Using this oil filler plug is a breeze. First, make sure your motorcycle's engine is cool. Remove the old oil filler plug carefully. Then, take your new AS3 aluminium oil filler plug and screw it in tightly by hand. You can use a tool to tighten it further if needed, but be careful not to over - tighten. Regarding the locking wire, if you choose to use it, thread it through the pre - drilled holes in the hex head. As for maintenance, periodically check the plug for any signs of damage or looseness. Wipe it clean with a soft cloth during oil changes. If the rubber o - ring shows signs of wear, replace it promptly. Keep your motorcycle running smoothly with this high - quality oil filler plug.