Do it yourself
Frequently asked questions about cars and motorcycles
In this video tutorial, you will see the steps to remove the valve cover from the cylinder head on a Moto Guzzi V9. First, gather a Torx screwdriver and start by unscrewing the fixing screws located at the back of the cover; then remove the front screws and subsequently the small cover, as shown in the video. At this point, remove the spark plug cap and unscrew the spark plug itself using a socket wrench; finally, use a very thin plastic lever to remove the valve cover!

Updated on 17 April 2026 by ScegliAuto

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How to Replace the Coolant in the Piaggio Medley 125?

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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