Yamaha YZF 750SP (1993) vs BMW R 100RT (1981-83) vs Triumph Sprint ST 1050 (2008) vs KTM 990 Super Duke (2004)
Comparison technical specifications
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| Make: | Yamaha | BMW | Triumph | KTM |
| Model: | YZF 750SP | R 100RT | Sprint ST 1050 | 990 Super Duke |
| Years: | 1993 | 1981-83 | 2008 | 2004 |
| 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 |
| 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 |
| Bore x Stroke: | 72 x 46 mm | 94 x 70.6 mm | 79 x 71.4 mm | 101 x 62.4mm |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled | Liquid cooling, |
| Compression Ratio: | 11.5:1 | 9.5:1 | 12.0:1 | 11.5:1 |
| 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 |
| Ignition: | T.C.I. Digital | Battery ignition | Digital CDI | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
| Starting: | 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 |
| 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 |
| Clutch: | Wet, multiple discs, cable operated | Dry single plate, with diaphragm spring | Wet, multiple discs, cable operated | Wet multi-disc clutch, operated hydraulically |
| Transmission: | 6 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Shaft | Chain | Chain, X-Ring 5/8 x 5/16" |
| 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 |
| 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 |
| 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 |
| 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 |
| Front Tyre: | 120/70 ZR17 | 3.25 H-19 | 120/70 ZR17 | 120/70 ZR17 |
| Rear Tyre: | 180/55 ZR17 | 4.00 H-18 | 180/55 ZR17 | 180/55 ZR17 |
| Wheelbase: | 1,420 mm / 55.9 in | 1465 mm / 57.67 in | 1470 mm / 57.9 in | 1438 mm / 56.6 in |
| Seat Height: | 795 mm / 31.2 in | 820 mm / 32.3 in | 805 mm / 31.7 in | 855 mm / 33.6 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 |
| Consumption Average: | 15.0 km/lit | 5.1 L/100 km / 19.6 km/l / 46 US mpg | 5.7 L/100 km / 17.6 km/l / 41.4 US mpg / 49.7 Imp mpg | 12.6 km/lit |
| Standing ¼ Mile: | 10.71 sec / 207.8 km/h | 13.8 sec / 153 km/h / 95 mph | 11.3 sec | 11.5 sec |
| Top Speed: | 260.6 km/h | 203 km/h / 126 mph | 258 km/h / 160 mph | 236 km/h |