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2023 Husqvarna FC450 Overview
The 2023 Husqvarna FC450 is a cross / motocross motorcycle built around 449.9 cc of displacement. Under the tank sits a Single cylinder, four-stroke engine running Single Overhead Cams (SOHC) valve actuation. The bore and stroke measures 95 x 63.4 mm. From a practical standpoint, the 2023 FC450 tips the scales at 102.8 kg, carries a 7.20-litre fuel tank, offers a seat height of 939 mm and spans a 1485 mm wheelbase. Scroll down for the complete 2023 Husqvarna FC450 spec sheet covering every technical detail from suspension travel to tyre sizes.
2023 FC450 - Pros & Cons
Strengths
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Factory engineering: The 2023 Husqvarna FC450 represents Husqvarna's engineering at the time, with a specification built around real-world usability.
Considerations
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Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.
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Tall seat height: The 939 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Owner Experiences & Common Issues
Carburetor maintenance
Carburetors on the 2023 Husqvarna FC450 benefit from a clean and re-jet if the bike has been stored, run on stale fuel, or modified with an aftermarket exhaust. Owners frequently mention that fresh jets and float needle clips transforms throttle response from flat to crisp.
Valve clearance checks
Single Overhead Cams (SOHC) engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.
FC450 - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2023 Husqvarna FC450, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained FC450 should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any FC450. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
Carburetor upkeep
Keep the carburetors clean and free of deposits. If the FC450 has been stored, strip and clean the carb float bowls before attempting to start it. Pilot jets are the first to block and the last to be checked - always include them in any carb rebuild.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used FC450. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has been done.
2023 Husqvarna FC450 - Frequently Asked Questions
What engine does the 2023 Husqvarna FC450 have?
The 2023 Husqvarna FC450 uses a Single cylinder, four-stroke engine with 449.9 cc of displacement.
How much does the 2023 Husqvarna FC450 weigh?
The 2023 Husqvarna FC450 weighs 102.8 kg. This is the manufacturer's dry figure.
What is the fuel tank capacity of the 2023 Husqvarna FC450?
The 2023 Husqvarna FC450 has a 7.20-litre fuel tank.
Is the 2023 Husqvarna FC450 suitable for shorter riders?
The 2023 Husqvarna FC450 has a seat height of 939 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2023 Husqvarna FC450 have?
The 2023 Husqvarna FC450 uses Single disc. Brembo twin-piston floating calliper at the front and Single disc. Brembo single-piston floating calliper at the rear.
What tyre sizes does the 2023 Husqvarna FC450 use?
The front tyre size on the 2023 Husqvarna FC450 is 90/90-21.
What fuel system does the 2023 Husqvarna FC450 use?
The 2023 Husqvarna FC450 uses Carburettor. 44mm Keihin, providing precise fuelling across the rev range and reliable cold-start behaviour.
Husqvarna FC450 Spec Evolution
The Husqvarna FC450 was produced across 8 model years (2014-2023). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2014 |
2016 |
2017 |
2018 |
2019 |
2021 |
2022 |
2023 |
| Dry Weight |
107.6 kg / 237.2 lbs |
102.4 kg / 225.8 lbs |
101.2 kg / 223.1 lbs |
101.2 kg / 223.1 lbs |
101 kg / 222.7 lbs |
101 kg / 222.7 lbs |
101 kg / 222.7 lbs |
102.8 kg / 226.6 lbs |
| Seat Height |
992 mm / 39.1 in. |
960 mm / 37.8 in. |
960 mm / 37.8 in. |
960 mm / 37.8 in. |
950 mm / 37.4 in. |
940 mm / 37.0 in. |
940 mm / 37.0 in. |
939 mm / 37.0 in. |
| Fuel Capacity |
7.50 litres / 1.98 gallons |
7.00 litres / 1.85 gallons |
7.00 litres / 1.85 gallons |
7.00 litres / 1.85 gallons |
7.00 litres / 1.85 US gallons |
7.00 litres / 1.85 US gallons |
7.00 litres / 1.85 US gallons |
7.20 litres / 1.90 US gallons |
| Ground Clearance (mm) |
371 mm |
370 mm |
370 mm |
370 mm |
370 mm |
370 mm |
370 mm |
336 mm |
| Ground Clearance (in.) |
14.6 inches |
14.6 inches |
14.6 inches |
14.6 inches |
14.6 inches |
14.6 inches |
14.6 inches |
13.2 inches |
| Fuel Control |
DOHC |
Double Overhead Cams/Twin Cam (DOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
Single Overhead Cams (SOHC) |
| Displacement (ci) |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.42 cubic inches |
27.45 cubic inches |
27.45 cubic inches |
27.45 cubic inches |
27.45 cubic inches |
| Displacement (cc) |
449.30 cc |
449.30 cc |
449.30 cc |
449.30 cc |
449.9 cc |
449.9 cc |
449.9 cc |
449.9 cc |
Key Specifications
Engine
Single cylinder, four-stroke
Weight
102.8 kg / 226.6 lbs
Fuel Capacity
7.20 litres / 1.90 US gallons
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Full 2023 Husqvarna FC450 Specifications
Comments
Traction control. Two engine maps.
Colours
White/yellow/grey
Ground Clearance (in.)
13.2 inches
Ground Clearance (mm)
336 mm
Seat Height
939 mm / 37.0 in.
Wheelbase
1485 mm / 58.5 in.
Dry Weight
102.8 kg / 226.6 lbs
Fuel Capacity
7.20 litres / 1.90 US gallons
Stroke
4-stroke
Fuel Control
Single Overhead Cams (SOHC)
Engine Type
Single cylinder, four-stroke
Displacement (ci)
27.45 cubic inches
Displacement (cc)
449.9 cc
Bore x Stroke (in,)
3.7 x 2.5 inches
Bore x Stroke (mm)
95.0 x 63.4 mm
Fuel System
Carburettor. 44mm Keihin
Ignition
Keihin EMS
Starter
Electric
Clutch
Wet, DDS multi-disc clutch, Brembo hydraulics
Final Drive
Chain (final drive)
Gearbox
5-speed
Primary Drive
5/8 x 1/4´ chain
Frame Type
Central double-cradle-type 25CrMo4 steel
Suspension - Front
WP XACT-USD, Ø 48 mm
Suspension - Rear
WP XACT Monoshock with linkage
Rake
26.1°
Wheel Travel - Front
305 mm / 12.0 in.
Wheel Travel - Rear
293 mm / 11.5 in.
Brakes - Front
Single disc. Brembo twin-piston floating calliper
Brakes - Rear
Single disc. Brembo single-piston floating calliper
Rims
Alloy rims by D.I.D. DUNLOP MX33 tyres.
Tyres - Front
90/90-21
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