| MODEL | HUSABERG FC 550-4 2003 |
| Year | 2003 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 555 cc / 33.87 cu in |
| Bore X Stroke | 100.0 x 70.7 mm / 3.9 x 2.8 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | BTR 25CrMo4, heat-treated at +800 C |
| Front Suspension | WP MXMA 4860-Husaberg Motocross, 295 mm / 11.6 in travel |
| Rear Suspension | WP PDS 5018-Husaberg Motocross, 320 mm / 12.6 in travel |
| 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 | 930 mm / 36.6 in |
| Wheelbase | 1490 mm / 58.7 in |
| Ground Clearance | 380 mm / 15.0 in |
| Dry Weight | 103.9 kg / 229.1 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/100-21 |
| Rear Tyre | 110/100-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 9 Litres / 2.38 US gal |
| Fuel Consumption | — |
| Top Speed | — |
For 2003 the FC 550 is listed at 555 cc, with a heat-treated chrome-moly frame and WP motocross suspension. This is the four-speed version.
