| Attribute | KTM 640 LC4 Supermoto 2003 × | KTM 690 Enduro 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2003 | 2009 |
| Make | KTM | KTM |
| Model | KTM 640 LC4 Supermoto | KTM 690 Enduro |
| Category | Super motard | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor | Carburettor. Keihin EMS with EPT (Electr. Power Throttle) |
| Displacement (cm³) | 625 | 654 |
| Power (kw) | 40 | - |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 55 | 64 |
| Bore (mm) | 102 | 102 |
| Stroke (mm) | 80 | 80 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | - | Overhead Cams (OHC) |
| Ignition | - | Keihin |
| Clutch | - | APTC Wet multi-disc clutch, operated hydraulically |
| Lubrication system | - | Semi-dry-sump lubrication with 2 Eaton pumps |
| Compression | 11.5:1 | 11.8:1 |
| Exhaust system | - | 2-cell stainless steel |
| Chassis | ||
| Front suspension | WP-USD 48 MA | WP USD, 48 mm |
| Rear suspension | WP - Monoshock | WP mono shock with Pro Lever Linkage |
| Front brakes | Single disc | Single disc. Brembo two piston, floating caliper |
| Rear brakes | Single disc | Single disc. Brembo single piston, floating caliper |
| Diameter (mm) | 220 | 240 |
| Frame type | - | Chromium-Molybdenum trellis frame, powder coated. Self-supporting plastic tank as subframe. |
| Front tyre | 120/70-17 | 90/90-21 |
| Rear tyre | 160/60-17 | 140/80-18 |
| Front wheel travel (mm) | 265 | 250 |
| Rear wheel travel (mm) | 310 | 250 |
| Rake (fork angle) (degree) | - | 27 |
| Other | ||
| Starter | - | Electric |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,510 | 1,498 |
| Dry weight (kg) | 149 | 138 |
| Power/weight ratio | 0.2685 | - |
| Seat height (mm) | 910 | 910 |
| Ground clearance (mm) | 290 | 300 |
| Performance | ||
| Reserve fuel capacity (l) | 2.5 | - |
| Fuel capacity (l) | 12 | 12 |