ID # 35551174

2025 Husqvarna FC 450 Factory Edition

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Overview
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 personalized 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-mold application ensuring a long-lasting finish.
Specifications
Model
FC
Category Name
Motorcycles
Year
2025
Sale Type
New
Manufacturer
Husqvarna
finest componentry

2025 Husqvarna FC 450 Factory EditionFMF titanium exhaust 

As used by Rockstar Energy Husqvarna Factory Racing in AMA Supercross and Pro Motocross competition, the FMF Factory 4.1 RCT silencer is a championship-winning component. Beautifully crafted with a blue anodized titanium body and finished with a carbon fiber end cap, the silencer is considerably lighter than standard, slightly shorter to centralize mass, and delivers a notable boost to overall performance.

2025 Husqvarna FC 450 Factory EditionFactory wheel set

Superior craftsmanship at its finest. Black anodized EXCEL Takasago rims laced to black CNC-machined hubs using high-quality spokes create an exceptionally strong pair of wheels. Incredibly robust while saving weight, the Factory Wheel Set contribute to the overall handling of the FC 450 Factory Edition thanks to the reduction in unsprung weight.

2025 Husqvarna FC 450 Factory EditionFactory triple clamps

Featuring a unique clamping design for perfect fork alignment and uncompromized suspension performance, the CNC-machined Factory Racing Triple Clamps are fully adjustable to offer true customization. With a choice of two offset positions, 20 mm or 22 mm, as well as the option to install the handlebars with rubber mounts for added comfort, or without for a more precise front-end feel, a personalized set-up can easily be achieved.

2025 Husqvarna FC 450 Factory EditionPro Taper handlebar

Second to none when it comes to function and style, the ProTaper handlebar is lightweight and incredibly strong. The specifically selected bar bend reduces pressure points on the rider's hands with soft compound ODI lock-on grips offering additional comfort.

2025 Husqvarna FC 450 Factory EditionTires

Delivering best-in-class performance, the Dunlop GEOMAX MX34 tires feature a race proven 'block-within-a-block' design for progressive cornering and exceptional grip on a wide variety of racing surfaces.

 

absolute control

2025 Husqvarna FC 450 Factory EditionBodywork

Slim-profile bodywork ensures unrestricted movement on the motorcycle, while the high-grip GUTS Racing seat cover holds riders firmly in place under hard acceleration. The ergonomic bodywork features the latest Rockstar Energy Husqvarna Factory Racing graphics, which are applied using in-mold technology for a high-quality, long-lasting finish.

2025 Husqvarna FC 450 Factory EditionWP XACT front suspension

The high-performance WP XACT 48 mm split air forks feature settings to perfectly match the frame and linkage, ensuring the motorcycle delivers the highest level of comfort, balance, and cornering agility. With oil and air bypasses reducing pressure peaks, in combination with a midvalve damping system, the fork provides exceptional feedback from the front wheel. A hydrostop system creates a more progressive damping force in the final 40 mm of travel for improved bottoming resistance on hard landings.

2025 Husqvarna FC 450 Factory EditionWP XACT shock absorber

Optimized linkage geometry and low-friction seals ensure the fully adjustable WP XACT shock delivers exceptional performance. In addition to offering 300 mm of rear wheel travel, the WP shock offers progressive damping, energy absorption, and confidence-inspiring cornering agility.

2025 Husqvarna FC 450 Factory EditionFrame

New engine mounts and a revised frame reduces overall weight while improving flex characteristics and stability, which is particularly noticeable when braking into corners. The frame itself is expertly crafted from hydro-formed, laser-cut, and robot-welded steel and finished with a premium white powder coating for a true race team look. Constructed with specifically calculated parameters of longitudinal and torsional flex, the chassis provides exceptional rider feedback, energy absorption, and straight-line stability. Additionally, a 2K carbon composite skid plate is fitted to protect the frame and engine from hard impacts.

2025 Husqvarna FC 450 Factory EditionSubframe

The composite subframe is manufactured using advanced technologies. Constructed with a blend of 60% polyamide and 40% aluminum, the subframe weighs only 3.9 lb (1.8 kg) and is incredibly durable. Designed with the assistance of computational dynamics, specific rigidity has been engineered into the subframe to enhance overall handling and rider comfort.

2025 Husqvarna FC 450 Factory EditionSwingarm

The aluminum swingarm is designed for optimal stiffness and durability thanks to the proven die-casting process that ensures the lowest weight possible. To further accentuate the flex characteristics from the chassis, a 22 mm rear axle is utilized. Additionally, the chain guard and glider have a smooth profile and offer outstanding durability.

 

unparalleled performance

2025 Husqvarna FC 450 Factory EditionEngine

Engineered to ensure class-leading performance and handling characteristics, all major engine components and shaft arrangements are carefully positioned close to the center of gravity to reduce the effects of rotational inertia. The 250 cc 4-stroke engine is also considerably light and tips the scales at just over 57.3 lb (26 kg). The FC 250 Factory Edition engine is remarkably powerful with impressive torque to suit riders of all abilities.

2025 Husqvarna FC 450 Factory EditionCylinder head

For minimal friction and maximum performance, the finger followers inside the DOHC cylinder head are finished with a diamond-like carbon (DLC) coating. These actuate the titanium valves (32.5 mm intake, 27.5 mm exhaust) which, together with the carefully designed combustion chamber, creates class-leading power throughout the rev-range. 

2025 Husqvarna FC 450 Factory EditionCylinder & piston

The lightweight aluminum cylinder is an engineering masterpiece. Inside the 95 mm bore, the CP bridged-box-type piston features anodized annular grooves for maximum durability and long service intervals.

2025 Husqvarna FC 450 Factory EditionGearbox

Manufactured by Pankl Racing Systems, the five-speed gearbox is low in weight while offering incredible durability. A Quickshifter sensor fitted to the shift drum ensures smooth upshifts at all times while a low-friction coating on the shifting fork further enhances positive gear changes.

2025 Husqvarna FC 450 Factory EditionDS clutch

The FC 250 Rockstar Edition features a highly reliable diaphragm steel (DS) clutch which utilizes a single diaphragm pressure plate instead of traditional coil springs. Together with a clutch basket engineered from a single piece of CNC-machined steel, the clutch assembly delivers consistent performance and exceptional durability.

2025 Husqvarna FC 450 Factory EditionBrembo brakes

Brembo brakes deliver class-leading braking performance. With a 260 mm floating front disc, protected by a 2K carbon composite front disc protector, and a 220 mm wave rear disc, the incredible stopping power created allows for late braking, which leads to faster lap times. A new, stronger rear brake pedal tip is less susceptible to damage for continued control.

 

advanced electronics

2025 Husqvarna FC 450 Factory EditionMap select switch

The intuitive handlebar-mounted Map Select Switch allows riders to engage both launch and traction control, enable the Quickshifter, and activate one of two engine maps. The easy-to-operate Map Select Switch allows racers to quickly alter the engine characteristics on a race-by-race basis depending on track conditions and rider preference.

2025 Husqvarna FC 450 Factory EditionMapping

For a personalized power delivery, the FC 450 Factory Edition has two built-in engine maps as standard, which can be selected and engaged via the Map Select Switch. Map 1 (white) offers linear, predictable power while Map 2 (green) is more aggressive for a sharper throttle response and a more explosive power output.

2025 Husqvarna FC 450 Factory EditionQuickshifter

The Quickshifter function can be activated via the Map Select Switch and works by interrupting the ignition for a fraction of a second for smooth and precise gear changes, even when the throttle is fully open. The Quickshifter is only active from second gear onwards to help avoid accidentally shifting into neutral when moving from first to second gear.

2025 Husqvarna FC 450 Factory EditionTraction Control

Traction Control on the FC 450 Factory Edition is engaged by pressing the 'TC' button on the Map Select Switch. Analyzing throttle input from the rider and the rate at which engine RPM increases, if the RPM increases too quickly, the Engine Management System (EMS) registers a loss of grip and reduces the amount of power to the rear wheel to ensure maximum traction. This is a distinct advantage in wet and slippery conditions.

2025 Husqvarna FC 450 Factory EditionLaunch Control

With the engine at idle, Launch Control is engaged by pressing the Traction Control and Quickshift buttons simultaneously. Both symbols will start flashing to indicate that Launch Control is activated. Designed for race starts, this technology limits the amount of power to the rear wheel, improving traction, and helps to prevent loss of control under hard acceleration. Once a gear change is made, Launch Control deactivates automatically. Additionally, Quickshift cannot be activated while Launch Control is engaged. 

2025 Husqvarna FC 450 Factory EditionElectric start and Li-Ion battery

Keeping overall weight to a minimum and ensuring fast, reliable starting, the Li-Ion 2.0 Ah battery fitted to the FC 450 Factory Edition is approximately 2.2 lb (1 kg) lighter than a conventional lead battery. Additionally, the electric start and engine stop buttons are located inside the same housing for a simplified experience.

 

make the connection

2025 Husqvarna FC 450 Factory EditionRide Husqvarna app

Create and adjust the set-up of your FC 450 Factory Edition by pairing the Connectivity Unit Offroad with the Ride Husqvarna Motorcycles app on your smartphone. Once downloaded, the easy-to-use app offers full control of all engine settings including power delivery, engine braking, and the sensitivity of the Quickshifter. In addition to being able to customize the characteristics of the engine, recommended suspension settings that are based on a variety of racing surfaces, are pre-installed on the app. The Rider section on the Ride Husqvarna Motorcycles app provides vital feedback to the rider post-race by offering full analytics of how the machine is being ridden, as well as recording lap times, which are added to a virtual leaderboard.

 

engine technical details
EMS
Keihin EMS
Bore
95 mm
CLUTCH
Wet multi-disc DS clutch, Brembo hydraulics
DESIGN
1-cylinder, 4-stroke engine
Stroke
63.4 mm
Cooling
Liquid cooled
Starter
Electric starter
DISPLACEMENT
449.9 cm³
TRANSMISSION
5-speed
Primary Drive
29:72
BATTERY CAPACITY
2 Ah
Compression Ratio
13.6
Secondary Gear Ratio
13:51
FUEL-MIXTURE GENERATION
Keihin EFI, throttle body 44 mm
chassis technical details
CHAIN
520, Non-sealed
WHEELS
1.60 x 21"; 2.15 x 19"
SILENCER
Titanium
HANDLEBAR
Pro Taper, Aluminium Ø 28/22 mm
WHEELBASE
1493 mm
Rear Brake
Disc brake
Front Brake
Disc brake
SEAT HEIGHT
953 mm
FRAME DESIGN
Central double-cradle-type 25CrMo4 steel
REAR SUSPENSION
WP XACT Monoshock with linkage
FRONT SUSPENSION
WP XACT cartridge Ø 48 mm
GROUND CLEARANCE
343 mm
STEERING HEAD ANGLE
63.9 °
REAR SUBFRAME DESIGN
Aluminum-reinforced polyamide
WEIGHT (WITHOUT FUEL)
104.1 kg
TANK CAPACITY (APPROX.)
7.2 l
REAR BRAKE DISC DIAMETER
220 mm
SUSPENSION TRAVEL (REAR)
300 mm
FRONT BRAKE DISC DIAMETER
260 mm
SUSPENSION TRAVEL (FRONT)
310 mm
Tyre Dimensions (front/rear)
80/100; 120/90