The KTM EXC 400 motorcycle specifications include a 398 cc (24.29 cu in) engine, a 6-speed gearbox, and a listed weight of 122 kg (269 lb).
Key specifications
How the KTM EXC 400 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 10% lower than the KTM database average. Around the 55th percentile across KTM models.
About 7% lighter than the KTM database average. Around the 47th percentile across KTM models.
Very close to the KTM database average. Around the 59th percentile across KTM models.
About 19% smaller than the KTM database average. Around the 37th 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.
398 cc — larger displacement than about 55% of KTM models.
122 kg — heavier than about 47% of KTM models, or lighter than about 53%.
930 mm — taller than about 59% of KTM models.
8.5 L — larger than about 37% 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.
1,480
1,436
3% 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 |
| Bore/stroke ratio | 1.39:1 (Oversquare) |
Model information
| Year released | 2001 |
|---|---|
| Category | Enduro / offroad |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 398 cc (24.29 cu in) |
| Bore × stroke | 89.0 x 64 mm (3.5 x 2.5 inches) |
| Compression ratio | 11.5:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor |
| Starter | Electric & kick |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front wheel travel | 295 mm (11.6 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 | 122 kg (269 lb) |
|---|---|
| Seat height | 930 mm (36.6 inches) |
| Wheelbase | 1,480 mm (58.3 inches) |
Fuel and emissions
| Fuel capacity | 8.50 L (2.25 US gal) |
|---|
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.