Yamaha IT 400 (1976) vs KTM 950 Duke Concept (2003)
Comparison technical specifications
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| Make: | Yamaha | KTM |
| Model: | IT 400 | 950 Duke Concept |
| Years: | 1976 | 2003 |
| Engine: | Two stroke, single cylinder, read valve | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 396 cc / 24.2 cu-in | 942 cc / 57.4 cu-in |
| Bore x Stroke: | 85 x 70 mm | 100 x 60 mm |
| Cooling System: | Air cooled | Liquid cooling |
| Compression Ratio: | 7.4:1 | 11.5;1 |
| Induction: | VM38SS Mikuni carburetor | 2X 43mm Keihin constant pressure |
| Ignition: | CDI | Denso battery ignition |
| Starting: | Kick | Electric |
| Max Power: | 32.5 hp / 24.2 kW @ 8000 rpm | 106 hp @ 9500 rpm |
| Max Torque: | 22.4 lb-ft / 30.3 Nm @ 7500 rpm | 9 km-g @ 7000 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic adjustable forks | 48mm WP USD adjustable, 135mm travel |
| Front Wheel Travel: | 210 mm / 8.2 in | 135 mm / 5.3 in |
| Rear Suspension: | Monoshock, adjustable spring preload and rebound damping | WP shock, fully adjustable, 160mm travel |
| Rear Wheel Travel: | 180 mm / 7 in | 160 mm / 6.3 in |
| Front Brakes: | Drum | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Drum | Single 240mm disc 1 piston caliper |
| Front Tyre: | 3.00 x 21 | 120/70-17 |
| Rear Tyre: | 4.50 x 18 | 180/55-17 |
| Dry Weight: | 115 kg / 253.5 lbs | 179 kg |
| Fuel Capacity: | 12 Litres / 3.2 US gal | 17 Litres |