2027 Husqvarna FX 450
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*Plus freight: $690. Closed-course competition use only.
CLASS-LEADING CROSS-COUNTRY PERFORMANCE
Multiple technical upgrades for 2027 further improve the overall performance of the class-leading FX 450. A new frame together with updated suspension settings deliver a noticeable improvement to agility, with engine shaft arrangements positioned to centralise mass for a lightweight feel while riding. Inside the 450 cc engine is a revised clutch redesigned for consistent performance throughout every ride, while the new 6-speed gearbox — developed specifically for cross-country racing with a dedicated engine map for each gear — ensures a controllable power delivery for every rider. Rounding out the package are a new silencer, refined bodywork, and a slightly taller and wider seat for improved ergonomics across the longest days of competition.
Technical Specifications
Engine
| Design | 1-Cylinder, 4-Stroke, SOHC with Rocker Levers |
| Displacement | 449.9 cc |
| Bore / Stroke | 95 / 63.4 mm |
| Compression Ratio | 13.6:1 |
| Fuel System | Keihin EFI, Throttle Body Ø 44 mm |
| Engine Management | Keihin EMS |
| Transmission | 6-Speed |
| Primary Ratio | 29:72 |
| Final Drive | 14:50 |
| Clutch | Wet Multi-Disc DDS-Clutch, Brembo Hydraulics |
| Cooling | Liquid Cooled |
| Starter | Electric Starter / Lithium-Ion 12.8V 2Ah |
| Lubrication | Pressure Lubrication with 2 Oil Pumps |
Chassis
| Frame | Central Double-Cradle-Type 25CrMo4 Steel |
| Subframe | Aluminum Reinforced Polyamide |
| Front Suspension | WP XACT Closed Cartridge, Ø 48 mm |
| Rear Suspension | WP XACT Monoshock with Linkage |
| Suspension Travel (Front/Rear) | 300 / 300 mm |
| Front/Rear Brakes | Disc Brake Ø 260 / 220 mm — Brembo |
| Front/Rear Rims | 1.60 x 21"; 2.15 x 18" DID |
| Front/Rear Tires | 80/100-21"; 110/100-18" Dunlop Geomax AT82 |
| Chain | 520 X-Ring |
| Handlebar | ProTaper, Aluminum Ø 28/22 mm |
| Steering Head Angle | 26.1° |
| Triple Clamp Offset | 22 mm |
| Wheelbase | 1,493 ± 10 mm / 58.7 ± 0.4 in |
| Ground Clearance | 343 mm / 13.5 in |
| Seat Height | 954 mm / 37.5 in |
| Tank Capacity | 8.5 L / 2.24 gal |
| Weight (Without Fuel) | 105.5 kg / 232.5 lb |
| Silencer | Aluminum |