The KTM 400 EXC motorcycle specifications include a 393.4 cc (24.01 cu in) engine, a 6-speed gearbox, and a listed weight of 113.9 kg (251.1 lb).
Key specifications
The 2009 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the KTM 400 EXC 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 11% lower than the KTM database average. Around the 54th percentile across KTM models.
About 10% taller than the KTM database average. Around the 95th percentile across KTM models.
About 15% smaller than the KTM database average. Around the 48th 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.
393 cc — larger displacement than about 54% of KTM models.
985 mm — taller than about 95% of KTM models.
9 L — larger than about 48% 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.
1,475
1,436
Close to average.
985
895
10% above average.
380
304
25% 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
| Category | Enduro / offroad |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 393.4 cc (24.01 cu in) |
| Bore × stroke | 89.0 x 64 mm (3.5 x 2.5 inches) |
| Compression ratio | 11.1:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin FCR-MX 39 |
| Fuel control | Overhead Cams (OHC) |
| Ignition | Kokusan |
| Starter | Electric & kick |
| Lubrication | Pressure lubrication with 3 oil pumps |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-disc clutch, operated hydraulically |
Chassis and suspension
| Frame | Central double-cradle-type 25CrMo4. Aluminium 7020 subframe. |
|---|---|
| Front suspension | WP USD 48 mm |
| Rear suspension | WP-PDS shock absorber |
| Front wheel travel | 300 mm (11.8 inches) |
| Rear wheel travel | 335 mm (13.2 inches) |
| Rake | 26.5° |
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
| Dry weight | 113.9 kg (251.1 lb) |
|---|---|
| Seat height | 985 mm (38.8 inches) |
| Wheelbase | 1,475 mm (58.1 inches) |
| Ground clearance | 380 mm (15.0 inches) |
Fuel and emissions
| Fuel capacity | 9.00 L (2.38 US gal) |
|---|
Other specifications
| Color options | Orange |
|---|---|
| Exhaust system | Aluminium |
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.