Stop playing on my phobias.
Think I'll just ride it.
Me!! Nah!
Seriously. Taken from a Guzzi site:-
"The front engine mounting bolt is apt to lock solid with corrosion due to all the spray chucked onto it by the front tyre. At yearly intervals, make sure you can loosen this bolt; soak with anti-sieze solvent as necessary and then lubricate with engine oil or grease before retightening."