KTM 950 Duke Concept (2003) vs KTM 620 LC4 Adventure (1997) vs KTM 990 Adventure (2010)
Comparison technical specifications
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| Make: | KTM | KTM | KTM |
| Model: | 950 Duke Concept | 620 LC4 Adventure | 990 Adventure |
| Years: | 2003 | 1997 | 2010 |
| Engine: | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 942 cc / 57.4 cu-in | 609 cc / 37.2 cu in | 999.8 cc / 60.9 cu-in |
| Bore x Stroke: | 100 x 60 mm | 101 x 76 mm | 101 x 62.4mm |
| Cooling System: | Liquid cooling | Liquid cooled | Liquid cooling |
| Compression Ratio: | 11.5;1 | 10.4:1 | 11.5;1 |
| Induction: | 2X 43mm Keihin constant pressure | Dell'Orto PHM 40 SD | Keihin Electronic Fuel Injection EMS |
| Ignition: | Denso battery ignition | KDC-CDI | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
| Starting: | Electric | Kick & electric | Electric |
| Max Power: | 106 hp @ 9500 rpm | 40.1 kW / 55 hp @ 7000 rpm | 104.6 hp / 78 kW @ 8250 rpm |
| Max Torque: | 9 km-g @ 7000 rpm | 60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5500 rpm | 100 Nm / 73.8 lb-ft @ 6500 rpm |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain, X-Ring 5/8 x 5/16" |
| Front Suspension: | 48mm WP USD adjustable, 135mm travel | 50mm Telescopic forks, compression and rebound adjustable | 48mm WP USD forks |
| Front Wheel Travel: | 135 mm / 5.3 in | 280 mm / 11.0 in | 190 mm / 7.5 in |
| Rear Suspension: | WP shock, fully adjustable, 160mm travel | Single chock, preload, compression and rebound adjustable | WP-PDS rear shock, hydraulic spring preload |
| Rear Wheel Travel: | 160 mm / 6.3 in | 330 mm / 13.0 in | 190 mm / 7.5 in |
| Front Brakes: | 2x 320mm discs 4 piston calipers | Single 320 mm disc, 4 piston caliper | 2x 300mm discs 2 piston calipers |
| Rear Brakes: | Single 240mm disc 1 piston caliper | Single 220 mm disc, 1 piston caliper | Single 240mm disc 1 piston caliper |
| Front Tyre: | 120/70-17 | 90/90 - 21 | 90/90 -21 |
| Rear Tyre: | 180/55-17 | 130/80 - 18 | 150/70 -R18 |
| Dry Weight: | 179 kg | 146 kg / 322 lbs | 209 kg / 460.7 lbs |
| Fuel Capacity: | 17 Litres | 28 L / 7.4 US gal / 6.2 Imp gal | 19.5 Litres / 5.1 gal |