I had that once with my left coil getting soaked and shutting off. Liberal dose of WD-40 got me going. Dielectric greased everything once I got home. Nary a hiccup since and that was at least 4 years ago, maybe 6. I rode in a torrential downpour this past Sunday with no ill effects.

"The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane." - Marcus Aurelius Antoninus Augustus