BMW R 1100GS (1995) vs BMW R 66 (1938-41) vs BMW R 12 (1935-42) vs BMW R 1100RS (1999-00) vs BMW HP Sport (2008) vs BMW F 650 Funduro (1998) vs BMW G 650GS Sertao (2013) vs BMW R 1200GS (2007) vs BMW R 1250GS (2019) vs BMW R 1200R Classic (2011) vs BMW R 80 Mono (1984-85) vs BMW R 1100RS (1995-96) vs BMW K 1200S (2007-08)

Comparison technical specifications

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Make:	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW
Model:	R 1100GS	R 66	R 12	R 1100RS	HP Sport	F 650 Funduro	G 650GS Sertao	R 1200GS	R 1250GS	R 1200R Classic	R 80 Mono	R 1100RS	K 1200S
Years:	1995	1938-41	1935-42	1999-00	2008	1998	2013	2007	2019	2011	1984-85	1995-96	2007-08
Engine:	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, single cylinder vertical, SV	Four stroke, two cylinder flat twin, SV	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer air/oil-cooled, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm	Four stroke, two cylinder horizontally opposed Boxer, 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, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity:	1084 cc / 66.1 cu in	595 cc / 36.3 cu in	745	1085 cc / 66.2 cu in	1170 cc / 71.5 cub. in.	652 cc / 39.8 cub. in.	652 cc / 39.8 cub. in.	1170 cc / 71.4 in.	1254 cc / 76.5 cu-in	1170 cc / 71.4 cu in	797.5 cc / 48.7 cu in.	1085 cc / 66.2 cu in	1157 cc / 70.6 cu in
Bore x Stroke:	99 x 70.5 mm	69.8 x 78 mm	78 x 78 mm	99 x 70.5 mm	101 x 73 mm	100 x 83mm	100 x 83mm	101 x 73 mm	102.5 x 76 mm	101 x 73 mm	84.8 x 70.6 mm	99 x 70.5 mm	79 X 59 mm
Compression Ratio:	10.3:1	6.8:1	5.2:1	10.7:1	12.5:1	8.8:1	11.5:1	11.0:1	12.5:1	11.0:1	9.2:1	10.7:1	13.0:1
Induction:	Bosch Motronic 2.2 with fuel cutoff when coasting	1 x Amal 6/420 S carburetor	2 x Amal 6/406/407 (Single Carburetor option: 1 x SUM type CK ∅25 mm)	Fuel injection	BMS-K 52mm throttle butterfly	2 x ∅33mm Mikuni carbs	Fuel induction	Electronic intake pipe injection/digital engine management: BMS-K with overrun fuel cut off, dual ignition	Electronic intake pipe injection, 52mm Ø throttle valve	Electronic intake manifold injection BMS-K	2 x Bing constant depression carburetors	Fuel injection	Injection
Starting:	Electric	Kick	Kick	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	59 kW / 80 hp @ 6750 rpm	22.4 kW / 30 hp @ 5300 rpm	14.9 kW / 20hp @ 4000 rpm (Single Carburetor model: 13.4 kW / 18hp @ 3400 rpm)	67.1 kW / 90 hp @ 7250 rpm	96 kW / 130 hp @ 8750 rpm	35 kW / 48 hp @ 6500 rpm	37 kW / 48 hp @ 6500 rpm	72 kW / 98 hp @ 7000 rpm	136 hp / 100 kW @ 7750 rpm	81 kW / 110 hp @ 7750 rpm	36.4 kW / 50 hp @ 6500 rpm	67.1 kW / 90 hp @ 7250 rpm	124.5 kW / 167 hp @ 10250 rpm
Transmission:	5 Speed	4 Speed	4 Speed	5 Speed	6 Speed	5 Speed	5 Speed	6 Speed	Constant mesh 6-speed gearbox with helical gearing system	6 Speed	5 Speed	5 Speed	6 Speed
Final Drive:	Shaft	Shaft	Shaft	Shaft	Shaft	Chain	Chain	Shaft	Shaft	Shaft	Shaft	Shaft	Shaft
Frame:	Three piece (front and rear sections with load-bearing engine)	Twin loop steel tubular frame	Pressed steel twin loop frame	Steel, backbone frame	Main frame and front frame made of steel tube, rear frame and front fairing self-supporting CIF, self-supporting power unit	Single loop tubular with bolt on trussing	Bridge-type steel section frame with bolted-on rear section	Tubular space frame, engine load-bearing	Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine	Tubular steel spaceframe, load-bearing engine	Double loop tubular frame with bolt on rear section	Steel, backbone frame	Bridging frame, die-cast aluminium, load bearing engine
Front Suspension:	BMW Telelever Single gas-filled shock absorber with progressive coil spring, Preload adjustment (five steps)	Telescopic fork	Telescopic fork	Telelever with central spring strut & linear-rate coil spring. Twin-tube gas-filled shock	BMW Telelever, 105mm wheel travels	∅41mm Telescopic forks non adjustable.	∅41mm telescopic fork with stabilizer bridge	Telelever, stanchion ∅41mm, central spring strut, spring preload 9 times mechanically adjustable.	BMW Motorrad 37mm Telelever, central spring strut	BMW Motorrad Telelever; stanchion diameter 41 mm, central spring strut	Telescopic hydraulic forks.	Telelever with central spring strut & linear-rate coil spring. Twin-tube gas-filled shock	BMW Motorrad Duolever; central spring strut
Rear Suspension:	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)	Telescopic suspension	Rigid, spring loaded saddle	Paralever swingarm & shaft drive, single-tube gas-filled shock, variable rebound setting	BMW Paralever, 120mm wheel travels	Rising rate monoshock preload adjustable.	Spring setting and rebound stage damping continuously adjustable,	Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever, WAD strut (travel-related damping), spring pre-load hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable.	Cast aluminium single-sided swing arm with BMW Motorrad Paralever, WAD spring strut, continuously adjustable spring preload by means of hand wheel, rebound-stage damping adjustable by hand wheel (Option: Dynamic ESA)	Cast aluminium single-sided swing arm with BMW Motorrad Paralever; central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable	Monolever swinging arm.	Paralever swingarm & shaft drive, single-tube gas-filled shock, variable rebound setting	BMW Paralever with progressive damping single shock absorber, remotely adjustable for preload and rebound
Rear Brakes:	Single ∅250mm disc, 3 piston caliper	∅200mm Drum	∅200mm Drum	Single ∅276mm disc, 2 piston caliper	Single ∅265mm disc	Single ∅210mm disc 1 piston caliper	Single ∅240mm disc, 1 piston caliper	Single ∅265 mm disc, 2 piston caliper	Single 276mm disc, 2-piston floating caliper	Single 265mm disc, ABS	∅200mm Drum	Single ∅276mm disc, 2 piston caliper	Single ∅265mm disc, 2 piston caliper
Front Tyre:	110/80 R19	3.50 -19	3.00 x 19"	120/70-17	120/ 70 ZR17	100/90 -19	90/90 S21	110/80 ZR19	120/70 R19	120/70-ZR 17	90/90-17	120/70-17	120/70-17
Rear Tyre:	150/70 R17	3.50 -19	3.50 x 19"	160/60-18	190/55 ZR17	130/80 -17	130/80-17	150/70 ZR17	170/60 R17	180/55-ZR 17	120/90-18	160/60-18	190/50-17
Fuel Capacity:	24 Liters / US 6.3 gal	14 liters / 3.6 US gal	14 L / 3.7 US gal	22 Litres / US 5.8 gal	16 L / 4.2 US gal	17 Litres / 4.5 US gal	17.3 Litres / 4.6 US gal.	20 Litres / 5.2 US gal	20 Litres / 5.3 US gal	18 Litres / 4.7 US gal	22 Litres / 5.8 US gal	22 Litres / US 5.8 gal	19 L / 5.0 US gal