The KTM LC4 640 Enduro motorcycle specifications include a 625 cc (38.14 cu in) engine, a 5-speed gearbox, and a listed weight of 158 kg (348.3 lb).
Key specifications
How the KTM LC4 640 Enduro compares
This compares the motorcycle with all KTM models in this specifications database. The blue marker is this model and the grey line is the KTM database average.
About 41% higher than the KTM database average. Around the 78th percentile across KTM models.
About 20% heavier than the KTM database average. Around the 89th percentile across KTM models.
Very close to the KTM database average. Around the 59th percentile across KTM models.
About 14% larger than the KTM database average. Around the 75th percentile across KTM models.
KTM database percentile rankings
Percentiles show where this motorcycle sits across the KTM specifications database. They are descriptive database rankings, not performance ratings.
625 cc — larger displacement than about 78% of KTM models.
158 kg — heavier than about 89% of KTM models, or lighter than about 11%.
930 mm — taller than about 59% of KTM models.
12 L — larger than about 75% of KTM fuel tanks in this database.
Dimensions compared with KTM average
Each measurement is compared with the average value across KTM models where that dimension is available.
1,510
1,436
5% above average.
930
895
4% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 140/80-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 18 in |
| Estimated theoretical fuel range | 190 km |
| Bore/stroke ratio | 1.29:1 (Oversquare) |
Model information
| Year released | 1999 |
|---|---|
| Category | Enduro / offroad |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 625 cc (38.14 cu in) |
| Bore × stroke | 101.0 x 78 mm (4.0 x 3.1 inches) |
| Compression ratio | 11.0:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Starter | Electric & kick |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front wheel travel | 280 mm (11.0 inches) |
|---|---|
| Rear wheel travel | 320 mm (12.6 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 90/90-21 |
| Rear tire | 140/80-18 |
Dimensions and weight
| Wet weight | 158 kg (348.3 lb) |
|---|---|
| Seat height | 930 mm (36.6 inches) |
| Wheelbase | 1,510 mm (59.4 inches) |
Fuel and emissions
| Fuel capacity | 12.00 L (3.17 US gal) |
|---|---|
| Fuel consumption | 6.30 L/100 km (15.9 km/l or 37.34 mpg) |
| Greenhouse gases | 146.2 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Top speed | 168.0 km/h (104.4 mph) |
|---|---|
| 0–100 km/h | 4.70 seconds |
| 60–140 km/h | 13.30 seconds |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.