[JayJay]

So the same button-headed pin is used to connect the clutch actuating arm to the adjustable link, and a similar application is the clevis in the clutch pedal. I lube the clevis in the clutch pedal, but haven't (probably by habit more than analytical thinking) lubed the clevis between the adjustable link and the clutch actuating arm. Interesting discussion.

Be careful with "dry lube". While it goes on as liquid and then "dries" after application, it will build up into a hard waxy goo that is quite difficult to remove. "Dry lube" is used quite often to lubricate bicycle chains, and after a while the buildup of the goo is very noticable on the sprockets, so much so that you have to dismount the sprockets and soak them in solvent to get them clean. They shift oh so much smoother after that.