Stator, rectifier, bad ground somewhere, Batt going bad, etc. Also, I would pull apart your kill switch and check it, Im not sure how the busas are but i had a faulty one about 3 weeks ago and I was getting all sorts of weird shit happening.
Hell, they probably dont care if you wad it or not.. The people that rode them signed the agreement stating they are responsible for up to the full value of the bike.
Have fun with that.. Most notaries will want to see both parties sign.. Our admin here at the office is a notary and she did my cough uhm "Paperwork" recently Giggity.
It has a twist throttle like a bike does only its on the vertical grip.. To steer it, you push forward or pull backward like you would with a bobcat or dozer style steering.. Pretty cool and yeah I want one.