TAKE A BREATH!!!
1) It does sound like a sticking float valve. Or a bad valve tip. (it's rubber, it dries out & cracks)
2) Different filter is available. Better? That's a personal opinion. (four holes good, no holes bad, engine can die with wrong filter)
3) Jimbo sells the Jimbo windshields. There is a "sticky" thread in the Classifieds forum.
4) There are links to PDF versions of the Service Manuals in Technical Help forum.