| MODEL | KTM 400 EXC 2002 - 2003 |
| Year | 2002 - 2003 |
| Engine Type | Four stroke, single cylinder, SOHC, 4 valves |
| Displacement / Capacity | 398 cc / 24.3 cu in |
| Bore X Stroke | 89 x 64 mm |
| Compression Ratio | 11.5:1 |
| Cooling System | Liquid cooled |
| Max Power | 32.1 kW / 44 hp @ 8000 rpm |
| Max Torque | — |
| Ignition | Kokusan digital |
| Induction | Keihin MX-FCR 39 |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 speed; primary 30:81; 1st 14:34, 2nd 17:31, 3rd 19:28, 4th 22:26, 5th 24:23, 6th 26:21 |
| Clutch | — |
| Final Drive | Chain, O-ring; final drive ratio 14:50 |
| CHASSIS SPECS | |
| Frame | Chrome-moly main frame, aluminium swingarm |
| Front Suspension | WP 43 mm upside-down fork, 295 mm / 11.6 in travel |
| Rear Suspension | Fully adjustable WP PDS shock, 320 mm / 12.6 in travel |
| Front Brakes | Single 260 mm disc, Brembo double piston caliper, sintered pad |
| Rear Brakes | Single 220 mm disc, Brembo single piston caliper, organic pad |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 925 mm / 36.4 in |
| Wheelbase | 1481 mm / 58.3 in |
| Ground Clearance | 380 mm / 15.0 in |
| Dry Weight | 112 kg / 247 lbs |
| Wet Weight | 122 kg / 269.0 lbs |
| WHEEL SPECS | |
| Front Tyre | 80/100 - 21 Bridgestone M77 |
| Rear Tyre | 110/100 - 18 Bridgestone M78 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.5 Litres / 2.25 US gal / 1.9 Imp gal |
| Fuel Consumption | — |
| Top Speed | — |
A four-stroke enduro bike with a single-cylinder SOHC engine, a chrome-moly frame and fully adjustable WP suspension, aimed at trail and off-road riders. The source reviews describe smooth, motocross-like power with a midrange spike and easy handling, and the page ties the standard bike to the factory machine that won the 1999 World Enduro Championship.
