KTM 400 EXC Specs (2009)
KTM 400 EXC is equipped with single cylinder, 4-stroke and total displacement reach 393.4 cc has considerable more torque and extremely uniform power delivery even at lower speeds. Ergonomic tank for ideal contact with the bike. Special KTM airflow system with ducts beneath the spoilers for an optimum fresh air supply to the airbox. Another advantage for racing: transparent polyethylene lets you see the fuel level from the outside. Find more information about KTM 400 EXC specification in the following table.
ENGINE
| Engine type |
Single cylinder, 4-stroke |
| Displacement |
393.4 cc |
| Bore x stroke |
89/64 mm (3.5/2.52″) |
| Compression ratio | 11.1:1 |
| Starter |
Kick- and electric starter/12V 4Ah |
| Transmission | 6 gears |
| Carburetor | Keihin FCR-MX 39 |
| Control | 4 V/OHC with roller rocker levers |
| Lubrication | Pressure lubrication with 3 oil pumps |
| Engine lubrication | Motorex, SAE 10W-50 |
| Transmission oil | Motorex, SAE 10W-50 |
| Primary ratio | 33:76 |
| Final drive | 15:45 (13:52) |
| Cooling | Liquid cooled |
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Ignition | Kokusan |
CHASSIS
| Frame | Central double-cradle-type 25CrMo4 steel |
| Subframe | Aluminium 7020 |
| Handlebar | Neken, Aluminium Ø 28/22 mm (1.10/0.87″) |
| Front Suspension | WP USD Ø 48 mm (1.89″) |
| Rear Suspension | WP PDS shock absorber |
| Suspension travel front/rear | 300/335 mm (11.81/13.19″) |
| Brakes, front/rear | Disc brakes Ø 260/220 mm (10.24/8.66″) |
| Rims, front/rear | 1.60 x 21″; 2.15 x 18″ Excel |
| Tires, front/rear | 90/90-21″; 120/90-18″ |
| Chain | X-ring chain 5/8 x 1/4″ |
| Silencer | Aluminium |
| Steering head angle | 63.5° |
| Wheel base | 1471 ± 10 mm (57.91 ± 0.39″) |
| Ground clearance | 380 mm (15″) |
| Seat height | 985 mm (38.78″) |
| Tank capacity | approx. 9 liters (2.38 gal) |
| Weight (ready to race) | approx. 113.9 kg (251.11 lbs) |