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To replace the spark plug on the Sym Joymax 250, loosen the screws securing the left side panel of the scooter, located just above the footwell. Once the panel is removed, you will have access to the underlying components, including the spark plug itself. Remove the spark plug from its housing using a suitable socket wrench. After the spark plug has been removed, insert the new one and reinstall the corresponding panel.

Updated on 17 May 2026 by ScegliAuto

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