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FC 450 2025
Product #HSKY-FC450-25
The FC 450 remains the flagship of Husqvarna Motorcycles' motocross lineup, delivering unrivaled performance for 2025. Its redesigned chromium-molybdenum frame is lighter and perfectly balanced, enhancing agility while maintaining straight-line stability...
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Husqvarna FC450 2025
The FC 450 remains the flagship of Husqvarna Motorcycles' motocross lineup, delivering unrivaled performance for 2025. Its redesigned chromium-molybdenum frame is lighter and perfectly balanced, enhancing agility while maintaining straight-line stability. Upgrades include race-proven Dunlop Geomax MX34 tires and ergonomic bodywork, now featuring Swedish-inspired in-mold technology graphics for a bold, durable finish.
Key Features of the FC 450
Powerful Engine
- Lightweight design at 59 lb (26.8 kg) for centralized mass and improved handling.
- Enhanced anti-squat behavior for better chassis performance.
- Service markers on engine cases simplify maintenance.
Gearbox
- 5-speed gearbox by Pankl Racing Systems for durability and performance.
- Optimized motocross-specific gear ratios (29:72).
- Integrated Quickshifter sensor activated via the QS button for smooth upshifting.
Cylinder Head
- Compact SOHC design with the camshaft positioned near the center of gravity for agility.
- Fine-punched cam chain with low-friction guides for efficiency and reliability.
- Lightweight valves with precise timing for optimal torque and throttle response.
Cylinder and Piston
- 95 mm aluminum cylinder with a 63.4 mm stroke for top-tier reliability and performance.
- CP bridged-box-type piston with anodized grooves for durability, weighing just 327 g.
- 13.6:1 compression ratio delivers incredible peak power.
Crankshaft
- Positioned to centralize mass and optimize traction and rideability.
- Plain big end bearing with force-fitted shells ensures durability and reliability.
- Long service intervals of up to 90 hours.
Crankcases
- High-pressure die-cast crankcases for thin, strong walls and reduced weight.
- Internal components arranged to optimize mass centralization and handling.
DDS Clutch
- Dampened diaphragm steel (DDS) clutch with a single-diaphragm pressure plate for durability.
- Integrated damping system enhances traction and reliability.
- CNC-machined steel clutch basket with thin steel liners for a compact design.

The FC 450 remains the flagship of Husqvarna Motorcycles' motocross lineup, delivering unrivaled performance for 2025. Its redesigned chromium-molybdenum frame is lighter and perfectly balanced, enhancing agility while maintaining straight-line stability...