Sounds typical of California dealers, I got a Tank scooter from Rabbit Scooters (.com) in 2007. They were the worst. I had a lemon and they knew and would do NOTHING to rectify the situation. When I started talking warranty and lawyers things changed dramatically.
If you have a warranty they have to fix everything as if it were like it were brand spanking perfectly new, and until they do they are in breach of contract. If you are in walking distance of them bring large men with and make ALOT of noise.