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How to Replace the Spark Plug on a Gilera DNA 125?

Model: Gilera Dna 125
Part: Spark plugs

Video tutorial

To replace the spark plug on the Gilera DNA 125, disconnect the corresponding coil: these two parts will be located above the engine cylinder and accessible from the right side of the vehicle. Once the ignition coil has been disconnected, you can locate the spark plug underneath, which can be removed from its seat using a spark plug socket.

After removing the old spark plug, insert the new one into its seat, reconnect it to the coil, and check that everything is functioning correctly.


Updated on 22 September 2026 by ScegliAuto


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Removing and Replacing the Battery of the Harley Davidson Iron 883

In this video, follow the instructions to remove and replace the battery of the Harley Davidson Iron 883. First, place your motorcycle on the stand and remove the rider's seat. Next, disconnect the electrical connector located on the side and undo the fixing screw of the battery bracket using a socket spanner with an extension, as shown in the video. At this point, disconnect the battery wiring to remove it and replace it with the new one, applying the reverse procedure!

Watch the video!


by ScegliAuto

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