Motorcycle Gas Cap Removal . Most times there is a small vent hole in the gas cap. As for WD40it is water soluable so it will wash away but it leaves a varnish like film.
Removal of gas cap w no key 1985 Honda VT500. If you prefer not to continue with the process we shall return your tank immediately. Call the dealer in.
WD 40 Professional is a better choice.
If the cap is screwed down you want to unscrew it before prying it using a flat screwdriver. Drill into the gas cap at an angle through the tumbler body where the key fits on the inside and out the bottom of the cap inside the tank. Here is how to save the key and cap. Does anyone have any advice on how to remove the notched nail to install the new gasket with a screw.