The stalks and the hazard pushbutton are not weatherproof. In the end you have to replace them.
Clean the brakes regularly (two-weekly) with the pressure washer. Remove the wheels two times a year and overhaul the brakes by removing all the sludge which does bind the brake pads in their travel around the guiding pins. Clean the surface of the brakecylinder too. It helps.
The ride will be softer by exchanging the rubbers. Search for it. But as said, when you don't change a thing you'll get used to it.
The ride will be a lot softer by removing the stabilizers. But at the same time you enter the illegal zone.
And Sir Stirling Moss made the shocks of his T stiffer, not weaker.