Ducati Ducat ST4 (1997-98) vs Ducati 916 Senna II (1997) vs KTM 690 SMC-R (2016-17)
Comparison technical specifications
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| Make: | Ducati | Ducati | KTM |
| Model: | Ducat ST4 | 916 Senna II | 690 SMC-R |
| Years: | 1997-98 | 1997 | 2016-17 |
| Engine: | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven | Four stroke, single Cylinder. SOHC, 4 Valve |
| Capacity: | 916 cc / 55.9 cu in | 916 cc / 55.9 cu in | 690 cc / 39.9 cu-in |
| Bore x Stroke: | 94 x 66 mm | 94 x 66 mm | 102 x 84.5 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid Cooled |
| Compression Ratio: | 11.0:1 | 11.0:1 | 12.5:1 |
| Induction: | Fuel injection, 50 mm throttle body, Marelli 1.6M | Weber I.A.W. CPU P8 electronic indirect injection | Keihin EFI with EPT (Electr. Power Throttle) |
| Ignition: | Marelli electronic | Electronic I.A.W | Kokusan DC-CDI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 78.7 kW / 107 hp @ 9000 rpm | 83.8 kW / 114 hp @ 9000 rpm | 49 kW / 65.7 hp @ 7500 rpm |
| Max Torque: | 89 Nm / 9 kgf-m / 65.6 ft-lb @ 7500 rpm | 90 Nm / 9 kgf-m / 66.3 lb-ft @ 7000 rpm | 68 Nm / 50.1 lb-ft @ 6000 rpm |
| Clutch: | Hydraulically actuated dry multiplate clutch | Dry, multiplate | APTC multi-disc wet clutch, hydraulically operated |
| Transmission: | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain 5/8 x 1/ in X Ring |
| Frame: | Steel, Trellis frame | Steel, Trellis frame | Chromium-Molybdenum trellis frame, powder coated, Aluminium Sub frame, aluminium, tapered, Ø 28/22 mm handlebar. |
| Front Suspension: | Showa GD081 43mm upside-down fully adjustable fork. | 43 mm Adjustable Showa GD051 inverted fork | WP 48mm Upside-down forks, |
| Front Wheel Travel: | 130 mm / 5.1 in | 127 mm / 5.0 in | 250 mm / 9.8 in |
| Rear Suspension: | Progressive linkage with fully adjustable Showa GD082 monoshock with piggy back aluminum swing arm. | Showa GD52-007-02, rising rate progressive linkage adjustable monoshock | WP-Monoshock with Pro-Lever linkage, |
| Rear Wheel Travel: | 148 mm / 5.8 in | 130 mm / 5.1 in | 250 mm / 9.8 in |
| Front Brakes: | 2x 320 mm Discs, 4 piston calipers | 2 x 320 mm Discs, 4 piston calipers | Single 320mm disc |
| Rear Brakes: | Single 245 mm disc, 2 piston caliper | Single 220 disc, 2 piston caliper | Single 240mm disc |
| Front Tyre: | 120/70 - ZR17 | 120/70 ZR17 | 120/70 -ZR17 |
| Rear Tyre: | 180/55 - ZR17 | 190/50 ZR17 or 180/55 ZR17 | 160/60 -ZR17 |
| Wheelbase: | 1430 mm / 56.3 in | 1410 mm / 56.6 in | 1480 mm / 58.2 in |
| Seat Height: | 820 mm / 32.3 in | 790 mm / 31.1 in | 890 mm / 35 in |
| Dry Weight: | 214.5 kg / 474 lbs | 198 kg / 436 lbs | 139 kg / 306.4 lbs |
| Fuel Capacity: | 21 Litres / 5.5 US gal / 4.6 Imp gal | 17 Litres / 4.4 US gal / 3.7 Imp gal | 12 Litres / 3.1 gal |