Judging by the silence since your post of 10 Aug NOBODY KNOWS! I sure don't and could only guess. Your effort with the fans paid off. But the problem lurks.....I have two Kymco's now (DT300i and wifey's Like) have had a Yager 200i. ALL of them have been Gunked inside and out and hosed off, recently with a handy pressure washer (low powered thing, electric from WalMart, Karcher, I think) and NONE of them have reacted adversely, sort of like any Honda! You got a problem and I am GUESSING it is in the instrument panel. Drop the other shoe soon and let us all know what you find. Don't bother with any dealer since none of them would be interested or even qualified to find and fix the problem.
Karl