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2019 Husqvarna FC450 Overview
For 2019, Husqvarna offers the FC450 as a cross / motocross motorcycle with 449.9 cc on tap. The 2019 Husqvarna FC450 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 2019 FC450 tips the scales at 101 kg, carries a 7-litre fuel tank, offers a seat height of 950 mm and spans a 1485 mm wheelbase. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2019 Husqvarna FC450 spec sheet below.
2019 FC450 - Pros & Cons
Strengths
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Factory engineering: There's nothing exotic about the 2019 Husqvarna FC450'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 950 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-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 FC450 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 FC450'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 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, Ø 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 FC450 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 FC450's 101 kg kerb weight makes low-speed control noticeably less effort than on a heavier machine.
FC450 - Buying & Maintenance Guide
What to check before buying
A pre-purchase check on the 2019 Husqvarna FC450 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 FC450 settles to a smooth idle within seconds.
Oil and filter changes
Oil changes are the cheapest insurance you can buy for a FC450'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 FC450 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 FC450'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.
2019 Husqvarna FC450 - Frequently Asked Questions
What engine does the 2019 Husqvarna FC450 have?
The 2019 Husqvarna FC450 uses a Single cylinder, four-stroke engine with 449.9 cc of displacement.
How much does the 2019 Husqvarna FC450 weigh?
The 2019 Husqvarna FC450 weighs 101 kg. This is the manufacturer's dry figure.
What is the fuel tank capacity of the 2019 Husqvarna FC450?
The 2019 Husqvarna FC450 has a 7-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 116-140 km between stops.
Is the 2019 Husqvarna FC450 suitable for shorter riders?
The 2019 Husqvarna FC450 has a seat height of 950 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 2019 Husqvarna FC450 have?
The 2019 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 2019 Husqvarna FC450 use?
The front tyre size on the 2019 Husqvarna FC450 is 90/90-21.
What fuel system does the 2019 Husqvarna FC450 use?
The 2019 Husqvarna FC450 uses Carburettor, 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
Power
Not published by manufacturer
Torque
Not published by manufacturer
Top Speed
Not published by manufacturer
Weight
101 kg / 222.7 lbs
Fuel Capacity
7.00 litres / 1.85 US gallons
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Full 2019 Husqvarna FC450 Specifications
Colours
White/yellow/wblue
Ground Clearance (in.)
14.6 inches
Ground Clearance (mm)
370 mm
Seat Height
950 mm / 37.4 in.
Wheelbase
1485 mm / 58.5 in.
Dry Weight
101 kg / 222.7 lbs
Fuel Capacity
7.00 litres / 1.85 US gallons
Bore x Stroke (in,)
3.7 x 2.5 inches
Bore x Stroke (mm)
95.0 x 63.4 mm
Displacement (cc)
449.9 cc
Displacement (ci)
27.45 cubic inches
Engine Type
Single cylinder, four-stroke
Fuel Control
Single Overhead Cams (SOHC)
Fuel System
Carburettor
Ignition
Keihin EMS
Starter
Electric
Clutch
Wet, multi-disc clutch, Magura hydraulics
Final Drive
Chain (final drive)
Gearbox
5-speed
Primary Drive
520 X-Ring chain
Frame Type
25CrMo4 steel central-tube
Suspension - Front
WP-USD, AER 48, Ø 48 mm
Suspension - Rear
WP shock absorber with linkage
Rake
26.5°
Wheel Travel - Front
310 mm / 12.2 in.
Wheel Travel - Rear
300 mm / 11.8 in.
Brakes - Front
Single disc. Brembo twin-piston floating calliper
Brakes - Rear
Single disc. Brembo single-piston floating calliper
Tyres - Front
90/90-21
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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