I'd like to change my own oil and followed the manual and had everything off the scooter except the center left of the large panel, which is secured by I-don't-know-what. If I pull and it's a screw... I have a big bill on my hands. If there is a screw I don't see it. Again, it's the left side of the left large panel near the oil tank. All other parts removed. Something is holding it to the bike.