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