2006
KTM 640 LC4 Supermoto Orange - Specifications & Review

Article Complete Info
| Articleid | 927224 |
|---|---|
| Category | Super motard |
| Make | KTM |
| Model | 640 LC4 Supermoto Orange |
| Year | 2006 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Double ground, chrome-moly-steel frame, powder-coated |
|---|---|
| Frontbrakes | Single disc |
| Frontbrakesdiameter | 320 mm (12.6 inches) |
| Frontsuspension | WP-USD 48 mm (1.89 inches) |
| Fronttyre | 120/70-17 |
| Frontwheeltravel | 300 mm (11.8 inches) |
| Rake | 27.0° |
| Rearbrakes | Single disc |
| Rearbrakesdiameter | 220 mm (8.7 inches) |
| Rearsuspension | WP-Monoshock with Pro-Lever linkage |
| Reartyre | 160/60-17 |
| Rearwheeltravel | 335 mm (13.2 inches) |
| Trail | 99 mm (3.9 inches) |
Engine & Transmission
| Borexstroke | 101.0 x 78.0 mm (4.0 x 3.1 inches) |
|---|---|
| Clutch | Multi-disc wet clutch, hydraulically operated |
| Compression | 11.7:1 |
| Coolingsystem | Liquid |
| Displacement | 625.00 ccm (38.14 cubic inches) |
| Enginedetails | Single cylinder, four-stroke |
| Fuelsystem | Carburettor. Mikuni BST 40 |
| Gearbox | 5-speed |
| Ignition | Kokusan DC-CDI |
| Lubricationsystem | Pressure lubrication |
| Power | 53.64 HP (39.2 kW)) @ 6750 RPM |
| Torque | 60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5750 RPM |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Comments | Not available in the US. |
|---|---|
| Starter | Electric & kick |
Physical Measures & Capacities
| Dryweight | 149.0 kg (328.5 pounds) |
|---|---|
| Fuelcapacity | 9.20 litres (2.43 gallons) |
| Groundclearance | 280 mm (11.0 inches) |
| Overallwidth | 640 mm (25.2 inches) |
| Powerweightratio | 0.3600 HP/kg |
| Seatheight | 910 mm (35.8 inches) If adjustable, lowest setting. |
About KTM
Country of Origin:
Austria
Founder:
Hans Trunkenpolz (later joined by Ernst Kronreif)
Best Known For:
Off-road/enduro supremacy, Dakar wins, Duke/RC streetbikes, and READY TO RACE ethos
Company History
KTM evolved from a postwar repair shop into a racing juggernaut by treating competition as R&D. Lightweight two-strokes made the brand a force in motocross and enduro; later four-strokes and advanced electronics cemented dominance. Dakar Rally victories showcased reliability under extreme conditions and fed the Adventure lineup—bikes that balance long-travel composure with startling pace. On the street, the Duke and RC families brought razor geometry and punchy singles/twins to license tiers worldwide, while the 1290 Super Duke and Adventure pushed the IMU-aided edge of performance. Corporate agility—acquisitions, platform sharing with Husqvarna/GASGAS—expanded reach without blurring identity. Historically, KTM changed expectations for chassis feedback and electronics integration in dirt and on road, proving that orange-painted ferocity could also be precise. The brand’s throughline is simple: build light, communicate grip, and let riders go fast safely. Few companies have turned a color and a slogan into such a reliable proxy for results.
