| MODEL | KTM 450 EXC 2009 - 2010 |
| Year | 2009 - 2010 |
| Engine Type | Four stroke, single cylinder, SOHC, 4 valves per cylinder |
| Displacement / Capacity | 447.9 cc / 27.42 cu in |
| Bore X Stroke | 89 x 72 mm |
| Compression Ratio | 11.1:1 |
| Cooling System | — |
| Max Power | — |
| Max Torque | — |
| Ignition | Kokusan digital |
| Induction | Keihin MX FCR 39 carburetor |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | Pressure lubrication with 2 rotor pumps; engine oil 1.25 Litres / 1.3 US qt / 1.1 Imp qt (Motorex Power Synt 4T 10W/50) |
| Gear Box | 6 speed; 1st 14:34, 2nd 17:31, 3rd 19:28, 4th 22:26, 5th 24:23, 6th 26:21 |
| Clutch | Wet multi-disc, hydraulically operated |
| Final Drive | Chain, X-ring 5.8 x 1/4 in; final drive ratio 14:52 |
| CHASSIS SPECS | |
| Frame | Central tube chrome-moly-steel frame |
| Front Suspension | WP 4860 MA upside-down fork, 300 mm / 11.8 in travel |
| Rear Suspension | WP-PDS shock absorber, aluminium swingarm, 335 mm / 13.2 in travel |
| Front Brakes | Single 260 mm disc, floating caliper |
| Rear Brakes | Single 220 mm disc, floating caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 970 mm / 38.7 in |
| Wheelbase | 1481 mm / 58.3 in |
| Ground Clearance | 380 mm / 15.0 in |
| Dry Weight | 113.5 kg / 250.2 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90 - 21 |
| Rear Tyre | 140/80 - 18 |
| FUEL SYSTEM | |
| Fuel Capacity | 9.0 Litres / 2.4 US gal / 2.0 Imp gal |
| Fuel Consumption | — |
| Top Speed | — |
A redesigned four-stroke 450 EXC aimed at riders wanting an aggressive, durable off-road bike with a comfortable ride. The source compares it with Husqvarna, Yamaha, Honda and Kawasaki rivals and notes the street-legal headlight and orange-and-black colours.
