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2018 Husqvarna FS 450 Overview
For 2018, Husqvarna offers the FS 450 as a super motard motorcycle with 449.30 cc on tap. The 2018 Husqvarna FS 450 is built around a Single cylinder, four-stroke engine running Single Overhead Cams (SOHC) valve actuation. Internally, bore and stroke are 95 x 63.4 mm. In everyday use, the 2018 FS 450 tips the scales at 110 kg, carries a 9.50-litre fuel tank, offers a seat height of 927 mm and spans a 1,475 mm wheelbase. That's roughly 100.5 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 2018 Husqvarna FS 450 spec sheet below.
2018 FS 450 - Pros & Cons
Strengths
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Factory engineering: There's nothing exotic about the 2018 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 927 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 9.50-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 four-piston radial fixed calliper 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-USD, AER 48, ? 48 mm up front and WP shock absorber 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 Chrome-molybdenum steel tubular space frame, powder-coated 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 110 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 2018 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.
2018 Husqvarna FS 450 - Frequently Asked Questions
What engine does the 2018 Husqvarna FS 450 have?
The 2018 Husqvarna FS 450 uses a Single cylinder, four-stroke engine with 449.30 cc of displacement.
How much does the 2018 Husqvarna FS 450 weigh?
The 2018 Husqvarna FS 450 weighs 110 kg. This is the manufacturer's dry figure.
What is the fuel tank capacity of the 2018 Husqvarna FS 450?
The 2018 Husqvarna FS 450 has a 9.50-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 158-190 km between stops.
Is the 2018 Husqvarna FS 450 suitable for shorter riders?
The 2018 Husqvarna FS 450 has a seat height of 927 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 2018 Husqvarna FS 450 have?
The 2018 Husqvarna FS 450 uses Single disc. Brembo four-piston radial fixed calliper at the front and Single disc. Brembo single-piston floating calliper at the rear.
What tyre sizes does the 2018 Husqvarna FS 450 use?
The 2018 Husqvarna FS 450 runs 90/90-17 front and 140/90-17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What fuel system does the 2018 Husqvarna FS 450 use?
The 2018 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
110 kg / 242.5 lbs
Fuel Capacity
9.50 litres / 2.51 gallons
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Full 2018 Husqvarna FS 450 Specifications
Colours
Blue/yellow/white
Warranty
2 Years
Ground Clearance (in.)
11.4 inches
Ground Clearance (mm)
290 mm
Seat Height
927 mm / 36.5 in.
Wheelbase
1,475 mm / 58.1 in.
Length
2,260 mm / 89.0 in.
Dry Weight
110 kg / 242.5 lbs
Fuel Capacity
9.50 litres / 2.51 gallons
Bore x Stroke (in,)
3.7 x 2.5 inches
Bore x Stroke (mm)
95.0 x 63.4 mm
Displacement (cc)
449.30 cc
Displacement (ci)
27.42 cubic inches
Engine Type
Single cylinder, four-stroke
Fuel Control
Single Overhead Cams (SOHC)
Fuel System
Carburettor
Ignition
Keihin EMS
Starter
Electric
Clutch
APTC(TM) slipper clutch, hydraulically actuated
Final Drive
Chain
Gearbox
6-speed
Primary Drive
5/8 x 1/4 in. chain
Frame Type
Chrome-molybdenum steel tubular space frame, powder-coated
Suspension - Front
WP-USD, AER 48, ? 48 mm
Suspension - Rear
WP shock absorber with linkage
Rake
26.5°
Wheel Travel - Front
285 mm / 11.2 in.
Wheel Travel - Rear
266 mm / 10.5 in.
Brakes - Front Diameter (in.)
12.2 inches
Brakes - Front Diameter (mm)
310 mm
Brakes - Rear Diameter (in.)
10.5 inches
Brakes - Rear Diameter (mm)
266 mm
Brakes - Front
Single disc. Brembo four-piston radial fixed calliper
Brakes - Rear
Single disc. Brembo single-piston floating calliper
Tyres - Front
90/90-17
Tyres - Rear
140/90-17
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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