Try unscrewing the gas cap a bit. I don't ride in rain much but during one particularly fun and very wet ride there were two of us that had a vapor lock situation. Bikes would not start till we unscrewed the gas caps...waited a minute then fired right back up.
Since your issue is only when riding in rain its worth a shot.
But from what I read having a CDI to try would be my next option.
Good luck to you!
SOLD: 07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
NEW: 19 Goldwing Tour DCT
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