BMW K1 (1991-92) vs Suzuki 1981 () vs BMW R 80R (1991-94) vs BMW R 850R (1997-99) vs BMW R 100GS (1991-92) vs BMW R 100GS (1989-90) vs BMW K 75RT (1989-95) vs BMW R 1200C (1996-97) vs BMW R 1100RS (1997-98) vs BMW R 100R (1991-92)

Comparison technical specifications

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Make:	BMW	Suzuki	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW
Model:	K1	1981	R 80R	R 850R	R 100GS	R 100GS	K 75RT	R 1200C	R 1100RS	R 100R
Years:	1991-92		1991-94	1997-99	1991-92	1989-90	1989-95	1996-97	1997-98	1991-92
Engine:	Four-stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 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, 2 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	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, 2 valves per cylinder.
Capacity:	987 cc / 60.2 cu in	1074 cc / 65.5 cu in	797.5 cc / 48.7 cu-in	848 cc / 51.7 cu in.	980 cc / 59.8 cu in.	980 cc / 59.8 cu in.	740 cc / 45 cub. in.	1170 cc / 71.4 cu in.	1085 cc / 66.2 cu in	980 cc / 59.8 cub in.
Bore x Stroke:	67 x 70 mm	72 x 66 mm	84.8 x 70.6 mm	87.5 x 70.5 mm	94 x 70.6 mm	94 x 70.6 mm	67 x 70 mm	101 x 73mm	99 x 70.5 mm	94 x 70.6 mm
Compression Ratio:	11.0:1	9.5:1	9.2:1	10.3:1	8.5:1	8.5:1	11.0:1	10.0:1	10.7:1	8.5:1
Induction:	Electronic injection, Bosch Motronic	4 x Mikuni BS34SS	2 x Bing constant depression carburetors	Electronic injection, Bosch Motronic	2 x Bing carburetors	2 x Bing carburetors	Electronic injection, Bosch LE-Jetronic	Bosch Motronic MA 2.4 Fuel injection	Fuel injection	2 Constant depression carburettors, Bing 94/40/123 - 94/40/124
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	72.9 kW / 100 hp @ 8000 rpm (rear tyre: 70.1 kW / 94.0 hp @ 8400 rpm)	83.9 kW / 111 hp / @ 9500 rpm	37 kW / 50 hp @ 6500 rpm	53.2 kW / 73 hp @ 6750 rpm	44 kW / 60 hp @ 6500 rpm	44 kW / 60 hp @ 6500 rpm	55 kW / 75 hp @ 8500 rpm	44.5 kW / 61 hp @ 5000 rpm	67.1 kW / 90 hp @ 7250 rpm	44 KW / 60 hp @ 6500 rpm
Max Torque:	100 Nm / 10.2 kgf-m / 74 ft lb @ 6750 rpm	97.1 Nm / 9.9 kgf-m / 70.9 lb-ft @ 6500 rpm	61 Nm / 6.2 kgf-m / 44 ft lb @ 3750 rpm	77 Nm / 7.85 kgf-m / 56 ft/lb @ 5600 rpm	76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm	76 Nm / 7.75 kgf-m / 56 ft-lb @ 3750 rpm	68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm	98 Nm / 10.0 kgf-m / 72.27 lb-ft @ 3000 rpm	95 Nm / 9.7 kgf-m / 69 lb-ft.@ 5500 rpm	76 Nm / 7.75 kgf-m / 56 ft lb @ 3750 rpm
Transmission:	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed
Front Suspension:	Telescopic fork with hydraulic shock absorber	Telescopic, oil damped, spring 4-way adjustable with anti-dive	Telescopic hydraulic forks.	Motorrad Telelever, stanchion ∅35 mm, central strut, rebound damping adjustable.	Telescopic fork with hydraulic shock absorber.	Telescopic fork with hydraulic shock absorber.	Telescopic fork with hydraulic shock absorber.	Motorrad Telelever, stanchion ∅35mm, central strut	Telelever with central spring strut & linear-rate coil spring. Twin-tube gas-filled shock	Telescopic fork with hydraulic shock absorber, Showa, ∅41 mm
Rear Suspension:	Monolayer swinging arm	Dual shock oil damped, damper 4-way, spring 5-way adjustable	BMW Paralever swinging arm	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.	Paralever adjustable preload, rebound damping compression	Paralever adjustable preload, rebound damping compression	Monolever swinging arm.	Die cast aluminium single sided swinging arm with BMW Motorrad Monolever, WAD strut (travel related damping), spring preload adjustable to continuously variable levels by means of hydraulic handwheel.	Paralever swingarm & shaft drive, single-tube gas-filled shock, variable rebound setting	Paralever swinging arm, single shock, Showa, adjustable for rebound damping
Front Brakes:	2 x 305mm discs, 4 piston calipers	2 x 275 mm Discs, 2 piston calipers	Single 285mm disc, 1 piston caliper	2 x ∅320mm discs, 4 piston calipers	Single ∅285mm disc, 2 piston caliper	Single ∅285mm disc, 2 piston caliper	2 x ∅285mm discs, 2 piston calipers	2 x ∅305mm discs, 4 piston calipers	2 x ∅305mm discs, 4 piston calipers	2 x ∅285mm disc 4 piston calipers
Rear Brakes:	Single 285mm disc, 1 piston caliper	Single 275 mm disc, 1 piston caliper	200mm Drum	Single ∅276mm disc, 2 piston caliper	∅200 Drum	∅200 Drum	Single ∅285mm disc, 1 piston caliper	Single ∅285mm disc, 2 piston caliper	Single ∅276mm disc, 2 piston caliper	Single ∅200mm disc
Front Tyre:	120/70 ZR17	3.50 - V19	110/80 V18	120/70 - ZR17	90/90-21	90/90-21	100/90-18	100/90-18	120/70-17	110 / 80 V18, Metzeler ME33 Lazer
Rear Tyre:	160/60 ZR18	4.50 - V17	140/80 V17	160/60 - ZR18	130/80-17	130/80-17	130/90-17	170/80-15	160/60-18	140 / 80 V 17, Metzeler ME55A Metronic
Fuel Capacity:	22 L / 5.8 US gal	22 L / 5.8 US gal / 4.8 Imp gal	24 liters / 6.27 gal	20.5 Liters / 5.4 US gal	24 L / 6.3 US gal	24 L / 6.3 US gal	21 liters / 4.6 US gal	17.5 Litres / 4.5 US gal	22 Litres / US 5.8 gal	22 Litres / 5.7 US gal