If it were me, I would remove the top fuel tank and set it safely aside. Then I'd carefully lift all wiring from under the rider seat, including ECU and its tray, rag-wipe everything while lifting. Notice extent of fuel contamination. Disconnect and remove the battery, clean it too, then wipe-out the battery box and clean the little drain hole. Next, lift out the relay rack in the right-side of the battery box, clean, and clean the little drain hole on that side of the box. There is a pdf attached here showing how to lift the relay rack out of the battery box:
I've been dutifully working on the problem of fast-flashing turn signals after replacing incandescent's with LED's. I promised to document how to remove the pesky turn signal relay next time I'm in there, so the purpose of this post is just to illustrate how to get to the flasher. This post is...
www.rswarrior.com
Then identify what all the extra wires do.
Then replace the fuel dry break screw clamps with crimps. Replace any damaged fuel hose.
BE GENTLE WHEN WORKING ON TOP OF THE UNDERSEAT AUXILIARY FUEL TANK. THE PLASTIC NIPPLES FOR THE FUEL LINES ARE DELICATE AND HAVE BROKEN IN THE PAST. YOU WANT TO AVOID THAT. ALSO, BE CAREFUL WHAT WIRING AND DEVICES YOU SET ON TOP OF THE UNDERSEAT FUEL TANK FOR THIS SAME REASON.