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In this brief and simple guide, follow the instructions to remove and replace the spark plug of the Yamaha Xmax 250 scooter engine. First, place your scooter on the centre stand and open the under-seat compartment by unscrewing the fixing screws to access the top of the engine, as shown in the video. At this point, disconnect the spark plug cap and use a socket wrench with an extension to unscrew and remove the spark plug, replacing it with a new one (of the correct type and with the same thread), and reassemble the under-seat compartment!

Updated on 30 June 2026 by ScegliAuto

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To replace the coolant in the Piaggio Medley 125, loosen the screws securing the side grille of the scooter to remove it and access the radiator underneath. At the base of the radiator, locate the drain plug, which must be unscrewed to allow the coolant to flow into a suitably positioned container. Next, open the under-seat compartment and locate the coolant refill cap: by opening this cap, you can insert the new coolant.

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