KTM 640 LC4 Supermoto - 2003 Specifications and Reviews
The 2003 KTM 640 LC4 Supermoto is a lightweight, nimble supermoto designed for riders seeking playful urban agility and off-road versatility. Powered by a torquey 625cc single-cylinder four-stroke engine producing 55 Nm, it excels at quick city navigation and tight technical riding. Known for its responsive handling and genuine dirt bike heritage, it appeals to experienced riders wanting genuine fun over pure performance.
2003
General information | |
| Category | Super motard |
| Year | 2003 |
| Model | KTM 640 LC4 Supermoto |
| | |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Fuel system | Carburettor |
| Valves per cylinder | 4 |
| Bore x stroke | 102.0 x 80.0 mm (4.0 x 3.1 inches) |
| Compression | 11.5:1 |
| Torque | 55.00 Nm (5.6 kgf-m or 40.6 ft.lbs) @ 5500 |
| Power | 54.80 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 625.00 ccm (38.14 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 160/60-17 |
| Front tyre dimensions | 120/70-17 |
| Rear suspension travel | 310 mm (12.2 inches) |
| Rear suspension | WP - Monoshock |
| Front suspension travel | 265 mm (10.4 inches) |
| Front suspension | WP-USD 48 MA |
| | |
Physical measures and capacities | |
| Reserve fuel capacity | 2.50 litres (0.66 gallons) |
| Fuel capacity | 12.00 litres (3.17 gallons) |
| Wheelbase | 1,510 mm (59.4 inches) |
| Ground clearance | 290 mm (11.4 inches) |
| Seat height | 910 mm (35.8 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.3678 HP/kg |
| Dry weight | 149.0 kg (328.5 pounds) |






































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