Quote:

I tested battery voltage and it reads 12.7 but drops to zero when I turn the key on.



A fully charged battery with no load should read in the neighborhood of 13.5 V. You have either a bad battery or a defective charging system. My suggestion is to put a charger on the battery for 12-24 hours. If it doesn't turn the bike over after that, it's toast.

Jack

'08 America Blue/White; Custom Headlamps, Custom Lowers, Clearview 20", Bafflectomy