| MODEL | HUSABERG FX 450 2011 |
| Year | 2011 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 449 cc / 27.40 cu in |
| Bore X Stroke | 96.0 x 63.5 mm / 3.8 x 2.5 in |
| Compression Ratio | 11.8:1 |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | Kokusan digital |
| Induction | Keihin EFI |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Pressure lubrication with 2 oil pumps |
| Gear Box | 6-speed |
| Clutch | Wet multi-disc, hydraulically operated |
| Final Drive | Chain; primary 33:76, secondary 13:52 |
| CHASSIS SPECS | |
| Frame | Double cradle perimeter 25CrMo4, cross-linked polyethylene subframe |
| Front Suspension | WP-USD 48 mm closed cartridge |
| Rear Suspension | WP-PDS shock absorber |
| Front Brakes | Single disc, 260 mm / 10.2 in |
| Rear Brakes | Single disc, 220 mm / 8.7 in |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 985 mm / 38.8 in |
| Wheelbase | 1475 mm / 58.1 in |
| Ground Clearance | 390 mm / 15.4 in |
| Dry Weight | 112.5 kg / 248.0 lbs |
| Wet Weight | 121 kg / 266.8 lbs |
| WHEEL SPECS | |
| Front Tyre | 80/100-21 |
| Rear Tyre | 110/90-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.5 Litres / 2.25 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2011 FX 450 is the cross-country version of the fuel-injected 450 with 80/100-21 and 110/90-19 tyres. It uses the same engine dimensions as the FE 450 enduro.
