KTM Supermoto 640: history, specs, pictures
The KTM 640 LC4 Supermoto was a single cylinder, four-stroke super motard motorcycle produced between 1999 and 2007. It could reach a top speed of 104 mph (168 km/h). Max torque was 44.26 ft/lbs (60.0 Nm) @ 5750 RPM. Claimed horsepower was 52.57 HP (39.2 KW) @ 6750 RPM.
Engine[edit | edit source]
The engine was a liquid cooled single cylinder, four-stroke. A 101.0mm bore x 78.0mm stroke result in a displacement of just 625.0 cubic centimeters. The engine featured a 11.7:1 compression ratio. Fuel was supplied via a overhead cams (ohc).
Drive[edit | edit source]
The bike has a 5-speed transmission. The final drive was via chain. Power was moderated via the wet multi-disc clutch, operated hydraulically.
Chassis[edit | edit source]
It came with a 120/70-17 front tire and a 160/60-17 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a wp usd while the rear was equiped with a wp monoshock with pro lever. The 640 LC4 Supermoto was fitted with a 2.43 Gallon (9.20 Liters) fuel tank. The bike weighed just 328.49 pounds (149.0 Kg). The wheelbase was 59.45 inches (1510 mm) long.
In Media[edit | edit source]
| KTM Supermoto 640 | |
| Manufacturer | |
|---|---|
| Also called | 640 SuperMoto, 620 SuperMoto, LC4-E 640 Supermoto, 640 LC4 SUPERMOTO PRESTIGE, 640 LC4 SM Supermoto, 640 LC4 Supermoto Orange, 640 LC4 Supermoto Black, 640 LC4 Supermoto, LC4640 Supermoto, LC4 640 Supermoto |
| Production | 1999 - 2007 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 101.0mm x 78.0mm |
| Top Speed | 104 mph (168 km/h) |
| Horsepower | 52.57 HP (39.2 KW) @ 6750RPM |
| Torque | 44.26 ft/lbs (60.0 Nm) @ 5750RPM |
| Fuel System | carburetor. mikuni bst 40 |
| Ignition | kokusan dc-cdi |
| Transmission | Gear box: 5-speed Final Drive: chain |
| Suspension | Front: wp usd Rear: wp monoshock with pro lever |
| Brakes | Front: single disc Rear: single disc |
| Front Tire | 120/70-17 |
| Rear Tire | 160/60-17 |
| Wheelbase | 59.45 inches (1510 mm) |
| Width | 25.2 inches (640 mm) |
| Height | 25.2 inches (640 mm) |
| Seat Height | 35.83 inches (910 mm) |
| Weight | 328.49 pounds (149.0 Kg) (dry), |
| Fuel Capacity | 2.43 Gallon (9.20 Liters) |
| Manuals | Service Manual |
The KTM 640 LC4 Supermoto was a single cylinder, four-stroke standard produced by KTM between 1999 and 2007. It could reach a top speed of 104 mph (168 km/h). Max torque was 44.26 ft/lbs (60.0 Nm) @ 5750 RPM. Claimed horsepower was 52.57 HP (39.2 KW) @ 6750 RPM.
Engine[edit | edit source]
The engine was a liquid cooled single cylinder, four-stroke. A 101.0mm bore x 78.0mm stroke result in a displacement of just 625.0 cubic centimeters. Fuel was supplied via a overhead cams (ohc).
Drive[edit | edit source]
The bike has a 5-speed transmission. Power was moderated via the wet multi-disc clutch, operated hydraulically.
Chassis[edit | edit source]
It came with a 120/70-17 front tire and a 160/60-17 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a wp usd while the rear was equipped with a wp monoshock with pro lever. The 640 LC4 Supermoto was fitted with a 2.43 Gallon (9.20 Liters) fuel tank. The bike weighed just 328.49 pounds (149.0 Kg). The wheelbase was 59.45 inches (1510 mm) long.