I have just purchased a 1981 Honda CM400E. I went to drain the oil today, but found a hitch. In my manual, it shows a bolt to be loosened for draining. But under mine, there is no bolt except for the one that attaches the oil filter cover to the engine. Instead, where the bolt is shown in my manual picture, there are two indentations, each with an odd thing inside that looks like an inverted slot screw head. I have attached some pictures (One from the manual and one from the bike). can anyone tell if these are the drain plugs and if so, how do I get them out. I don't want to just use pliers, as I am afraid of stripping it. Any help would be appreciated.
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