2023 Husqvarna FX 350 Heritage Specifications

Name: 2023 Husqvarna FX 350 Heritage
Brand: Husqvarna

Enduro / Off-Road • Specs last verified 13 July 2026

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2023 Husqvarna FX 350 Heritage Overview

The 2023 Husqvarna FX 350 Heritage is an enduro / off-road motorcycle built around 349.7 cc of displacement. Under the tank sits a Single cylinder, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 11.1:1. The bore and stroke measures 88 x 57.5 mm. From a practical standpoint, the 2023 FX 350 Heritage tips the scales at 102.7 kg, carries a 8.50-litre fuel tank, offers a seat height of 950 mm and spans a 1482 mm wheelbase. That's roughly 96.1 kg lighter than the average enduro / off-road motorcycle in our database. Scroll down for the complete 2023 Husqvarna FX 350 Heritage spec sheet covering every technical detail from suspension travel to tyre sizes.

2023 FX 350 Heritage - Pros & Cons

Strengths

Factory engineering: The 2023 Husqvarna FX 350 Heritage represents Husqvarna's engineering at the time, with a specification built around real-world usability.

Considerations

Carburetor fuelling: Carbureted engines need occasional jetting attention and can be reluctant in cold weather or at altitude compared to modern fuel-injected alternatives.
Tall seat height: The 950 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Modest fuel capacity: The 8.50-litre tank means more frequent fuel stops on longer rides, which is worth planning around on touring routes.
Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.

Wear Points & Servicing Notes

Carburetor maintenance

The FX 350 Heritage uses carburetion rather than fuel injection, which means jetting is altitude- and temperature-sensitive and benefits from a clean-and-rejet after extended storage or an exhaust change.

Valve clearance checks

Double Overhead Cams/Twin Cam (DOHC) valve actuation on the FX 350 Heritage means clearances should be checked at the manufacturer's specified interval - they can tighten as mileage accumulates, and a light top-end tick is usually the first sign.

Brake disc and pad wear

The Single disc front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.

Suspension condition on used examples

Up front, the FX 350 Heritage runs WP XACT-USD, Ø 48 mm and WP XACT Monoshock with linkage at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.

Final drive maintenance

Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.

Frame & chassis check

The frame is Central double-cradle-type 25CrMo4 steel - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.

Low-speed handling

At just 102.7 kg, the FX 350 Heritage is light enough to manhandle easily at a standstill - one of the practical advantages of its class.

FX 350 Heritage - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2023 Husqvarna FX 350 Heritage, 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 FX 350 Heritage 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 FX 350 Heritage. 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 FX 350 Heritage 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 FX 350 Heritage. A bike with clearances out of spec doesn't always feel obviously wrong - but tight clearances accelerate valve seat wear. Ask for service documentation proving it's been done.

2023 Husqvarna FX 350 Heritage - Frequently Asked Questions

What engine does the 2023 Husqvarna FX 350 Heritage have?

The 2023 Husqvarna FX 350 Heritage uses a Single cylinder, four-stroke engine with 349.7 cc of displacement.

How much does the 2023 Husqvarna FX 350 Heritage weigh?

The 2023 Husqvarna FX 350 Heritage weighs 102.7 kg. This is the manufacturer's dry figure.

What is the fuel tank capacity of the 2023 Husqvarna FX 350 Heritage?

The 2023 Husqvarna FX 350 Heritage has a 8.50-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 141-170 km between stops.

Is the 2023 Husqvarna FX 350 Heritage suitable for shorter riders?

The 2023 Husqvarna FX 350 Heritage 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 2023 Husqvarna FX 350 Heritage have?

The 2023 Husqvarna FX 350 Heritage uses Single disc at the front and Single disc at the rear.

What tyre sizes does the 2023 Husqvarna FX 350 Heritage use?

The front tyre size on the 2023 Husqvarna FX 350 Heritage is 90/90-21.

What fuel system does the 2023 Husqvarna FX 350 Heritage use?

The 2023 Husqvarna FX 350 Heritage uses Carburettor, providing precise fuelling across the rev range and reliable cold-start behaviour.

Key Specifications

Engine

Single cylinder, four-stroke

Power

Not published by manufacturer

Torque

Not published by manufacturer

Top Speed

Not published by manufacturer

Weight

102.7 kg / 226.4 lbs

Fuel Capacity

8.50 litres / 2.25 US gallons

Full 2023 Husqvarna FX 350 Heritage Specifications

Comments 2 engine maps. Launch control. Traction control.

Colours White/blue/yellow

Ground Clearance (in.) 14.6 inches

Ground Clearance (mm) 370 mm

Seat Height 950 mm / 37.4 in.

Wheelbase 1482 mm / 58.3 in.

Dry Weight 102.7 kg / 226.4 lbs

Fuel Capacity 8.50 litres / 2.25 US gallons

Power-to-Weight Ratio 0.5648 HP/kg

Fuel Control Double Overhead Cams/Twin Cam (DOHC)

Engine Type Single cylinder, four-stroke

Displacement (ci) 21.34 cubic inches

Displacement (cc) 349.7 cc

Bore x Stroke (in,) 3.5 x 2.3 inches

Bore x Stroke (mm) 88.0 x 57.5 mm

Engine Detail Polished camshafts and DLC coated finger followers

Fuel System Carburettor

Compression Ratio 11.1:1

Ignition Keihin EMS

Starter Electric

Valve System 4

Clutch Wet, DDS multi-disc clutch, Brembo hydraulics

Final Drive Chain (final drive)

Gearbox 6-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 310 mm / 12.2 in.

Wheel Travel - Rear 300 mm / 11.8 in.

Brakes - Front Single disc

Brakes - Rear Single disc

Rims Excel rims, black. Dunlop tyres.

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.