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How to Remove and Replace the Spark Plug on the KTM Duke 390

Model: Ktm Duke 390
Part: Spark plugs

Video tutorial

Today, you will learn the procedure for removing and replacing the engine spark plug on the KTM Duke 390 in simple and quick steps. First, place the motorcycle on a stand and begin by removing the spark plug connector; then use the appropriate socket wrench (with an extension if necessary) to unscrew and remove the spark plug from the cylinder head, as shown in the video.

Now, install the new spark plug by hand and then tighten it gently; finally, reconnect the spark plug connector, ensuring the engine starts correctly!


Updated on 4 November 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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