The Seafoam may make you and Bill feel better, but is unlikely to do anything else useful. Especially if the bike ran for a day or so, I doubt carburetor problems. I still think it is a bad battery. That a battery is charged until it bubbles does not mean it actually has the capacity to start the engine. Either jump start it using your car battery or a trolling motor battery, or install a KNOWN GOOD BATTERY. Then use your voltmeter to see if the charging system is working.