2023 Husqvarna FX 350 Heritage Specifications

Name: 2023 Husqvarna FX 350 Heritage
Brand: Husqvarna

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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. 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.

Owner Experiences & Common Issues

Carburetor maintenance

Carburetors on the 2023 Husqvarna FX 350 Heritage 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

Double Overhead Cams/Twin Cam (DOHC) 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.

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. 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 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.

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

N/A

Torque

N/A

Top Speed

N/A

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

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