Everything I've read says either not to use any, or use a tiny amount. If you use a tiny amount, it literally means throwing out the applicator, putting some on some cardboard, and using a paintbrush to put as little as you possibly can on.
Lots of warnings against using any gasket sealer at all on the other cb 750 sites.
1981 CB750K with 900 cams
90K KM's, rebuilt head, rebuilt carbs, upgraded valve stem seals
My wife's recipe website that I'm trying to help promote:
Strawberries for supper. Yes, I am a lucky man.