[ducatiman]

on a 35 + YO bike...anything and everything fuel related maintenance should be "on the table". A safety factor involved as well.

In particular those ancient Mikuni's are going to require attention above and beyond just getting it to run.

I'm surmising.... but its highly unlikely.... the carbs have ever been "split"......the interconnecting fuel rail orings and seals are ancient, way beyond their intended service limits, were never intended to last a lifetime. Consider also the ancient throttle shaft seals on each carb. Pretty important stuff.

And those old Mic's are truly bitchy to split, been there numerous times.

Owners discretion going forward, of course, but "vintage" ownership comes at certain preventative investments.
Carbs and fuel related items (safety) certainly apply.

Here's an example of rail seals from 24 year old Ducati/Mikuni carbs....