Husqvarna FC 450 Heritage - 2023 Specifications and Reviews

The 2023 Husqvarna FC 450 Heritage is a versatile motocross machine suited for intermediate to advanced riders seeking a balanced blend of power and manageability. Powered by a liquid-cooled 449cc single-cylinder four-stroke engine producing 63 horsepower, it delivers responsive performance across varied terrain. Known for its classic heritage styling combined with modern Brembo braking and reliable Keihin carburetor fuel delivery, this bike excels in recreational and competitive motocross environments.

2023
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General information

CategoryCross / motocross
Year2023
ModelHusqvarna FC 450 Heritage

Engine and Transmission Specifications

Driveline5/8 x 1/4´ X-ring chain
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemLiquid
IgnitionHitachi Astemo EMS
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemCarburettor. 44mm Keihin
Bore x Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Compression13.1:1
Power63.0 HP (46.0 kW)
Engine typeSingle cylinder, four-stroke
Capacity:449.9 ccm (27.45 cubic inches)

Brakes, suspension, Frame and wheels

WheelsAlloy rims by D.I.D. DUNLOP MX33 tyres.
Rear brakesSingle disc. Brembo single-piston floating calliper
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Brembo twin-piston floating calliper
Rear tire140/90-18
Front tire90/90-21
Rear wheel travel293 mm (11.5 inches)
Rear SuspensionWP XACT Monoshock with linkage
Front wheel travel305 mm (12.0 inches)
Front SuspensionWP XACT-USD, Ø 48 mm
Rake (fork angle)26.1°
Frame typeCentral double-cradle-type 25CrMo4 steel
 
 

Physical measures and capacities

Fuel capacity7.20 litres (1.90 US gallons)
Wheelbase1485 mm (58.5 inches)
Ground clearance336 mm (13.2 inches)
Seat height939 mm (37.0 inches) If adjustable, lowest setting.
Power/weight ratio0.6128 HP/kg
Dry weight102.8 kg (226.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsTraction control. Two engine maps.
ElectricalLightweight Li-Ion 2.0 Ah battery
StarterElectric
Color optionsWhite/yellow/blue

Performance Profile & Rider Fit

63 hp
Peak Power

Best For

Track55%
City10%
Cornering90%
Daily Riding8%
Touring8%
Passenger2%

Rider Profile

Best ForThis bike is built for experienced off-road riders and racers, not beginners, given its razor-sharp power delivery and tall, aggressive ergonomics.
PurposeIt's a purebred motocross weapon designed for closed-course racing and serious trail riding, not general transportation.
Rider FitRiders need strong fitness, core strength, and confidence standing on the pegs, as the tall 939mm seat height and firm suspension demand active riding.
CharacterThe FC 450 Heritage is a light, explosive, high-revving machine that rewards aggressive input with incredible agility and jump-friendly handling.
Not Ideal ForThis is not the bike for commuters, passengers, long highway journeys, or anyone wanting plush comfort and low-maintenance ownership.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2023 Husqvarna FC 450 Heritage Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 939mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2023 Husqvarna FC 450 Heritage, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2023 Husqvarna FC 450 Heritage is a stunning addition to the FC 450 lineup, featuring a retro-inspired design that pays homage to the brand's racing heritage. With its classic blue and yellow color scheme and vintage-inspired graphics, this bike is a standout in the motocross world. But it's not just about looks—the FC 450 Heritage is also a top-performing machine, featuring a powerful 450cc engine, top-of-the-line suspension, and cutting-edge electronics. Whether you're a nostalgic motocross enthusiast or a modern rider looking for top-notch performance, the FC 450 Heritage is a bike that has something to offer for everyone. The 2023 Husqvarna FC 450 Heritage is a true testament to Husqvarna's commitment to both style and performance. With its unique retro design and top-of-the-line features, this bike is sure to turn heads on and off the track. If you're in the market for a bike that offers a blend of vintage charm and modern performance, the FC 450 Heritage is definitely worth considering.
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