BMW HP 4 (2016) vs BMW K1600B Bagger (2017-18) vs BMW K 75 (1985-86) vs BMW K75S (1992) vs BMS Choppers Road Star (2004)

Comparison technical specifications

Add bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike
Make:	BMW	BMW	BMW	BMW	BMS Choppers
Model:	HP 4	K1600B Bagger	K 75	K75S	Road Star
Years:	2016	2017-18	1985-86	1992	2004
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse six cylinder, 4 valves per cylinder	Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder	Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder	Four stroke, 48° V-twin
Capacity:	999 cc / 61 cu in.	1649 cc / 100.6 cu in.	740 cc / 45 cub. in.	740 cc / 45 cub. in.	1671 cc / 102 cu in
Bore x Stroke:	80 x 49,7 mm	72 x 67.5 mm	67 x 70 mm	67 x 70 mm	97 x 113 mm
Compression Ratio:	13:1	12.2:1	11.0:1	11.0:1	8.3:1
Induction:	Electronic fuel injection, digital motor electronics BMS-KP	52mm Throttle valve diameter, BMS-X	Electronic injection, Bosch LE-Jetronic	Electronic injection, Bosch LE-Jetronic	Ø40 mm Mikuni CV carburetor with throttle position sensor
Starting:	Electric	Electric	Electric	Electric	Electric
Transmission:	6 Speed	Constant-mesh 6-speed gearbox, helical cut	5 Speed	5 Speed	5-Speed, wide ratio
Frame:	Bridge-type aluminium frame, load-bearing engine	Bridge-type frame, cast aluminium, load-bearing engine	Double-downtube frame with engine as a stressed member; box-section aluminum monolever swing arm.	Double-downtube frame with engine as a stressed member; box-section aluminum monolever swing arm.	Double tube cradle, single sided swingarm
Front Suspension:	USD fork with DEC, fixed fork tube diameter 46 mm damping electronically adjustable, spring preload adjustable,	Dual longitudinal control arm, Dynamic ESA semi-active suspension (road and dynamic modes)	Telescopic fork with hydraulic shock absorber.	Telescopic fork with hydraulic shock absorber.	Ø43 mm Telescopic fork with adjustable preload
Front Wheel Travel:	120 mm / 4.7 in.	115 mm / 4.9 in	185mm / 7.3 in.	185mm / 7.3 in.	140 mm / 5.5 in
Rear Suspension:	Aluminum double-sided swing arm with DDC central spring strut, compression and rebound stage electronically adjustable, spring preload hydraulicaily adjustable	Paralever (single-sided swing arm), central spring strut, rebound/continuously variable, Dynamic ESA semi-active suspension (road and dynamic modes)	Monolever swinging arm.	Monolever swinging arm.	Single shock, link-type
Rear Wheel Travel:	130 mm / 5.1 in.	135 mm / 5.3 in	114mm / 4.5 in.	114mm / 4.5 in.	109 mm / 4.3 in
Front Brakes:	2 x ∅320mm discs radial monoblock, 4-piston fixed caliper	2 x 320mm discs, 4 piston calipers	2 x ∅285mm discs, 2 piston calipers	2 x ∅285mm discs, 2 piston calipers	Dual Ø298 mm discs, 4 piston calipers
Rear Brakes:	Single ∅220mm disc, 1 piston floating caliper	Single 320mm disc, 2 piston caliper	Single ∅285mm disc	Single ∅285mm disc	Single Ø320 mm disc, 2 piston caliper
Front Tyre:	120/70 ZR17	120/70 ZR17	100/90-18 56H	100/90-18	130/90-16
Rear Tyre:	200/55 ZR17	190/55 ZR17	120/90-18 56H	130/90-17	150/80-16
Dimensions:	Length: 2056 mm / 80.9 in. Width: 826 mm / 32.5 in. (incl. mirrors) Height: 1138 mm / 44.8 in. (excl. mirrors)	Length: 2324 m / 91.5 in Width: 1000 mm / 39.4 in (incl. mirrors) Height: 1465 mm / 57.7 in (excl. mirrors)	Length: 2220 mm / 87.4 in. Width: 900 mm / 35.4 in. Height: 1300 mm / 51.2 in.	Length 2220 mm / 87.4 in Width 900 mm / 35.4 in Height 1340 mm / 51.2 in	Length: 2499 mm / 98.4 in Width: 980 mm / 38.6 in Height: 1140 mm / 44.9 in
Seat Height:	820 mm / 33.3 in.	780 mm / 30.7 in	810 mm /31.9 in. or 760 mm / 29.9 in. for low seat model	810 mm /31.9 in. or 760 mm / 29.9 in. for low seat model	709 mm / 27.9 in
Fuel Capacity:	17.5 Litres / US 4.6 gal.	26.5 Litres / 7.0 US gal	21 liters / 5.54 US gal	21 liters / 5.54 US gal	20.1 L / 5.3 US gal