BMW R 100 (1982-84) vs BMW R 65 Monolever (1984) vs BMW K 1600 GT (2019-20) vs BMW R 69S (1960-62) vs BMW R 51 (1938-40) vs BMW S 1000RR (2018) vs BMW G 450X (2011) vs BMW R 80ST (1982)

Comparison technical specifications

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Make:	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW
Model:	R 100	R 65 Monolever	K 1600 GT	R 69S	R 51	S 1000RR	G 450X	R 80ST
Years:	1982-84	1984	2019-20	1960-62	1938-40	2018	2011	1982
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, transverse six cylinder, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity:	980 cc / 59.8 cu in.	649.6 cc / 39.6 cu in.	1649 cc / 100.6 cu in.	594 cc / 36.2 cu in	494 cc / 30.1 cu in.	999 cc / 60.9 cu-in	449 cc / 27.4 cub. in.	797.5 cc / 48.7 cu in.
Bore x Stroke:	94 x 70.6 mm	82 x 61.5 mm	72 x 67.5 mm	72 x 73 mm	68 x 68 mm	80 x 49.7 mm	98 x 59 mm	84.8 x 70.6 mm
Compression Ratio:	8.2:1	8.4:1	12.2:1	9.5:1	6.7:1	13.0:1	12.0 :1	9.2:1
Starting:	Electric	Electric	Electric	Electric	Kick	Electric	Electric	Electric
Max Power:	48.8 kW / 66.6 hp @ 7000 rpm	33 kW / 45 hp @ 7250 rpm (rear tyre 31.3 kW / 42 hp @ 7200 rpm)	118 kW / 160.5 hp @ 7750 rpm	31.3 kW / 42 hp @ 7000 rpm	18 kW / 24 hp @ 5800 rpm	146 kW / 199 hp @ 13500 rpm	30.7 kW / 41 hp @ 7000 rpm	36.4 kW / 50 hp @ 6500 rpm
Transmission:	5 Speed	5 Speed	Constant-mesh 6-speed gearbox, helical cut	4 Speed	4 Speed	Constant-mesh 6-speed gearbox, straight-toothed	5 Speed	5 Speed
Final Drive:	Shaft	Shaft	Shaft	Shaft	Shaft	Chain 17/45	Chain	Shaft
Front Suspension:	Telescopic fork with hydraulic shock absorber.	Telescopic hydraulic forks	Dual longitudinal control arm, Dynamic ESA semi-active suspension (road and dynamic modes)	Telescopic front fork with hydraulic damping	Telescopic fork	Upside-down telescopic fork Ø 46 mm, compression and rebound stage adjustable	45mm Upside-down forks	Telescopic hydraulic fork
Rear Suspension:	Long swinging arm with adjustable strut.	Monolever swinging arm	Paralever (single-sided swing arm), central spring strut, rebound/continuously variable, Dynamic ESA semi-active suspension (road and dynamic modes)	Swingarm, plunger type shock absorbers	Long swing arm with suspension units and oil pressure shock absorbers	Aluminium double-strut swingarm, compression and rebound damping adjustable	Direct Mounted Öhlins Shock	BMW Monolever swinging arm
Front Brakes:	Single 260mm disc	2x ∅260mm discs, 2 piston calipers	2 x 320mm discs, 4 piston calipers	∅200mm Drum	∅200mm Drum, duplex full hub	2 x 320mm Discs, 4 piston calipers	Single 260mm disc, 2 piston floating caliper	Single ∅285mm disc, 1 piston caliper
Rear Brakes:	200 Drum	Single ∅200mm drum	Single 320mm disc, 2 piston caliper	∅200mm Drum	∅200mm Drum, simplex full hub	Single 220mm disc, 1 piston caliper	Single 220mm disc, 1 piston floating caliper	∅200mm Drum
Front Tyre:	3.25 - H19	90/90 - 18	120/70 ZR17	3.50 - S18"	3.50 -19"	120/70 ZR17	90/90-21	100/90-H19
Rear Tyre:	4.00 - H18	120/90 - 18	190/55 ZR17	4.00 - S18"	3.50 -19"	180/55 ZR17	140/80-18	120/90-H18
Wet Weight:	218 Kg / 480 lbs	196 kg / 432 lbs	319 kg / 703 lbs	200 kg / 440 lbs	182 kg / 400 lbs	204 kg / 449.7 lbs	121 kg / 267 lbs	198 Kg / 436 lbs
Fuel Capacity:	24 L / 6.3 US gal	22 liters / 5.8 US gal	26.5 Litres / 7.0 US gal	17 liters / 4.4 US gal	14 liters / 3.60 US gal	17.5 Litres / 4.6 US gal.	8 Litres / 2.1 US gal	19 Litres / 5.0 US gal