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) vs Suzuki 1981 () vs Triumph Speed Triple S (2019)

Comparison technical specifications

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Make:	Yamaha	BMW	Triumph	KTM	BMW	Suzuki	Triumph
Model:	YZF 750SP	R 100RT	Sprint ST 1050	990 Super Duke	K100 RS	1981	Speed Triple S
Years:	1993	1981-83	2008	2004	1985		2019
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	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse three cylinder, DOHC, 4 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	1074 cc / 65.5 cu in	1050 cc / 64.1 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	72 x 66 mm	79 x 71.4 mm
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Liquid cooling,	Liquid cooled	Air cooled	Liquid-cooled
Compression Ratio:	11.5:1	9.5:1	12.0:1	11.5:1	10.2:1	9.5:1	12.92:1
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	4 x Mikuni BS34SS	Multipoint sequential electronic fuel injection with SAI
Starting:	Electric	Electric	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	83.9 kW / 111 hp / @ 9500 rpm	148 hp / 110 kW @ 10500 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	97.1 Nm / 9.9 kgf-m / 70.9 lb-ft @ 6500 rpm	117 Nm / 86.2 lb-ft @ 7150 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	Wet multi-plate	Wet, multi-plate slip assist clutch
Transmission:	6 Speed	5 Speed	6 Speed	6 Speed	5 Speed	5 Speed	6 Speed
Final Drive:	Chain	Shaft	Chain	Chain, X-Ring 5/8 x 5/16"	Shaft	Chain, Daido D.I.D 630YL, 96 links	X ring chain
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	Telescopic, oil damped, spring 4-way adjustable with anti-dive	Showa 43 mm upside down forks with adjustable preload, rebound and compression damping
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	Dual shock oil damped, damper 4-way, spring 5-way adjustable	Showa monoshock with adjustable preload, rebound and compression damping
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	2 x 275 mm Discs, 2 piston calipers	2 x 320mm floating discs, Brembo 4 piston monobloc radial calipers, switchable ABS
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	Single 275 mm disc, 1 piston caliper	Single 255mm disc, Nissin 2 piston sliding caliper, switchable ABS
Front Tyre:	120/70 ZR17	3.25 H-19	120/70 ZR17	120/70 ZR17	100/90-V18	3.50 - V19	120/70 ZR17
Rear Tyre:	180/55 ZR17	4.00 H-18	180/55 ZR17	180/55 ZR17	130/90-V17	4.50 - V17	190/55 ZR17
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.	1520 mm / 59.8 in	1445 mm / 56.8 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)	775 mm / 30.5 in	825 mm / 32.4 in
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	22 L / 5.8 US gal / 4.8 Imp gal	15.5 Litres / 4.1 US gal / 3.4 Imp gal