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i bet that is it! i did put a decent amount or pure-silicone caulk on the wire-entry per @jgmo comment at the time i was doing it, so would be surprised if there is egress inside the housing. looking at the rust right under that bolt-head though - the crush tubes would make a ton of sense...Maybe the 4 motor casing crush tubes aren't s/steel?
uh oh... did not know that. i used Flex Seal - it's a super bomber roofing caulk that I use on metal roofing. don't recall a vinegar smell - so hopefully it doesn't do damage...I hope that "silicone" you used didn't smell like vinegar though. That type is death to electrical components.
Well, the fatter (how much?) Oring could very well have been a factor. It does look as if the housing was in a bind via the mount flange..I actually thought "over torqued" when I first saw the photo before reading your comment about how you tightened it down.
Either oring was wrongly included by a factory worker...it happens...
...OR it was a change API made to seat THEIR housing.
You have no way of finding out except to ask them really.
If they are going to warranty it for you, they may be interested in getting it back to do a failure analysis.
What a PAIN!
BUT...
...you've handled it well IMO.
Thanks. Already swapped - was able to salvage a used one from friends dead 225. New API motor sent back for warranty claim … although I don’t think I’d trust it again.If you have not replaced it already, I have an oem used tilt/trim unit available from my 200 hp. Glad to see Chawk and jgmo! I hadn't been here in a while since I bought my suzuki's