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Replacing the Spark Plug of the Benelli TNT 125

Model: Benelli Tnt 125
Part: Spark plugs

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In this brief and simple guide, follow the steps to remove and replace the spark plug of the Benelli TNT 125 motorcycle. First, place your motorcycle on the stand and disconnect the spark plug connector located on the right side.

Then, use a socket spanner with an extension to unscrew and remove the spark plug, as shown in the video. Now, install the new spark plug of the correct type with the same thread, screwing it in by hand and tightening gently; reconnect the electrical cable and start the engine of your motorcycle!


Updated on 8 July 2026 by ScegliAuto


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by ScegliAuto

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