KTM 790 Duke (2023) vs Suzuki GSX-R 1100 (1990) vs Suzuki GS 500F (2004)
Comparison technical specifications
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| Make: | KTM | Suzuki | Suzuki |
| Model: | 790 Duke | GSX-R 1100 | GS 500F |
| Years: | 2023 | 1990 | 2004 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder |
| Capacity: | 799 cc / 48.7 cu-in | 1127 cc / 68.8 cub. in. | 487 cc / 29.7 cu in |
| Bore x Stroke: | 88 mm x 65.7 mm | 78 x 59 mm | 74 x 56.6 mm |
| Cooling System: | Liquid cooled with water/oil heat exchanger | Air/Oil cooled with two separate oil pumps | Air cooled |
| Compression Ratio: | 12.7:1 | 10.0:1 | 9.0:1 |
| Induction: | DKK DellOrto fuel injection with 42mm throttle body | 4 x 36 mm Mikuni Flatslide CV carburetors | 2 x 33mm Mikuni BST carburetors |
| Starting: | Electric | Electric | Electric |
| Max Power: | 77 kW / 105 hp @ 9000 rpm | 105 kW / 143 hp @ 9500 rpm | 35.1 kW / 45.5 hp @ 9200 rpm |
| Max Torque: | 87 Nm / 63.4 lb-ft @ 8000 rpm | 117 Nm / 11.9 kgf-m / 86 ft-lb @ 8000 rpm | 40 Nm / 4.1 kgf-m / 29.5 lb-ft @ 7500 rpm |
| Transmission: | 6-speed (quickshifter optional) | 5 Speed | 6 Speed |
| Final Drive: | Chain 520 X-Ring | Chain, 114 links | Chain |
| Frame: | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated | Ultra-lightweight frame built entirely of aluminum alloy castings: a collection of rectangular-section extrusions in a twin-downtube arrangement | Steel, twin spar |
| Front Suspension: | 43mm Non-adjustable inverted WP APEX fork | Kayaba fork, cartridge design that keeps the air and oil separated. 43mm tubes, 8 way adjustable rebound damping, 10-way adjustable compression damping and fully adjustable preload. | Telescopic forks, 7-way preload adjustment |
| Rear Suspension: | Linkage-free, cantilevered spring-preload adjustable WP Apex shock | Full floater 7-way adjustable preload, 19-way damping and compression | Rising rate single shock, 7-way preload adjustment |
| Front Brakes: | 2x 300mm discs, radially mounted 4 piston caliper | 2 x 310 mm Discs, four-piston caliper | Single 310mm disc, 4 piston caliper |
| Rear Brakes: | Single 240mm disc, 2 piston floating caliper | Single 240 mm disc, 2 piston caliper | Single 250mm disc, 2 piston caliper |
| Front Tyre: | 120/70 x 17 | 130/60 ZR17 | 110/70 H17 |
| Rear Tyre: | 180/55 x 17 | 180/55 ZR17 | 130/70 H17 |
| Seat Height: | 835.6 mm / 32.9 in (805 mm / 31.7 inches optional) | 810 mm / 31.9 in. | 790 mm / 31.1 in |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 21 Litres / 5.5 US gal / 4.6 Imp gal | 20 Litres / 5.3 US gal / 4.4 Imp gal |