Yamaha YZF 750SP (1993) vs BMW R 100RT (1981-83) vs Triumph Sprint ST 1050 (2008) vs KTM 990 Super Duke (2004) vs BMW K100 RS (1985)

Comparison technical specifications

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Make:	Yamaha	BMW	Triumph	KTM	BMW
Model:	YZF 750SP	R 100RT	Sprint ST 1050	990 Super Duke	K100 RS
Years:	1993	1981-83	2008	2004	1985
Engine:	Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder	Four stroke, transverse three cylinder. DOHC, 4 valves per cylinder	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Capacity:	749 cc / 45.7 cu-in	980 cc 59.8 cu in	1050 cc / 64.1 cu in	999.8 cc / 60.9 cu-in	987 cc / 60.2 cub. in
Bore x Stroke:	72 x 46 mm	94 x 70.6 mm	79 x 71.4 mm	101 x 62.4mm	67 x 70 mm
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Liquid cooling,	Liquid cooled
Compression Ratio:	11.5:1	9.5:1	12.0:1	11.5:1	10.2:1
Induction:	4x 4 Y Keihin FCRD39/4	2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106	Multipoint sequential electronic fuel injection	Electronic fuel injection / electric	Electronic injection, Bosch LE-Jetronic
Ignition:	T.C.I. Digital	Battery ignition	Digital CDI	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment	Electronic injection, Bosch LE-Jetronic
Starting:	Electric	Electric	Electric	Electric	Electric
Max Power:	125 hp / 91.1 kW @ 12000 rpm	51 kW 70 hp @ 7000 rpm	90 kW 123 hp @ 9250 rpm	88 kW / 120 hp @ 9000 rpm	65.6 kW / 90 hp @ 8000 rpm
Max Torque:	80.4 Nm / 8.2 kgf-m / 59.3 lb-ft @ 9500 rpm	76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm	104 Nm / 10.6 kgf-m / 77 ft-lb @ 5000 rpm	100 Nm @ 7000 rpm	86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Clutch:	Wet, multiple discs, cable operated	Dry single plate, with diaphragm spring	Wet, multiple discs, cable operated	Wet multi-disc clutch, operated hydraulically	Dry, single plate, cable operated
Transmission:	6 Speed	5 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	Chain	Shaft	Chain	Chain, X-Ring 5/8 x 5/16"	Shaft
Front Suspension:	41mm UD fork, fully adjustable.	Telescopic fork with hydraulic shock absorber.	45 mm Forks with dual rate springs and adjustable preload	48mm WP Upside down adjustable	Telescopic fork with hydraulic shock absorber
Rear Suspension:	Monocross type fully adjustable Öhlins remote reservoir shock,	Long swinging arm with adjustable strut.	Monoshock with adjustable preload, compression and rebound damping	WP shock, fully adjustable	Monolever swinging arm
Front Brakes:	2x 320mm discs 6 piston calipers	2 x ∅260mm discs, 2 piston calipers	2 x 320 mm Discs, 4 piston calipers	2x 320mm discs 4 piston calipers	2 x ∅285 mm discs, 2 piston calipers
Rear Brakes:	Single 245mm disc 2 piston caliper	Simplex ∅200 mm drum	Single 255 mm disc, 2 piston caliper	Single 240mm disc 1 piston caliper	Single ∅285 mm disc, 1 piston caliper
Front Tyre:	120/70 ZR17	3.25 H-19	120/70 ZR17	120/70 ZR17	100/90-V18
Rear Tyre:	180/55 ZR17	4.00 H-18	180/55 ZR17	180/55 ZR17	130/90-V17
Wheelbase:	1,420 mm / 55.9 in	1465 mm / 57.67 in	1470 mm / 57.9 in	1438 mm / 56.6 in	1516 m /59.7 in.
Seat Height:	795 mm / 31.2 in	820 mm / 32.3 in	805 mm / 31.7 in	855 mm / 33.6 in	810 mm / 31.90 in. (760 mm / 29.9 in for low seat model)
Fuel Capacity:	19 Litres / 4.3 gal	24 Litres / 6.3 US gal	20 Litres / 5.3 US gal / 4.4 Imp gal	18.5 Litres / 4.8 gal	22 Liters / 5.8 US gal
Standing ¼ Mile:	10.71 sec / 207.8 km/h	13.8 sec / 153 km/h / 95 mph	11.3 sec	11.5 sec	12.5 sec / 172 km/h / 107 mph
Top Speed:	260.6 km/h	203 km/h / 126 mph	258 km/h / 160 mph	236 km/h	220 km/h / 136 mph