2023 KTM 450 EXC-F Six Days Specifications

Name: 2023 KTM 450 EXC-F Six Days
Brand: KTM

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2023 KTM 450 EXC-F Six Days Overview

The 2023 KTM 450 EXC-F Six Days is an enduro / off-road motorcycle built around 449.9 cc of displacement. Under the tank sits a Single cylinder, four-stroke engine running Single Overhead Cams (SOHC) valve actuation. The bore and stroke measures 95 x 63.4 mm. From a practical standpoint, the 2023 450 EXC-F Six Days tips the scales at 106 kg, carries a 9.20-litre fuel tank and offers a seat height of 960 mm. Scroll down for the complete 2023 KTM 450 EXC-F Six Days spec sheet covering every technical detail from suspension travel to tyre sizes.

2023 450 EXC-F Six Days - 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 960 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 450 EXC-F Six Days 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

Single Overhead Cams (SOHC) 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.

450 EXC-F Six Days - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2023 KTM 450 EXC-F Six Days, 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 450 EXC-F Six Days 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 450 EXC-F Six Days. 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 450 EXC-F Six Days'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 450 EXC-F Six Days. 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 450 EXC-F Six Days - Frequently Asked Questions

What engine does the 2023 KTM 450 EXC-F Six Days have?

The 2023 KTM 450 EXC-F Six Days uses a Single cylinder, four-stroke engine with 449.9 cc of displacement.

How much does the 2023 KTM 450 EXC-F Six Days weigh?

The 2023 KTM 450 EXC-F Six Days weighs 106 kg. This is the manufacturer's dry figure.

What is the fuel tank capacity of the 2023 KTM 450 EXC-F Six Days?

The 2023 KTM 450 EXC-F Six Days has a 9.20-litre fuel tank.

Is the 2023 KTM 450 EXC-F Six Days suitable for shorter riders?

The 2023 KTM 450 EXC-F Six Days has a seat height of 960 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 450 EXC-F Six Days have?

The 2023 KTM 450 EXC-F Six Days uses Double disc at the front and Single disc. Brembo with single pistons at the rear.

What tyre sizes does the 2023 KTM 450 EXC-F Six Days use?

The front tyre size on the 2023 KTM 450 EXC-F Six Days is 1.60-21.

What fuel system does the 2023 KTM 450 EXC-F Six Days use?

The 2023 KTM 450 EXC-F Six Days uses Injection, providing precise fuelling across the rev range and reliable cold-start behaviour.

KTM 450 EXC-F Six Days Spec Evolution

The KTM 450 EXC-F Six Days was produced across 7 model years (2017-2023). 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	2017	2018	2019	2020	2021	2022	2023
Dry Weight	106.5 kg / 234.8 lbs	107 kg / 235.9 lbs	106 kg / 233.7 lbs	106 kg / 233.7 lbs	106 kg / 233.7 lbs	106 kg / 233.7 lbs	106 kg / 233.7 lbs
Engine Detail	Two titanium intake valves plus two steel exhaust valves	Two titanium intake valves plus two steel exhaust valves	Two titanium intake valves plus two steel exhaust valves	-	-	-	-
Fuel Capacity	8.50 litres / 2.25 gallons	8.50 litres / 2.25 gallons	8.50 litres / 2.25 US gallons	9.00 litres / 2.38 US gallons	9.20 litres / 2.43 US gallons	9.20 litres / 2.43 US gallons	9.20 litres / 2.43 US gallons
Displacement (cc)	449.30 cc	449.30 cc	449.3 cc	449.9 cc	449.9 cc	449.9 cc	449.9 cc
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
Brakes - Front Diameter (in.)	10.2 inches	10.2 inches	-	-	-	-	-
Brakes - Front Diameter (mm)	260 mm	260 mm	-	-	-	-	-
Brakes - Rear Diameter (in.)	8.7 inches	8.7 inches	-	-	-	-	-