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Model: Ktm Duke 125
Part: Spark plugs

In this video, let's see how to remove and replace the spark plug on a KTM Duke 125 and 390, following the instructions below. First, remove the spark plug cap by accessing it inside the trellis frame; then, using a socket wrench with an extension, unscrew the spark plug from the engine. Once removed, replace it with the correct new one; now screw in the spark plug by hand first, then tighten it with the wrench, as shown in the video. Finally, reconnect the cap to complete the replacement!

Updated on 5 April 2026 by ScegliAuto

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by ScegliAuto

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