2023 Husqvarna FX 450 Bike


Husqvarna FX 450 Bike
Model Year
Engine Size
Engine Type
Engine Displacement
Bore x Stroke
95 mm x 63.4 mm
Compression Ratio
Fuel System
Electronic Fuel Injection (EFI), 44 mm Keihin throttle body
Keihin EMS; push-button electric starter, lightweight lithium-ion 2.0 Ah battery
Pankl Racing Systems 5-speed, revised 29:72 transmission ratio; DDS (Damped Diaphragm Steel) multidisc clutch in oil bath, single-diaphragm steel pressure plate instead of coil springs, hydraulically activated, one-piece CNC-machined steel clutch basket
Final Drive
Chain, X-Ring, 5/8 x 1/4"
Suspension Front
WP XACT-USD, split air, capsulated adjustable air spring, midvalve damping system, new hydrostop for improved bottoming resistance, compression adjust, rebound adjust, 48 mm diameter, 310 mm (12.2") travel
Suspension Rear
WP XACT Monoshock with revised linkage, Computational Fluid Dynamics (CFD) optimized main piston, low-friction SKF seals, high/low-speed compression adjust, rebound adjust, 300 mm (11.8") travel
Brakes Front
Hydraulic disc, 260 mm rotor
Brakes Rear
Hydraulic disc, 220 mm rotor
Tires Front
Dunlop Geomax MX33, 80/100-21"
Tires Rear
Dunlop Geomax AT81, 110/100-18"
Overall Length
Overall Width
Overall Height
Seat Height
947 mm (37.3")
1485 mm (58.5")
Ground Clearance
343 mm (13.5")
Fuel Capacity
8.5 liters (2.25 gallons)
Curb Weight
103.5 kg (228.2 lbs) without fuel
• Two engine maps, selectable via handlebar-mounted switch: standard for linear predictable power, or aggressive for improved throttle response and sharper explosive power output
• Traction Control analyzes throttle input from rider and engine RPMs; EMS reduces power to rear wheel when loss of grip is sensed; turned on or off from map switch on handlebar
• New Quickshift function, activated via map select switch and using a sensor on the shift drum, allows upshifting while throttle is fully open without the use of the clutch; only active from second gear upwards to prevent unintended shifts and false neutrals
• New engine with repositioned components, updated shaft arrangements, more durable fine-punched cam chain, and increased compression ratio
• New frame and shock mounting position for improved anti-squat behavior, redesigned standard frame protectors
• New swingarm and 22 mm rear axle, plus redesigned chain guard and chain slider
• New handlebar clamp and stiffer upper triple clamp
• New CFD-designed footrests with larger contact area
• New fuel tank and fuel pump design
• New hour meter with integrated fuel level indicator status LED
• New combined start/stop switch
• Airbox: tool-free access to Twin Air filter via left side panel
• Engine type: single aluminum cylinder, 4-stroke, SOHC, CP bridged-box-type piston, die-cast crankcase
• Frame: central double-cradle-type 25CrMo4 steel, forged lower frame rail brackets for installation of standard skid plate, two-piece subframe (60% injection-molded polyamide, 40% aluminum) with cast aluminum lower subframe spars and frame mounts, hollow die-cast aluminum swingarm
• Grips: ODI, lock-on
• Handlebar: ProTaper, with standard handguards
• Handlebar mount: two mounting options (rubber damped for less vibration or fixed for enhanced feedback); CNC-machined triple clamps
• Muffler: aluminum mounting bracket, advanced internal construction
• Radiator: CFD-designed high-strength aluminum, with new internal thermostat
• Rims: D.I.D with laser-engraved logos
• Includes air pump for fork
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