2023 KTM 350 SX-F Specifications

Name: 2023 KTM 350 SX-F
Brand: KTM

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2023 KTM 350 SX-F Overview

The 2023 KTM 350 SX-F is a cross / motocross 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. The bore and stroke measures 88 x 57.5 mm. From a practical standpoint, the 2023 350 SX-F tips the scales at 99.5 kg, carries a 7.20-litre fuel tank and offers a seat height of 958 mm. Scroll down for the complete 2023 KTM 350 SX-F spec sheet covering every technical detail from suspension travel to tyre sizes.

2023 350 SX-F - Pros & Cons

Strengths

Fuel injection: The fuel injection injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.

Considerations

Tall seat height: The 958 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.

Owner Experiences & Common Issues

Throttle response and fuelling

The fuel injection on the 2023 KTM 350 SX-F is generally well-regarded. Some owners note a slight hesitation at small throttle openings when cold, which clears once the engine reaches operating temperature. A quick visual check of the injector connectors during routine servicing is good practice on higher-mileage examples.

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.

350 SX-F - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2023 KTM 350 SX-F, 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 350 SX-F 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 350 SX-F. 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.

Fuel system care

The 350 SX-F's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.

Valve clearance service

Check that valve clearances have been adjusted at the correct intervals on any used 350 SX-F. 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 KTM 350 SX-F - Frequently Asked Questions

What engine does the 2023 KTM 350 SX-F have?

The 2023 KTM 350 SX-F uses a Single cylinder, four-stroke engine with 349.7 cc of displacement.

How much does the 2023 KTM 350 SX-F weigh?

The 2023 KTM 350 SX-F weighs 99.5 kg. This is the manufacturer's dry figure.

What is the fuel tank capacity of the 2023 KTM 350 SX-F?

The 2023 KTM 350 SX-F has a 7.20-litre fuel tank.

Is the 2023 KTM 350 SX-F suitable for shorter riders?

The 2023 KTM 350 SX-F has a seat height of 958 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 KTM 350 SX-F have?

The 2023 KTM 350 SX-F uses Single disc at the front and Single disc at the rear.

What tyre sizes does the 2023 KTM 350 SX-F use?

The front tyre size on the 2023 KTM 350 SX-F is 1.6-21.

What fuel system does the 2023 KTM 350 SX-F use?

The 2023 KTM 350 SX-F uses Injection, providing precise fuelling across the rev range and reliable cold-start behaviour.

KTM 350 SX-F Spec Evolution

The KTM 350 SX-F was produced across 12 model years (2011-2023). 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	2011	2012	2013	2014	2015	2016	2017	2018	2019	2021	2022	2023
Wet Weight	104.0 kg / 229.3 lbs	292.1 kg / 643.9 lbs	-	112.0 kg / 246.9 lbs	-	-	-	-	-	-	-	-
Dry Weight	103.9 kg / 229.1 lbs	105.4 kg / 232.4 lbs	104.8 kg / 231.0 lbs	104.9 kg / 231.3 lbs	104.9 kg / 231.3 lbs	99.7 kg / 219.8 lbs	99.8 kg / 220.0 lbs	99.8 kg / 220.0 lbs	99.5 kg / 219.4 lbs	99.5 kg / 219.4 lbs	99.5 kg / 219.4 lbs	99.5 kg / 219.4 lbs
Seat Height	992 mm / 39.1 in.	992 mm / 39.1 in.	992 mm / 39.1 in.	992 mm / 39.1 in.	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.	950 mm / 37.4 in.	950 mm / 37.4 in.	958 mm / 37.7 in.
Fuel Capacity	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	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	7.50 litres / 1.98 US gallons	7.20 litres / 1.90 US gallons
Ground Clearance (mm)	375 mm	375 mm	376 mm	376 mm	376 mm	370 mm	370 mm	370 mm	370 mm	370 mm	375 mm	343 mm
Ground Clearance (in.)	14.8 inches	14.8 inches	14.8 inches	14.8 inches	14.8 inches	14.6 inches	14.6 inches	14.6 inches	14.6 inches	14.6 inches	14.8 inches	13.5 inches
Fuel Control	DOHC	Single Overhead Cams (SOHC)	Single Overhead Cams (SOHC)	-	-	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	-	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Displacement (cc)	349.70 cc	349.70 cc	349.70 cc	349.70 cc	349.70 cc	349.70 cc	349.70 cc	349.70 cc	349.7 cc	349.7 cc	349.7 cc	349.7 cc