BMW R 100 (1982-84) vs BMW R 63 (1928-29) vs BMW R 850R (1994-96) vs BMW R 57 (1928-30) vs BMW K 1200RS (1999-00) vs BMW R 1100GS (1994) vs BMW R 1100GS 75th Anniversary (1998) vs BMW R 80RT (1982-83)

Comparison technical specifications

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Make:	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW
Model:	R 100	R 63	R 850R	R 57	K 1200RS	R 1100GS	R 1100GS 75th Anniversary	R 80RT
Years:	1982-84	1928-29	1994-96	1928-30	1999-00	1994	1998	1982-83
Engine:	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Four stroke, two-cylinder, horizontally-opposed Boxer engine, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Four stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity:	980 cc / 59.8 cu in.	745 cc / 45.5 cu in.	848 cc / 51.7 cu in.	494 cc / 30.1 cu in.	1171 cc / 71.4 cu in	1084 cc / 66.1 cu in	1084 cc / 66.1 cu in	797.5 cc / 48.7 cu in.
Bore x Stroke:	94 x 70.6 mm	83 x 68 mm	87.5 x 70.5 mm	68 x 68 mm	70.5 x 75 mm	99 x 70.5 mm	99 x 70.5 mm	84.8 x 70.6 mm
Compression Ratio:	8.2:1	6.2:1	10.3:1	5.8:1	11.5:1	10.3:1	10.3:1	8.2:1
Induction:	2 x Constant depression carburetors, Bing V 94/40/111 - 94/40/112	1 x Spezial 2 valve ∅24 mm carburetor	Electronic injection, Bosch Motronic	1 x Spezial two valve ∅24 mm carburetor	Electronic intake pipe injection	Bosch Motronic 2.2 with fuel cutoff when coasting	Bosch Motronic 2.2 with fuel cutoff when coasting	2 x Bing constant depression carburetors
Starting:	Electric	Kick	Electric	Kick	Electric	Electric	Electric	Electric
Max Power:	48.8 kW / 66.6 hp @ 7000 rpm	17.9 kW / 24 hp @ 3400 rpm	53.2 kW / 73 hp @ 6750 rpm	13.4 kW / 18 hp @ 4000 rpm	97 kW / 130 hp @ 8750 rpm	59 kW / 80 hp @ 6750 rpm	59 kW / 80 hp @ 6750 rpm	36.4 kW / 50 hp @ 6500 rpm
Clutch:	Single dry plate	Single plate, dry	Single disc dry clutch, hydraulically operated	Single plate, dry	Single-disc dry clutch, hydraulically operated	∅180mm Dry single plate with diaphram spring	∅180mm Dry single plate with diaphram spring	Dry single plate, with diaphragm spring
Front Suspension:	Telescopic fork with hydraulic shock absorber.	Plate spring, 6 laminae	Motorrad Telelever, stanchion ∅35 mm, central strut, rebound damping adjustable.	Plate spring, 6 laminae	Telelever, stanchion diameter ∅35 mm, central strut	BMW Telelever Single gas-filled shock absorber with progressive coil spring, Preload adjustment (five steps)	BMW Telelever Single gas-filled shock absorber with progressive coil spring, Preload adjustment (five steps)	Telescopic hydraulic forks.
Rear Suspension:	Long swinging arm with adjustable strut.	Rigid, spring loaded saddle	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.	Rigid	Die cast aluminium single sided swinging arm with BMW Motorrad Paralever, central strut, spring preload and rebound damping adjustable	BMW Paralever (single-sided swinging arm) Single gas-filled shock absorber with coil spring, Preload adjustment (continuously adjustable by handwheel), Rebound damping (continuously adjustable by screw)	BMW Paralever (single-sided swinging arm) Single gas-filled shock absorber with coil spring, Preload adjustment (continuously adjustable by handwheel), Rebound damping (continuously adjustable by screw)	Long swinging arm with adjustable strut.
Front Brakes:	Single 260mm disc	∅200mm Drum	2 x ∅320mm discs, 4 piston calipers	∅200mm Drum	2 x ∅320mm discs, 4 piston calipers	2 x ∅297mm Discs, 3 piston calipers	2 x ∅297mm Discs, 3 piston calipers	2 x ∅260mm discs, 1 piston caliper
Rear Brakes:	200 Drum	External shoe brake at the gearing on Cardan shaft	Single ∅276mm disc, 2 piston caliper	Block brake	Single ∅285mm disc, 2 piston caliper	Single ∅250mm disc, 3 piston caliper	Single ∅250mm disc, 3 piston caliper	Single ∅200mm drum
Front Tyre:	3.25 - H19	26 x 3.5" or 19 x 3.0" or 27 x 2.75" or 21 x 2.5"	120/70 - ZR17	26 x 3.5" low pressure or 26 x 3.5" high pressure	120/70 ZR17	110/80 R19	110/80 R19	3.25 - H19
Rear Tyre:	4.00 - H18	26 x 3.5" or 19 x 3.0" or 27 x 2.75" or 21 x 2.5"	160/60 - ZR18	26 x 3.5" low pressure or 26 x 3.5" high pressure	170/60 ZR18	150/70 R17	150/70 R17	4.00 - H18
Wet Weight:	218 Kg / 480 lbs	152 kg / 334 lb	238 Kg / 524 lbS	150 kg / 330 lb	280 kg / 617 lbs	240 kg / 549 lbs	240 kg / 549 lbs	235 kg / 417 lbs
Fuel Capacity:	24 L / 6.3 US gal	12.5 liters / 3.3 US gal	20.5 Liters / 5.4 US gal	12.5 liters / 3.3 US gal	22 L / 5.8 US gal	24 Liters / US 6.3 gal	24 Liters / US 6.3 gal	24 Litres / 6.3 gal