Probably coolant from one of rubber plugs in the head, I have had this happen a few times it drips behind the cover and collects on the middle gear case.
On the thread below I posted a step by step how to check your system (4th post down), the thread also has several good comments.
http://www.venturerider.org/forum/showthread.php?t=80160
Here is the link for checking the floats it focuses mainly on checking them off the bike but it may help:
http://www.venturerider.org/forum/showthread.php?t=24246
Had an issue this winter where there was corrosion around the fuse and they would go in and out was why I had asked about the fuse. If it was the ignition switch other things should blink also and the engine might cut out too.
Buckeye said send it back to them and they are going to have it factory tested to see if they can help pinpoint the cause also in 4 years of selling this model mine have been the only ones to fail.