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How to Replace the Spark Plug of the Kymco Xciting S400

Model: (Various brands) Various
Part: Spark plugs

Although replacing the spark plug of the Kymco Xciting S400 may seem like a lengthy task to do on your own, the process, while laborious, is very satisfying when done by yourself. The first step is to remove the seat, battery cover, and central tunnel, as shown in the video tutorial. The second step is to insert a 16 mm socket and, using a jack, unscrew the spark plug. The third step is to insert the new spark plug and tighten it to 12 Nm. Test the spark plug's proper functioning and complete the fourth and final step by reassembling all previously removed parts.

Updated on 30 August 2026 by ScegliAuto

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