Squeeze,
I am for 12 too, but I suspect there may be a possible problem with the starter. I have a 55.1 that is 12 volt. It had a 6 volt starter when I first got it. I had a problem with the starter not disengaging when the engine started. I replaced the solenoid thinking this would cure it. Well it didn't. I remembered the old solenoid had some burnt spots like spot welds on the copper contact washer inside. I heard that laying on the 6 volt horn with 12 volt juice. So I suspected the same can happen to a solenoid. I put on a 12 volt starter. So far so good. - Scott
