Originally Posted by ElMartillo
The only flaw in that theory is the second time it happened the bike was completely dry, and had been ridden earlier in the day for 100+ miles (a detail I admittedly neglected to mention).
My 1100 did pretty much the exact same thing right after I got it (used). Within a week it never happened again. I have never had trouble riding in the rain, but I have not washed the bike since.