The 2025 FC 450 Factory Edition sets the standard for competition-focused motocross machinery. By offering the ultimate combination of a lightweight, agile chassis, advanced SOHC engine, and specifically chosen Technical Accessories, an unrivalled on-track experience for riders of all abilities is assured. Engine performance can be customised easily thanks to an extensive selection of electronic rider aids, while the latest WP XACT suspension is fully adjustable for a personalised set-up. Completing the build are the Rockstar Energy Husqvarna Factory Racing graphics that the team will run throughout the 2025 season, with their in-mould application ensuring a long-lasting finish.

Engine

  • Primary drive29:72
  • Transmission5-speed
  • Battery capacity2 Ah
  • CoolingLiquid cooled
  • Secondary gear ratio13:51
  • StarterElectric starter
  • Stroke63.4 mm
  • Bore95 mm
  • ClutchWet, DDS multi-disc clutch, Brembo hydraulics
  • Compression ratio13.6
  • Displacement449.9 cm³
  • EMSKeihin EMS
  • Design1-cylinder, 4-stroke engine
  • Fuel-mixture generationKeihin EFI, throttle body 44 mm

Chassis

  • Weight (without fuel)104.1 kg
  • Tank capacity (approx.)7.2 l
  • Wheelbase1493 mm
  • Front brake disc diameter260 mm
  • Rear brake disc diameter220 mm
  • Front brakeDisc brake
  • Rear brakeDisc brake
  • Chain520, Non-sealed
  • Frame designCentral double-cradle-type 25CrMo4 steel
  • Front suspensionWP XACT-USD, Ø 48 mm
  • Ground clearance343 mm
  • HandlebarPro Taper, Aluminium Ø 28/22 mm
  • Rear suspensionWP XACT Monoshock with linkage
  • Seat height953 mm
  • SilencerTitanium
  • Steering head angle63.9 °
  • Rear subframe designAluminum-reinforced polyamide
  • Suspension travel (front)310 mm
  • Suspension travel (rear)300 mm
  • Tyre dimensions (front/rear)80/100; 120/90
  • Wheels1.60 x 21"; 2.15 x 19"
  • Wheelbase1493 ± 10 mm