KTM 450 EXC Specs (2009)
KTM 450 EXC has single cylinder, 4-stroke with total displacement 449.3 cc. The 39 mm Keihin flat side carburetor uses an accelerator pump and side potentiometer to produce instant throttle response and high-end performance for all four-stroke models. An optimized cold start setting also improves starting at low temperatures. Find more information about KTM 450 EXC Specification in the following table.
ENGINE
| Engine type |
Single cylinder, 4-stroke |
| Displacement |
449.3 cc |
| Bore x stroke |
95 / 63.4 mm (3.74 / 2.5″) |
| Compression ratio | 11.9:1 |
| 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 | 1475 ± 10 mm (58.0 ± 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) |