BMW R 1150GS (1999) vs BMW R 1100GS (1996) vs BMW R 80GS (1989) vs BMW K100 (1986-90) vs BMW R 45 (1980-) vs BMW F 650 Funduro (1998) vs BMW K100 RS (1986-87)

Comparison technical specifications

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Make:	BMW	BMW	BMW	BMW	BMW	BMW	BMW
Model:	R 1150GS	R 1100GS	R 80GS	K100	R 45	F 650 Funduro	K100 RS
Years:	1999	1996	1989	1986-90	1980-	1998	1986-87
Engine:	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	Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Capacity:	1130 cc / 69 cu in	1084 cc / 66.1 cu in	797.5 cc / 48.7 cu in.	987 cc / 60.2 cub. in	453 cc / 27.6 cu in.	652 cc / 39.8 cub. in.	987 cc / 60.2 cub. in
Bore x Stroke:	101 x 70.5 mm	99 x 70.5 mm	84.8 x 70.6 mm	67 x 70 mm	70 x 61.5 mm	100 x 83mm	67 x 70 mm
Compression Ratio:	10.3:1	10.3:1	8.2:1	10.2:1	9.2:1	8.8:1	10.2:1
Induction:	Bosch Motronic MA 2.4 Fuel injection	Bosch Motronic 2.2 with fuel cutoff when coasting	2 x Bing constant depression carburetors	Electronic injection, Bosch LE-Jetronic	2 x Bing V65 carburetors	2 x ∅33mm Mikuni carbs	Electronic injection, Bosch LE-Jetronic
Ignition:	Electronic ignition MA 2.2 Bosch Motronic	Electronic MA 2.2 controlled by Bosch Motronic	Battery ignition	Electronic injection, Bosch LE-Jetronic	Bosch contact free electronic ignition	Digital	Electronic injection, Bosch LE-Jetronic
Starting:	Electric	Electric	Electric	Electric	Kick	Electric	Electric
Max Power:	62.5 kW / 85 hp @ 6750 rpm (rear tyre 58.9 kW / 79 hp @ 6750 rpm)	59 kW / 80 hp @ 6750 rpm	37 kW / 50 hp @ 6500 rpm	65.6 kW / 90 hp @ 8000 rpm	20 kW / 27 hp @ 7250 rpm	35 kW / 48 hp @ 6500 rpm	65.6 kW / 90 hp @ 8000 rpm
Max Torque:	98 Nm / 10.0 kgf-m / 71 lb-ft @ 5250 rpm	97Nm / 9.9 kgf-m / 71 lb-ft / @ 5250 rpm	61 Nm / 6.2 kgf-m / 44 ft lb @ 5000 rpm	86 Nm / 8.8 kgf-m / 63 ft-lb	37.5 Nm / 3.82 kgf-m / 27.65 lb-ft @ 5000 rpm	57 Nm / 5.8 kgf-m / 42 lb-ft. @ 5200 rpm	86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Transmission:	6 Speed	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed	5 Speed
Final Drive:	Shaft	Shaft	Shaft	Shaft	Shaft	Chain	Shaft
Front Suspension:	Light. Telelever with central spring strut, progressive coil spring, twin-tube gas-filled shock,	BMW Telelever Single gas-filled shock absorber with progressive coil spring, Preload adjustment (five steps)	∅40mm Marzocchi telescopic hydraulic forks.	Telescopic fork with hydraulic shock absorber	Telescopic hydraulic forks	∅41mm Telescopic forks non adjustable.	Telescopic fork with hydraulic shock absorber
Rear Suspension:	Patented BMW Paralever swing arm & shaft drive, single shock with variable rebound and damping adjustments	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 swinging arm	Monolever swinging arm	Long swinging arm with adjustable strut	Rising rate monoshock preload adjustable.	Monolever swinging arm
Rear Wheel Travel:	220 mm / 8.6 in	200 mm / 7.9 in	180 mm / 7.0 in	110 mm / 4.3 in.	110 mm / 4.3"	165 mm / 6.5 in.	110 mm / 4.3 in.
Front Brakes:	2 x 304mm discs, 4 piston calipers	2 x ∅297mm Discs, 3 piston calipers	Single ∅285mm disc	2 x ∅285 mm discs, 2 piston calipers	2 x 260mm Disc, 2 piston caliper.	Single ∅300mm disc 2piston caliper	2 x ∅285 mm discs, 2 piston calipers
Rear Brakes:	Single 276mm disc, 2 piston caliper	Single ∅250mm disc, 3 piston caliper	∅200mm Drum	Single ∅285 mm disc, 1 piston caliper	Single 200mm drum	Single ∅210mm disc 1 piston caliper	Single ∅285 mm disc, 1 piston caliper
Front Tyre:	110/80 R19	110/80 R19	90/90 x 21S	100/90-18	1.85 - B18	100/90 -19	100/90-V18
Rear Tyre:	150/70 R17	150/70 R17	13/80 x 17S	130/90-17	2.50 - B18	130/80 -17	130/90-V17
Fuel Capacity:	22 Litres / 5.8 US gal	24 Liters / US 6.3 gal	24 L / 6.3 US gal	22 Liters / 5.8 US gal	22 Litres / 5.8 US gal	17 Litres / 4.5 US gal	22 Liters / 5.8 US gal