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How to replace the spark plug on the KTM Adventure 390

Model: Ktm Adventure 390
Part: Spark plugs

Video tutorial

These brief and simple instructions will show you how to remove and replace the spark plug of the engine on the KTM Adventure 390 motorcycle. First, place the bike on the centre stand and start by removing the rider's seat and the plastic side panels of the tank; then remove the tank cover to access the top of the cylinder head, as shown in the video.

At this point, disconnect the spark plug's electrical connector, using a socket wrench with an extension to remove it and replace it with the new one; screw in the new spark plug by hand and then tighten it with a spanner!


Updated on 7 October 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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