The water may have caused a short circuit across the battery terminals. It is possible you fried some electronics. Going to have to get it diagnosed by the professionals or get your hands on a multi meter and start measuring.
My FX140 is one of my hobbies.
My postings are personal opinion.
My opinion's are not professional advice.
Jet ski owner - rider - maintenance - 17yrs.
2002 Yamaha Cruiser FX140. 1000cc.
2017 Lowes Stryker 16. Mercury 50hp
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