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Frequently asked questions about cars and motorcycles

Replacing the Spark Plug on the Benelli TNT 125

Model: Benelli Tnt 125
Part: Spark plugs

Video tutorial

In this video, you will see the main instructions for removing and replacing the engine spark plug on the Benelli TNT 125, in simple steps. First, remove the passenger and rider seat; then unscrew the screws of the side plastics to remove them, and the fixing screws of the fuel tank, as shown in the video.

Remove the fuel tank to access the cylinder head; now remove the cap and use a socket wrench with an extension to unscrew and remove the spark plug, replacing it with the new one (of the correct type)!


Updated on 21 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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