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How to Replace the Spark Plug on the Husqvarna FC 250

Model: Husqvarna Fc 250
Part: Spark plugs

Video tutorial

This guide shows you how to remove and replace the spark plug on the engine of the Husqvarna FC 250 enduro bike, as well as the FC 350. First, remove the rider's seat, disconnecting the various wiring located at the top of the cylinder head; then disconnect the spark plug's electrical connector, using a socket spanner with an extension to unscrew and remove the spark plug, as shown in the video.

At this point, install the new spark plug, ensuring it is the correct type and has the same thread pitch; screw it in by hand and then tighten gently with a spanner, following the video tutorial to the end!


Updated on 11 September 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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