| MODEL | HUSQVARNA FX 450 2017 - 2019 |
| Year | 2017 - 2019 |
| Engine Type | Single cylinder, four-stroke, SOHC |
| Displacement / Capacity | 449.9 cc / 27.45 cu in |
| Bore X Stroke | 95.0 x 63.4 mm / 3.7 x 2.5 in |
| Compression Ratio | 11.8:1 |
| Cooling System | Liquid |
| Max Power | 46.0 kW / 63 hp |
| Max Torque | — |
| Ignition | Keihin EMS |
| Induction | — |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | Wet, DDS multi-disc, Magura hydraulic |
| Final Drive | Chain, X-Ring 5/8 x 1/4 in |
| CHASSIS SPECS | |
| Frame | Central-tube, 25CrMo4 steel |
| Front Suspension | WP USD AER 48, 48 mm fork, 310 mm / 12.2 in travel |
| Rear Suspension | WP shock with linkage, 300 mm / 11.8 in travel |
| Front Brakes | Single 260 mm / 10.2 in disc, Brembo twin-piston caliper |
| Rear Brakes | Single 220 mm / 8.7 in disc, Brembo single-piston floating caliper |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 950 - 970 mm / 37.4 - 38.2 in |
| Wheelbase | 1,482 mm / 58.3 in |
| Ground Clearance | 370 mm / 14.6 in |
| Dry Weight | 101.6 kg / 224.0 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 140/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 8.5 Litres / 2.25 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The FX 450 is the cross-country variant of Husqvarna's 450 four-stroke, built on the motocross FC with a bigger tank and extra off-road equipment. This generation has the steel central-tube frame and WP AER air fork.
