -21	120/65 ZR17	90/90 - 21 54V	3.25-19
Rear Tyre:	130/90-17	190/55 ZR17	140/80 -18	180/55 ZR17	150/70 - 17 69V	4.00-18
Dimensions:	Length 2220 mm / 87. in. Width 900 mm / 35.4 in Height 1340 mm / 51.2 in	Length: 2,135 mm / 84.1 in Width (incl. mirrors): 750 mm / 29.5 in Height (excl. mirrors): 1,163 mm / 45.9 in	Length: 2185 mm / 86.0 in Width: 860 mm / 33.9 in Height: 1230 mm / 48.4 in	Length 2007 mm / 79.0 in Width 685 mm / 26.9 in	Length 2320 mm / 91.3 in Width 945 mm / 37.2 in (incl. mirrors) Height 1350 mm / 53.1 in (excl. mirrors)	Length 2130 mm / 83.8 in Width 746 mm / 29.37 in Height 1210 mm / 47.6 in
Fuel Capacity:	21 liters / 5.54 US gal	16 L / 4.2 US gal	10.5 Litres / 2.8 US gal	21 Litres / 5.5 US gal	16 Litres / 4.2 US gal.	24 Litres / 6.3 US gal