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2023 Husqvarna FS 450 Overview
For 2023, Husqvarna offers the FS 450 as a super motard motorcycle with 449.9 cc on tap. The 2023 Husqvarna FS 450 is built around a Single cylinder, four-stroke engine running Single Overhead Cams (SOHC) valve actuation, a compression ratio of 13.1:1. Internally, bore and stroke are 95 x 63.4 mm. In everyday use, the 2023 FS 450 tips the scales at 107.6 kg, carries a 7.20-litre fuel tank, offers a seat height of 898 mm and spans a 1482 mm wheelbase. That's roughly 102.9 kg lighter than the average super motard motorcycle in our database. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2023 Husqvarna FS 450 spec sheet below.
2023 FS 450 - Pros & Cons
Strengths
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Factory engineering: There's nothing exotic about the 2023 Husqvarna FS 450's spec sheet - just solid, proven engineering for what it's meant to do.
Considerations
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Carburetor fuelling: Carburetion is more hands-on than fuel injection - plan on periodic jetting and cleaning as part of routine ownership.
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Tall seat height: A 898 mm seat puts flat-footing out of reach for a lot of riders - sit on it in person before committing.
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Modest fuel capacity: A 7.20-litre tank keeps things light but means budgeting for more frequent fuel stops on any longer ride.
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Chain final drive upkeep: A chain drivetrain is the most common setup in its class, but it's also the one that demands the most regular hands-on maintenance.
Wear Points & Servicing Notes
Carburetor maintenance
Being carbureted, the FS 450 is more sensitive to stale fuel and altitude changes than a fuel-injected bike - a carb clean and rejet restores crisp throttle response after any extended lay-up.
Valve clearance checks
Valve clearances on Single Overhead Cams (SOHC)-equipped engines like the FS 450's drift slowly with mileage rather than failing suddenly - sticking to the service interval keeps it a non-issue.
Brake disc and pad wear
Single disc. Brembo twin-piston floating calliper, brake disc up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.
Suspension condition on used examples
Suspension duties are handled by WP XACT-USD, Ø 48 mm up front and WP XACT Monoshock with linkage at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.
Final drive maintenance
Chain final drive on the FS 450 means routine lubing and tension checks are part of ownership - skip them and sprocket wear accelerates noticeably.
Frame & chassis check
The 25CrMo4 steel central-tube chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.
Low-speed handling
The FS 450's 107.6 kg kerb weight makes low-speed control noticeably less effort than on a heavier machine.
FS 450 - Buying & Maintenance Guide
What to check before buying
A pre-purchase check on the 2023 Husqvarna FS 450 should cover the same ground every time: service history, chain and sprocket condition, and any oil seepage around the casings. Start it from cold if you can - a well-kept FS 450 settles to a smooth idle within seconds.
Oil and filter changes
Oil changes are the cheapest insurance you can buy for a FS 450's engine - keep to the manufacturer's interval rather than stretching it. Use the viscosity grade the manual specifies, not whatever's on sale.
Carburetor upkeep
A FS 450 that's sat unused is almost always a carb-cleaning job before it runs right again - float bowls and pilot jets first, since they clog before anything else.
Valve clearance service
There's no reliable seat-of-the-pants way to tell if a FS 450's valve clearances are in spec - a light top-end tick is the only real warning sign, and by then some wear has already happened. Service records are the only proof.
2023 Husqvarna FS 450 - Frequently Asked Questions
What engine does the 2023 Husqvarna FS 450 have?
The 2023 Husqvarna FS 450 uses a Single cylinder, four-stroke engine with 449.9 cc of displacement.
How much does the 2023 Husqvarna FS 450 weigh?
The 2023 Husqvarna FS 450 weighs 107.6 kg. This is the manufacturer's dry figure.
What is the fuel tank capacity of the 2023 Husqvarna FS 450?
The 2023 Husqvarna FS 450 has a 7.20-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 120-144 km between stops.
Is the 2023 Husqvarna FS 450 suitable for shorter riders?
The 2023 Husqvarna FS 450 has a seat height of 898 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 FS 450 have?
The 2023 Husqvarna FS 450 uses Single disc. Brembo twin-piston floating calliper, brake disc at the front and Single disc. Brembo single-piston floating calliper, brake dis at the rear.
What tyre sizes does the 2023 Husqvarna FS 450 use?
The front tyre size on the 2023 Husqvarna FS 450 is 125/80-16.5.
What fuel system does the 2023 Husqvarna FS 450 use?
The 2023 Husqvarna FS 450 uses Carburettor, providing precise fuelling across the rev range and reliable cold-start behaviour.
Husqvarna FS 450 Spec Evolution
The Husqvarna FS 450 was produced across 8 model years (2016-2023). 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 |
2016 |
2017 |
2018 |
2019 |
2020 |
2021 |
2022 |
2023 |
| Dry Weight |
110 kg / 242.5 lbs |
110 kg / 242.5 lbs |
110 kg / 242.5 lbs |
102.9 kg / 226.9 lbs |
102.8 kg / 226.6 lbs |
102.8 kg / 226.6 lbs |
103 kg / 227.1 lbs |
107.6 kg / 237.2 lbs |
| Seat Height |
927 mm / 36.5 in. |
927 mm / 36.5 in. |
927 mm / 36.5 in. |
890 mm / 35.0 in. |
890 mm / 35.0 in. |
890 mm / 35.0 in. |
890 mm / 35.0 in. |
898 mm / 35.4 in. |
| Fuel Capacity |
9.50 litres / 2.51 gallons |
9.50 litres / 2.51 gallons |
9.50 litres / 2.51 gallons |
9.50 litres / 2.51 US 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) |
290 mm |
290 mm |
290 mm |
290 mm |
290 mm |
290 mm |
290 mm |
281 mm |
| Ground Clearance (in.) |
11.4 inches |
11.4 inches |
11.4 inches |
11.4 inches |
11.4 inches |
11.4 inches |
11.4 inches |
11.1 inches |
| Displacement (ci) |
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 |
27.45 cubic inches |
| Displacement (cc) |
449.30 cc |
449.30 cc |
449.30 cc |
449.9 cc |
449.9 cc |
449.9 cc |
449.9 cc |
449.9 cc |
| Comments |
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2 engine maps. |
Traction control, 2 engine maps. |
Key Specifications
Engine
Single cylinder, four-stroke
Power
Not published by manufacturer
Torque
Not published by manufacturer
Top Speed
Not published by manufacturer
Weight
107.6 kg / 237.2 lbs
Fuel Capacity
7.20 litres / 1.90 US gallons
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Full 2023 Husqvarna FS 450 Specifications
Comments
Traction control, 2 engine maps.
Colours
White/grey/yellow
Ground Clearance (in.)
11.1 inches
Ground Clearance (mm)
281 mm
Seat Height
898 mm / 35.4 in.
Wheelbase
1482 mm / 58.3 in.
Dry Weight
107.6 kg / 237.2 lbs
Fuel Capacity
7.20 litres / 1.90 US gallons
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
CO2
85.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel System
Carburettor
Compression Ratio
13.1:1
Fuel Consumption
3.68 litres/100 km (27.2 km/l or 63.92 mpg)
Ignition
Hitachi Astemo EMS
Starter
Electric
Clutch
Wet multi-disc Suter clutch, Brembo hydraulics
Final Drive
Chain (final drive)
Gearbox
5-speed
Primary Drive
5/8 x 1/4´ chain
Frame Type
25CrMo4 steel central-tube
Suspension - Front
WP XACT-USD, Ø 48 mm
Suspension - Rear
WP XACT Monoshock with linkage
Rake
26.1°
Wheel Travel - Front
285 mm / 11.2 in.
Wheel Travel - Rear
285 mm / 11.2 in.
Brakes - Front
Single disc. Brembo twin-piston floating calliper, brake disc
Brakes - Rear
Single disc. Brembo single-piston floating calliper, brake dis
Rims
Black, wire spoked. Metzler tyres.
Tyres - Front
125/80-16.5
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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