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) vs BMW K 75 (1985-86) vs BMS Choppers Yamaha Bolt (2014) vs BMW R 50/5 (1969-73) vs BMW R 60/2 (1966)

Comparison technical specifications

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Make:	BMW	BMW	Beta	MV Agusta	BMW	BMW	BMW	BMS Choppers	BMW	BMW
Model:	K75S	HP Sport	Alp 4.0	F4 1000S 1+1	F 800GS	R 100S	K 75	Yamaha Bolt	R 50/5	R 60/2
Years:	1985-86	2009-10	2003-04	2005-06	2017	1976-78	1985-86	2014	1969-73	1966
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	Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder	4-Stroke, V-twin, SOHC, 4-valve	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 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	740 cc / 45 cub. in.	950 cc / 58 cu in	494 cc / 30.1 cu in.	594 cc / 36.2 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	67 x 70 mm	85 x 83 mm	67 x 70.6	72 x 73 mm
Compression Ratio:	11.0:1	12.5:1	9.5:1	12.0:1	12.0:1	9.5:1	11.0:1	9:1	8.6:1	7.5:1
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	Electronic injection, Bosch LE-Jetronic	Fuel injection	2 x Bing carburetors	2 x Type Bing 1/24/151 - 1/24/152
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric & kick	Kick
Transmission:	5 Speed	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed	5 Speed	5-Speed	4 Speed	4 Speed
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.	Telescopic fork with hydraulic shock absorber.	Telescopic fork	Telescopic fork with hydraulic shock absorber	Telescopic hydraulic forks
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.	Monolever swinging arm.	Dual shocks	Long swing arm with suspension units and oil pressure shock absorbers	Long swinging arm with 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	2 x ∅285mm discs, 2 piston calipers	Wave disc Ø298 mm	∅200mm Drum, duplex full hub	∅200mm Drum
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	Single ∅285mm disc	Wave disc Ø298 mm	∅200mm Drum, simplex full hub	∅200mm drum
Front Tyre:	100/90-18	120/ 70 ZR17	90/90 -21	120/65 ZR17	90/90 - 21 54V	3.25-19	100/90-18 56H	100/90-19M/C 57H	3.25 -S19"	3.50 - S18
Rear Tyre:	130/90-17	190/55 ZR17	140/80 -18	180/55 ZR17	150/70 - 17 69V	4.00-18	120/90-18 56H	150/80-16MC 71H	4.00 -S18"	3.50 - S18
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	21 liters / 5.54 US gal	12 L / 3.2 US gal	24 L / 6.3 US gal	17 L / 4.49 US gal.